hugolib: Make .Render take an optional context argument

The signature is now PAGE.Render VIEW [CONTEXT], mirroring the partial API:
The first argument is always the view name, and if CONTEXT is given, it
replaces the Page as the template's data context.

Closes #15077

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

.circleci/config.yml

@@ -4,7 +4,7 @@ parameters:
 defaults: &defaults
   resource_class: large
   docker:
-      - image: bepsays/ci-hugoreleaser:1.22600.20300
+      - image: bepsays/ci-hugoreleaser:1.22700.20000
 environment: &buildenv
       GOMODCACHE: /root/project/gomodcache
 version: 2
@@ -58,7 +58,7 @@ jobs:
     environment:
         <<: [*buildenv]
     docker:
-    - image: bepsays/ci-hugoreleaser-linux-arm64:1.22600.20300
+    - image: bepsays/ci-hugoreleaser-linux-arm64:1.22700.20000
     steps:
       - *restore-cache
       - &attach-workspace

.gemini/config.yaml

@@ -1,13 +0,0 @@
-have_fun: false
-memory_config:
-  disabled: false
-code_review:
-  disable: false
-  comment_severity_threshold: HIGH
-  max_review_comments: -1
-  pull_request_opened:
-    help: true
-    summary: false
-    code_review: false
-    include_drafts: false
-ignore_patterns: []

.github/workflows/test.yml

@@ -16,7 +16,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.26.x]
+        go-version: [1.27.x]
         os: [ubuntu-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -51,6 +51,7 @@ jobs:
         run: |
           gem install asciidoctor -v "2.0.26"
           gem install asciidoctor-diagram -v "3.1.0"
+          gem install asciidoctor-html5s -v "0.5.1"
       - name: Install GoAT
         run: go install github.com/blampe/goat/cmd/goat@177de93b192b8ffae608e5d9ec421cc99bf68402
       - name: Install Python

.gitignore

@@ -5,4 +5,5 @@ dist/
 public/
 .DS_Store 
 cache/filecache/_gen/
-.claude/
+.claude/
+dump.txt

Dockerfile

@@ -2,8 +2,8 @@
 # Twitter:      https://twitter.com/gohugoio
 # Website:      https://gohugo.io/
 
-ARG GO_VERSION="1.26"
-ARG ALPINE_VERSION="3.22"
+ARG GO_VERSION="1.27"
+ARG ALPINE_VERSION="3.24"
 ARG DART_SASS_VERSION="1.79.3"
 
 FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.5.0 AS xx

README.md

@@ -37,7 +37,6 @@ A fast and flexible static site generator built with love by [bep][], [spf13][],
 
 [![GoDoc](https://godoc.org/github.com/gohugoio/hugo?status.svg)](https://godoc.org/github.com/gohugoio/hugo)
 [![Tests on Linux, MacOS and Windows](https://github.com/gohugoio/hugo/workflows/Test/badge.svg)](https://github.com/gohugoio/hugo/actions?query=workflow%3ATest)
-[![Go Report Card](https://goreportcard.com/badge/github.com/gohugoio/hugo)](https://goreportcard.com/report/github.com/gohugoio/hugo)
 
 [Website][] | [Installation][] | [Documentation][] | [Support][] | [Contributing][] | <a rel="me" href="https://fosstodon.org/@gohugoio">Mastodon</a>
 
@@ -139,10 +138,6 @@ To build and install the extended/deploy edition, first install a C compiler suc
 CGO_ENABLED=1 go install -tags extended,withdeploy github.com/gohugoio/hugo@latest
 ```
 
-## Star History
-
-[![Star History Chart](https://api.star-history.com/svg?repos=gohugoio/hugo&type=Timeline)](https://star-history.com/#gohugoio/hugo&Timeline)
-
 ## Documentation
 
 Hugo's [documentation][] includes installation instructions, a quick start guide, conceptual explanations, reference information, and examples.
@@ -195,10 +190,48 @@ Hugo stands on the shoulders of great open source libraries. Run `hugo env --log
 <summary>See current dependencies</summary>
 
 ```text
+cel.dev/expr="v0.25.1"
+cloud.google.com/go/auth/oauth2adapt="v0.2.8"
+cloud.google.com/go/auth="v0.20.0"
+cloud.google.com/go/compute/metadata="v0.9.0"
+cloud.google.com/go/iam="v1.5.3"
+cloud.google.com/go/monitoring="v1.24.3"
+cloud.google.com/go/storage="v1.57.2"
+cloud.google.com/go="v0.123.0"
+github.com/Azure/azure-sdk-for-go/sdk/azcore="v1.20.0"
+github.com/Azure/azure-sdk-for-go/sdk/azidentity="v1.13.1"
+github.com/Azure/azure-sdk-for-go/sdk/internal="v1.11.2"
+github.com/Azure/azure-sdk-for-go/sdk/storage/azblob="v1.6.3"
+github.com/Azure/go-autorest/autorest/to="v0.4.1"
+github.com/AzureAD/microsoft-authentication-library-for-go="v1.6.0"
 github.com/BurntSushi/locker="v0.0.0-20171006230638-a6e239ea1c69"
-github.com/JohannesKaufmann/dom="v0.2.0"
-github.com/JohannesKaufmann/html-to-markdown/v2="v2.5.0"
-github.com/alecthomas/chroma/v2="v2.21.1"
+github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp="v1.31.0"
+github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric="v0.54.0"
+github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping="v0.54.0"
+github.com/JohannesKaufmann/dom="v0.3.1"
+github.com/JohannesKaufmann/html-to-markdown/v2="v2.5.2"
+github.com/alecthomas/chroma/v2="v2.27.0"
+github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream="v1.7.8"
+github.com/aws/aws-sdk-go-v2/config="v1.32.2"
+github.com/aws/aws-sdk-go-v2/credentials="v1.19.2"
+github.com/aws/aws-sdk-go-v2/feature/ec2/imds="v1.18.14"
+github.com/aws/aws-sdk-go-v2/feature/s3/manager="v1.20.12"
+github.com/aws/aws-sdk-go-v2/internal/configsources="v1.4.22"
+github.com/aws/aws-sdk-go-v2/internal/endpoints/v2="v2.7.22"
+github.com/aws/aws-sdk-go-v2/internal/ini="v1.8.4"
+github.com/aws/aws-sdk-go-v2/internal/v4a="v1.4.22"
+github.com/aws/aws-sdk-go-v2/service/cloudfront="v1.61.1"
+github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding="v1.13.7"
+github.com/aws/aws-sdk-go-v2/service/internal/checksum="v1.9.13"
+github.com/aws/aws-sdk-go-v2/service/internal/presigned-url="v1.13.21"
+github.com/aws/aws-sdk-go-v2/service/internal/s3shared="v1.19.21"
+github.com/aws/aws-sdk-go-v2/service/s3="v1.97.3"
+github.com/aws/aws-sdk-go-v2/service/signin="v1.0.2"
+github.com/aws/aws-sdk-go-v2/service/sso="v1.30.5"
+github.com/aws/aws-sdk-go-v2/service/ssooidc="v1.35.10"
+github.com/aws/aws-sdk-go-v2/service/sts="v1.41.2"
+github.com/aws/aws-sdk-go-v2="v1.41.6"
+github.com/aws/smithy-go="v1.25.0"
 github.com/aymerick/douceur="v0.2.0"
 github.com/bep/clocks="v0.5.0"
 github.com/bep/debounce="v1.2.0"
@@ -206,105 +239,129 @@ github.com/bep/gitmap="v1.9.0"
 github.com/bep/goat="v0.5.0"
 github.com/bep/godartsass/v2="v2.5.0"
 github.com/bep/golibsass="v1.2.0"
-github.com/bep/goportabletext="v0.1.0"
-github.com/bep/helpers="v0.6.0"
-github.com/bep/imagemeta="v0.12.0"
-github.com/bep/lazycache="v0.8.0"
+github.com/bep/golocales="v0.2.0"
+github.com/bep/goportabletext="v0.2.0"
+github.com/bep/helpers="v0.12.0"
+github.com/bep/imagemeta="v0.17.2"
+github.com/bep/lazycache="v0.8.1"
 github.com/bep/logg="v0.4.0"
-github.com/bep/mclib="v1.20400.20402"
-github.com/bep/overlayfs="v0.10.0"
-github.com/bep/simplecobra="v0.6.1"
-github.com/bep/textandbinarywriter="v0.0.0-20251212174530-cd9f0732f60f"
-github.com/bep/tmc="v0.5.1"
-github.com/bits-and-blooms/bitset="v1.24.4"
+github.com/bep/mclib="v1.20401.20400"
+github.com/bep/overlayfs="v0.11.0"
+github.com/bep/simplecobra="v0.7.0"
+github.com/bep/textandbinarywriter="v0.1.0"
+github.com/bep/tmc="v0.6.0"
+github.com/bits-and-blooms/bitset="v1.24.5"
 github.com/cespare/xxhash/v2="v2.3.0"
 github.com/clbanning/mxj/v2="v2.7.0"
-github.com/clipperhouse/displaywidth="v0.6.0"
-github.com/clipperhouse/stringish="v0.1.1"
-github.com/clipperhouse/uax29/v2="v2.3.0"
+github.com/clipperhouse/displaywidth="v0.10.0"
+github.com/clipperhouse/uax29/v2="v2.6.0"
+github.com/cncf/xds/go="v0.0.0-20251210132809-ee656c7534f5"
 github.com/cpuguy83/go-md2man/v2="v2.0.6"
-github.com/disintegration/gift="v1.2.1"
-github.com/dlclark/regexp2="v1.11.5"
-github.com/evanw/esbuild="v0.27.2"
+github.com/dlclark/regexp2/v2="v2.2.1"
+github.com/dustin/go-humanize="v1.0.1"
+github.com/envoyproxy/go-control-plane/envoy="v1.36.0"
+github.com/envoyproxy/protoc-gen-validate="v1.3.0"
+github.com/evanw/esbuild="v0.28.1"
 github.com/fatih/color="v1.18.0"
+github.com/felixge/httpsnoop="v1.0.4"
 github.com/frankban/quicktest="v1.14.6"
 github.com/fsnotify/fsnotify="v1.9.0"
-github.com/getkin/kin-openapi="v0.133.0"
-github.com/go-openapi/jsonpointer="v0.21.0"
-github.com/go-openapi/swag="v0.23.0"
+github.com/getkin/kin-openapi="v0.140.0"
+github.com/go-jose/go-jose/v4="v4.1.4"
+github.com/go-logr/logr="v1.4.3"
+github.com/go-logr/stdr="v1.2.2"
+github.com/go-openapi/jsonpointer="v0.22.5"
+github.com/go-openapi/swag/jsonname="v0.25.5"
 github.com/gobuffalo/flect="v1.0.3"
 github.com/gobwas/glob="v0.2.3"
-github.com/goccy/go-yaml="v1.19.1"
+github.com/goccy/go-yaml="v1.19.2"
+github.com/gohugoio/gift="v0.2.0"
 github.com/gohugoio/go-i18n/v2="v2.1.3-0.20251018145728-cfcc22d823c6"
 github.com/gohugoio/go-radix="v1.2.0"
 github.com/gohugoio/hashstructure="v0.6.0"
 github.com/gohugoio/httpcache="v0.8.0"
-github.com/gohugoio/hugo-goldmark-extensions/extras="v0.5.0"
-github.com/gohugoio/hugo-goldmark-extensions/passthrough="v0.3.1"
-github.com/gohugoio/locales="v0.14.0"
-github.com/gohugoio/localescompressed="v1.0.1"
+github.com/gohugoio/hugo-goldmark-extensions/extras="v0.7.0"
+github.com/gohugoio/hugo-goldmark-extensions/passthrough="v0.5.0"
+github.com/golang-jwt/jwt/v5="v5.3.0"
 github.com/google/go-cmp="v0.7.0"
+github.com/google/s2a-go="v0.1.9"
+github.com/google/uuid="v1.6.0"
+github.com/google/wire="v0.7.0"
+github.com/googleapis/enterprise-certificate-proxy="v0.3.14"
+github.com/googleapis/gax-go/v2="v2.21.0"
 github.com/gorilla/css="v1.0.1"
 github.com/gorilla/websocket="v1.5.3"
 github.com/hairyhenderson/go-codeowners="v0.7.0"
 github.com/hashicorp/golang-lru/v2="v2.0.7"
 github.com/jdkato/prose="v1.2.1"
-github.com/josharian/intern="v1.0.0"
 github.com/kr/pretty="v0.3.1"
 github.com/kr/text="v0.2.0"
+github.com/kylelemons/godebug="v1.1.0"
 github.com/kyokomi/emoji/v2="v2.2.13"
-github.com/mailru/easyjson="v0.7.7"
 github.com/makeworld-the-better-one/dither/v2="v2.4.0"
 github.com/marekm4/color-extractor="v1.2.1"
-github.com/mattn/go-colorable="v0.1.13"
-github.com/mattn/go-isatty="v0.0.20"
+github.com/mattn/go-colorable="v0.1.14"
+github.com/mattn/go-isatty="v0.0.22"
 github.com/mattn/go-runewidth="v0.0.19"
 github.com/microcosm-cc/bluemonday="v1.0.27"
 github.com/mitchellh/mapstructure="v1.5.1-0.20231216201459-8508981c8b6c"
-github.com/mohae/deepcopy="v0.0.0-20170929034955-c48cc78d4826"
 github.com/muesli/smartcrop="v0.3.0"
 github.com/niklasfasching/go-org="v1.9.1"
-github.com/oasdiff/yaml3="v0.0.0-20250309153720-d2182401db90"
-github.com/oasdiff/yaml="v0.0.0-20250309154309-f31be36b4037"
+github.com/oasdiff/yaml3="v0.0.13"
+github.com/oasdiff/yaml="v0.1.0"
 github.com/olekukonko/cat="v0.0.0-20250911104152-50322a0618f6"
-github.com/olekukonko/errors="v1.1.0"
-github.com/olekukonko/ll="v0.1.3"
-github.com/olekukonko/tablewriter="v1.1.2"
+github.com/olekukonko/errors="v1.2.0"
+github.com/olekukonko/ll="v0.1.6"
+github.com/olekukonko/tablewriter="v1.1.4"
 github.com/pbnjay/memory="v0.0.0-20210728143218-7b4eea64cf58"
-github.com/pelletier/go-toml/v2="v2.2.4"
-github.com/perimeterx/marshmallow="v1.1.5"
+github.com/pelletier/go-toml/v2="v2.4.3"
 github.com/pkg/browser="v0.0.0-20240102092130-5ac0b6a4141c"
 github.com/pkg/errors="v0.9.1"
-github.com/rogpeppe/go-internal="v1.14.1"
+github.com/rogpeppe/go-internal="v1.15.0"
 github.com/russross/blackfriday/v2="v2.1.0"
-github.com/sass/dart-sass/compiler="1.97.1"
-github.com/sass/dart-sass/implementation="1.97.1"
-github.com/sass/dart-sass/protocol="3.2.0"
+github.com/santhosh-tekuri/jsonschema/v6="v6.0.2"
 github.com/spf13/afero="v1.15.0"
 github.com/spf13/cast="v1.10.0"
 github.com/spf13/cobra="v1.10.2"
 github.com/spf13/fsync="v0.10.1"
-github.com/spf13/pflag="v1.0.9"
-github.com/tdewolff/minify/v2="v2.24.8"
-github.com/tdewolff/parse/v2="v2.8.5"
-github.com/tetratelabs/wazero="v1.10.1"
+github.com/spf13/pflag="v1.0.10"
+github.com/spiffe/go-spiffe/v2="v2.6.0"
+github.com/tdewolff/minify/v2="v2.24.13"
+github.com/tdewolff/parse/v2="v2.8.12"
+github.com/tetratelabs/wazero="v1.12.0"
 github.com/webmproject/libwebp="v1.6.0"
-github.com/woodsbury/decimal128="v1.3.0"
 github.com/yuin/goldmark-emoji="v1.0.6"
-github.com/yuin/goldmark="v1.7.13"
+github.com/yuin/goldmark="v1.8.2"
+go.opentelemetry.io/auto/sdk="v1.2.1"
+go.opentelemetry.io/contrib/detectors/gcp="v1.39.0"
+go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc="v0.67.0"
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp="v0.67.0"
+go.opentelemetry.io/otel/metric="v1.43.0"
+go.opentelemetry.io/otel/sdk/metric="v1.43.0"
+go.opentelemetry.io/otel/sdk="v1.43.0"
+go.opentelemetry.io/otel/trace="v1.43.0"
+go.opentelemetry.io/otel="v1.43.0"
 go.uber.org/automaxprocs="v1.5.3"
 go.yaml.in/yaml/v3="v3.0.4"
-golang.org/x/crypto="v0.46.0"
-golang.org/x/image="v0.34.0"
-golang.org/x/mod="v0.31.0"
-golang.org/x/net="v0.48.0"
-golang.org/x/sync="v0.19.0"
-golang.org/x/sys="v0.39.0"
-golang.org/x/text="v0.32.0"
-golang.org/x/tools="v0.40.0"
-google.golang.org/protobuf="v1.36.10"
-gopkg.in/yaml.v3="v3.0.1"
+gocloud.dev="v0.45.0"
+golang.org/x/crypto="v0.53.0"
+golang.org/x/image="v0.43.0"
+golang.org/x/mod="v0.37.0"
+golang.org/x/net="v0.56.0"
+golang.org/x/oauth2="v0.36.0"
+golang.org/x/sync="v0.21.0"
+golang.org/x/sys="v0.46.0"
+golang.org/x/text="v0.38.0"
+golang.org/x/time="v0.15.0"
+golang.org/x/tools="v0.47.0"
+golang.org/x/xerrors="v0.0.0-20240903120638-7835f813f4da"
+google.golang.org/api="v0.276.0"
+google.golang.org/genproto/googleapis/api="v0.0.0-20260319201613-d00831a3d3e7"
+google.golang.org/genproto/googleapis/rpc="v0.0.0-20260401024825-9d38bb4040a9"
+google.golang.org/genproto="v0.0.0-20260319201613-d00831a3d3e7"
+google.golang.org/grpc="v1.80.0"
+google.golang.org/protobuf="v1.36.11"
 rsc.io/qr="v0.2.0"
-software.sslmate.com/src/go-pkcs12="v0.2.0"
+software.sslmate.com/src/go-pkcs12="v0.7.0"
 ```
 </details>

cache/filecache/filecache_pruner.go

@@ -17,6 +17,7 @@ import (
 	"fmt"
 	"io"
 	"os"
+	"strings"
 
 	"github.com/gohugoio/hugo/common/herrors"
 	"github.com/gohugoio/hugo/hugofs"
@@ -59,6 +60,29 @@ func (c *Cache) Prune(force bool) (int, error) {
 
 	counter := 0
 
+	seen := c.entryLocker.seen
+	seenByLower := make(map[string]string, seen.Len())
+	for id := range seen.All() {
+		seenByLower[strings.ToLower(id)] = id
+	}
+
+	// Names on disk matching a used cache key except for the case, and the used keys
+	// actually walked. See the note about case-insensitive filesystems below.
+	var candidates map[string]string
+	visited := make(map[string]bool, seen.Len())
+
+	remove := func(name string) error {
+		err := c.Fs.Remove(name)
+		if err == nil {
+			counter++
+			return nil
+		}
+		if !herrors.IsNotExist(err) {
+			return err
+		}
+		return nil
+	}
+
 	err := afero.Walk(c.Fs, "", func(name string, info os.FileInfo, err error) error {
 		if info == nil {
 			return nil
@@ -93,27 +117,44 @@ func (c *Cache) Prune(force bool) (int, error) {
 
 		shouldRemove := force || c.isExpired(info.ModTime())
 
-		if !shouldRemove && c.entryLocker.seen.Len() > 0 {
-			// Remove it if it's not been touched/used in the last build.
-			shouldRemove = !c.entryLocker.seen.Has(name)
+		if seen.Has(name) {
+			visited[name] = true
+		} else if !shouldRemove && seen.Len() > 0 {
+			if id, found := seenByLower[strings.ToLower(name)]; found {
+				// On case-insensitive filesystems this is the same file as id; e.g. an
+				// entry created before Hugo started lowercasing the content paths in
+				// v0.123 (content/MyBundle => _gen/images/MyBundle). Decided once the
+				// walk is done: if id is walked too, they are distinct files and this
+				// one is stale. See issue 15101.
+				if candidates == nil {
+					candidates = make(map[string]string)
+				}
+				candidates[name] = id
+			} else {
+				// Remove it if it's not been touched/used in the last build.
+				shouldRemove = true
+			}
 		}
 
 		if shouldRemove {
-			err := c.Fs.Remove(name)
-			if err == nil {
-				counter++
-			}
-
-			if err != nil && !herrors.IsNotExist(err) {
-				return err
-			}
-
+			return remove(name)
 		}
 
 		return nil
 	})
+	if err != nil {
+		return counter, err
+	}
 
-	return counter, err
+	for name, id := range candidates {
+		if visited[id] {
+			if err := remove(name); err != nil {
+				return counter, err
+			}
+		}
+	}
+
+	return counter, nil
 }
 
 func (c *Cache) pruneRootDirs(force bool) (int, error) {

cache/filecache/filecache_pruner_test.go

@@ -20,11 +20,72 @@ import (
 	"time"
 
 	"github.com/gohugoio/hugo/cache/filecache"
+	"github.com/gohugoio/hugo/htesting"
 	"github.com/spf13/afero"
 
 	qt "github.com/frankban/quicktest"
 )
 
+// A cache entry created before Hugo started lowercasing content paths in v0.123
+// (e.g. _gen/images/MyBundle) is on a case-insensitive filesystem the same file as
+// the lowercased cache key used today, and must not be pruned.
+// See issue 15101.
+func TestPruneCacheEntryWithOtherCase(t *testing.T) {
+	t.Parallel()
+	c := qt.New(t)
+
+	dir := t.TempDir()
+	if isCaseInsensitive, err := htesting.IsCaseInsensitiveFs(dir); err != nil {
+		t.Fatal(err)
+	} else if !isCaseInsensitive {
+		t.Skip("skip test on case-sensitive filesystem")
+	}
+
+	fs := afero.NewBasePathFs(afero.NewOsFs(), dir)
+	newCache := func() *filecache.Cache {
+		return filecache.NewCache(fs, filecache.FileCacheConfig{Dir: "cache", MaxAge: -1})
+	}
+
+	c.Assert(newCache().SetBytes("MyBundle/i1", []byte("abc")), qt.IsNil)
+
+	cache := newCache()
+	_, b, err := cache.GetOrCreateBytes("mybundle/i1", func() ([]byte, error) {
+		return []byte("def"), nil
+	})
+	c.Assert(err, qt.IsNil)
+	c.Assert(string(b), qt.Equals, "abc")
+
+	count, err := cache.Prune(false)
+	c.Assert(err, qt.IsNil)
+	c.Assert(count, qt.Equals, 0)
+	c.Assert(cache.GetString("MyBundle/i1"), qt.Equals, "abc")
+}
+
+// On a case-sensitive filesystem the entries above are distinct files,
+// and the one not used in this build should be pruned.
+func TestPruneCacheEntryWithOtherCaseCaseSensitiveFs(t *testing.T) {
+	t.Parallel()
+	c := qt.New(t)
+
+	fs := afero.NewMemMapFs()
+	cache := filecache.NewCache(fs, filecache.FileCacheConfig{Dir: "cache", MaxAge: -1})
+
+	c.Assert(cache.SetBytes("MyBundle/i1", []byte("abc")), qt.IsNil)
+
+	cache = filecache.NewCache(fs, filecache.FileCacheConfig{Dir: "cache", MaxAge: -1})
+	_, b, err := cache.GetOrCreateBytes("mybundle/i1", func() ([]byte, error) {
+		return []byte("def"), nil
+	})
+	c.Assert(err, qt.IsNil)
+	c.Assert(string(b), qt.Equals, "def")
+
+	count, err := cache.Prune(false)
+	c.Assert(err, qt.IsNil)
+	c.Assert(count, qt.Equals, 1)
+	c.Assert(cache.GetString("MyBundle/i1"), qt.Equals, "")
+	c.Assert(cache.GetString("mybundle/i1"), qt.Equals, "def")
+}
+
 func TestPrune(t *testing.T) {
 	t.Parallel()
 

check.sh

@@ -38,13 +38,20 @@ run_gofmt() {
 
 # Run staticcheck
 run_staticcheck() {
-    # Check if staticcheck is installed, install if not
-    if ! command -v staticcheck &> /dev/null; then
+    local staticcheck_bin
+    if command -v staticcheck &> /dev/null; then
+        staticcheck_bin=$(command -v staticcheck)
+    else
         echo "==> Installing staticcheck..."
         go install honnef.co/go/tools/cmd/staticcheck@latest
+        staticcheck_bin="$(go env GOBIN)"
+        if [ -z "$staticcheck_bin" ]; then
+            staticcheck_bin="$(go env GOPATH)/bin"
+        fi
+        staticcheck_bin="$staticcheck_bin/staticcheck"
     fi
     echo "==> Running staticcheck..."
-    staticcheck $PACKAGES
+    "$staticcheck_bin" $PACKAGES
     echo "    OK"
 }
 

commands/config.go

@@ -116,7 +116,7 @@ func (c *configCommand) Init(cd *simplecobra.Commandeer) error {
 	cmd.Long = `Display project configuration, both default and custom settings.`
 	cmd.Flags().StringVar(&c.format, "format", "toml", "preferred file format (toml, yaml or json)")
 	_ = cmd.RegisterFlagCompletionFunc("format", cobra.FixedCompletions([]string{"toml", "yaml", "json"}, cobra.ShellCompDirectiveNoFileComp))
-	cmd.Flags().StringVar(&c.lang, "lang", "", "the language to display config for. Defaults to the first language defined.")
+	cmd.Flags().StringVar(&c.lang, "lang", "", "the language to display config for (default is the default content language)")
 	cmd.Flags().BoolVar(&c.printZero, "printZero", false, `include config options with zero values (e.g. false, 0, "") in the output`)
 	_ = cmd.RegisterFlagCompletionFunc("lang", cobra.NoFileCompletions)
 	applyLocalFlagsBuildConfig(cmd, c.r)

commands/gen.go

@@ -21,12 +21,8 @@ import (
 	"os"
 	"path"
 	"path/filepath"
-	"slices"
 	"strings"
 
-	"github.com/alecthomas/chroma/v2"
-	"github.com/alecthomas/chroma/v2/formatters/html"
-	"github.com/alecthomas/chroma/v2/styles"
 	"github.com/bep/simplecobra"
 	"github.com/goccy/go-yaml"
 	"github.com/gohugoio/hugo/common/hugo"
@@ -34,6 +30,7 @@ import (
 	"github.com/gohugoio/hugo/helpers"
 	"github.com/gohugoio/hugo/hugofs"
 	"github.com/gohugoio/hugo/hugolib"
+	"github.com/gohugoio/hugo/markup/highlight"
 	"github.com/gohugoio/hugo/parser"
 	"github.com/spf13/cobra"
 	"github.com/spf13/cobra/doc"
@@ -49,6 +46,8 @@ func newGenCommand() *genCommand {
 		style                  string
 		mode                   string
 		modeSelector           bool
+		classDark              string
+		classLight             string
 		highlightStyle         string
 		lineNumbersInlineStyle string
 		lineNumbersTableStyle  string
@@ -65,85 +64,26 @@ func newGenCommand() *genCommand {
 See https://gohugo.io/quick-reference/syntax-highlighting-styles/ for a preview of the available styles.`,
 
 			run: func(ctx context.Context, cd *simplecobra.Commandeer, r *rootCommand, args []string) error {
-				style = strings.ToLower(style)
-				if !slices.Contains(styles.Names(), style) {
-					return fmt.Errorf("invalid style: %s", style)
-				}
-				var chromaStyle *chroma.Style
-				if mode != "" {
-					var chromaMode chroma.Mode
-					switch mode {
-					case "light":
-						chromaMode = chroma.Light
-					case "dark":
-						chromaMode = chroma.Dark
-					default:
-						return fmt.Errorf("invalid mode: %s", mode)
-					}
-
-					chromaStyle = styles.GetForMode(style, chromaMode)
-					if chromaStyle.Mode() != chromaMode {
-						return fmt.Errorf("style %q does not have a %q mode", style, mode)
-					}
-				} else {
-					chromaStyle = styles.Get(style)
-				}
-				builder := chromaStyle.Builder()
-				if highlightStyle != "" {
-					builder.Add(chroma.LineHighlight, highlightStyle)
-				}
-				if lineNumbersInlineStyle != "" {
-					builder.Add(chroma.LineNumbers, lineNumbersInlineStyle)
-				}
-				if lineNumbersTableStyle != "" {
-					builder.Add(chroma.LineNumbersTable, lineNumbersTableStyle)
-				}
-				style, err := builder.Build()
-				if err != nil {
-					return err
-				}
-
 				if omitEmpty {
 					// See https://github.com/alecthomas/chroma/commit/5b2a4c5a26c503c79bc86ba3c4ae5b330028bd3d
 					hugo.Deprecate("--omitEmpty", "Flag is no longer needed, empty classes are now always omitted.", "v0.149.0")
 				}
-				options := []html.Option{
-					html.WithCSSComments(!omitClassComments),
-				}
-				if !modeSelector {
-					// Only needed for the shared-scope overlay; --modeSelector
-					// gives each mode its own scope and makes this redundant.
-					options = append(options, html.WithCustomCSS(chromaCSSOverrides(style)))
-				}
-
-				formatter := html.New(options...)
-
-				var buf bytes.Buffer
-				fmt.Fprintf(&buf, "/* Generated using: hugo %s */\n\n", strings.Join(os.Args[1:], " "))
-				formatter.WriteCSS(&buf, style)
-				css := buf.String()
-				if modeSelector {
-					// Scope every selector under a top level mode class, e.g. ".dark .chroma".
-					// This allows generating both light and dark stylesheets and toggling
-					// them with a parent class on the page.
-					// There's no upstream option for this (I think), so do string replacements for now.
-					// TODO(bep) upstream option for this.
-					var prefix string
-					switch style.Mode() {
-					case chroma.Light:
-						prefix = ".light "
-					case chroma.Dark:
-						prefix = ".dark "
-					default:
-						return fmt.Errorf("style %q does not have a %q mode", style.Name, mode)
-					}
-					replacer := strings.NewReplacer(
-						".bg {", prefix+".bg {",
-						".chroma ", prefix+".chroma ",
-					)
-					css = replacer.Replace(css)
+				css, err := highlight.ChromaStylesCSS(highlight.ChromaStylesOptions{
+					Style:                  style,
+					Mode:                   mode,
+					ModeSelector:           modeSelector,
+					ClassDark:              classDark,
+					ClassLight:             classLight,
+					HighlightStyle:         highlightStyle,
+					LineNumbersInlineStyle: lineNumbersInlineStyle,
+					LineNumbersTableStyle:  lineNumbersTableStyle,
+					OmitClassComments:      omitClassComments,
+				})
+				if err != nil {
+					return err
 				}
 
+				fmt.Printf("/* Generated using: hugo %s */\n\n", strings.Join(os.Args[1:], " "))
 				fmt.Print(css)
 				return nil
 			},
@@ -155,6 +95,10 @@ See https://gohugo.io/quick-reference/syntax-highlighting-styles/ for a preview
 				_ = cmd.RegisterFlagCompletionFunc("mode", cobra.FixedCompletions([]string{"light", "dark"}, cobra.ShellCompDirectiveNoFileComp))
 				cmd.PersistentFlags().BoolVar(&modeSelector, "modeSelector", false, `scope selectors under a top level mode class, e.g. ".dark .chroma"`)
 				_ = cmd.RegisterFlagCompletionFunc("modeSelector", cobra.NoFileCompletions)
+				cmd.PersistentFlags().StringVar(&classDark, "classDark", "dark", `class name used by --modeSelector for dark styles`)
+				_ = cmd.RegisterFlagCompletionFunc("classDark", cobra.NoFileCompletions)
+				cmd.PersistentFlags().StringVar(&classLight, "classLight", "light", `class name used by --modeSelector for light styles`)
+				_ = cmd.RegisterFlagCompletionFunc("classLight", cobra.NoFileCompletions)
 				cmd.PersistentFlags().StringVar(&highlightStyle, "highlightStyle", "", `foreground and background colors for highlighted lines, e.g. --highlightStyle "#fff000 bg:#000fff"`)
 				_ = cmd.RegisterFlagCompletionFunc("highlightStyle", cobra.NoFileCompletions)
 				cmd.PersistentFlags().StringVar(&lineNumbersInlineStyle, "lineNumbersInlineStyle", "", `foreground and background colors for inline line numbers, e.g. --lineNumbersInlineStyle "#fff000 bg:#000fff"`)
@@ -330,38 +274,6 @@ url: %s
 	}
 }
 
-// chromaCSSOverrides re-emits leaf token colors that Chroma's minifier drops
-// because they equal the style's default foreground (the .chroma color). Without
-// modeSelector scoping, a paired light/dark stylesheet shares the same .chroma
-// scope, and the light sheet's explicit rule (e.g. .chroma .nx) would otherwise
-// leak into dark mode, since an explicit declaration beats inheritance.
-func chromaCSSOverrides(style *chroma.Style) map[chroma.TokenType]string {
-	bg := style.Get(chroma.Background)
-	m := make(map[chroma.TokenType]string)
-	for tt := range chroma.StandardTypes {
-		if tt == chroma.Background || !style.Has(tt) || !chromaLeafToken(tt) {
-			continue
-		}
-		entry := style.Get(tt)
-		if !entry.Sub(bg).IsZero() || !entry.Colour.IsSet() {
-			continue
-		}
-		if css := html.StyleEntryToCSS(chroma.StyleEntry{Colour: entry.Colour}); css != "" {
-			m[tt] = css
-		}
-	}
-	return m
-}
-
-func chromaLeafToken(tt chroma.TokenType) bool {
-	for other := range chroma.StandardTypes {
-		if other != tt && (other.Category() == tt || other.SubCategory() == tt) {
-			return false
-		}
-	}
-	return true
-}
-
 type genCommand struct {
 	rootCmd *rootCommand
 

commands/server.go

@@ -1108,7 +1108,7 @@ func (s *staticSyncer) syncsStaticEvents(staticEvents []fsnotify.Event) error {
 
 			fromPath := ev.Name
 
-			relPath, found := sourceFs.MakePathRelative(fromPath, true)
+			relPath, found := sourceFs.MakePathRelative(fromPath, false)
 
 			if !found {
 				// Not member of this virtual host.

common/collections/stack.go

@@ -81,9 +81,9 @@ func (s *StackThreadSafe[T]) DrainMatching(predicate func(T) bool) []T {
 	s.mu.Lock()
 	defer s.mu.Unlock()
 	var items []T
-	for i := len(s.items) - 1; i >= 0; i-- {
-		if predicate(s.items[i]) {
-			items = append(items, s.items[i])
+	for i, v := range slices.Backward(s.items) {
+		if predicate(v) {
+			items = append(items, v)
 			s.items = slices.Delete(s.items, i, i+1)
 		}
 	}

common/hashing/hashing.go

@@ -18,6 +18,7 @@ import (
 	"crypto/md5"
 	"encoding/hex"
 	"io"
+	"reflect"
 	"strconv"
 	"sync"
 
@@ -105,6 +106,16 @@ func MD5FromStringHexEncoded(f string) string {
 	return hex.EncodeToString(h.Sum(nil))
 }
 
+// MD5FromReaderHexEncoded returns the MD5 hash of the given reader.
+func MD5FromReaderHexEncoded(r io.Reader) string {
+	h := md5.New()
+	_, err := io.Copy(h, r)
+	if err != nil {
+		return ""
+	}
+	return hex.EncodeToString(h.Sum(nil))
+}
+
 // HashString returns a hash from the given elements.
 // It will panic if the hash cannot be calculated.
 // Note that this hash should be used primarily for identity, not for change detection as
@@ -124,11 +135,38 @@ func HashStringHex(vs ...any) string {
 var hashOptsPool = sync.Pool{
 	New: func() any {
 		return &hashstructure.HashOptions{
-			Hasher: xxhash.New(),
+			Hasher:     xxhash.New(),
+			UnwrapFunc: unwrapForHashing,
 		}
 	},
 }
 
+// hashstructure only sees exported struct fields, so rewrite known identity types before hashing,
+// e.g. a Resource or Page nested in an options map hashes by its Key.
+func unwrapForHashing(v reflect.Value) (reflect.Value, error) {
+	if v.Kind() != reflect.Struct {
+		return v, nil
+	}
+	var in any
+	if v.CanAddr() {
+		// The common case; pointer receiver methods on a struct
+		// reached through a pointer.
+		in = v.Addr().Interface()
+	} else {
+		in = v.Interface()
+	}
+	switch t := in.(type) {
+	case hashstructure.Hashable:
+		// Let hashstructure handle it.
+		return v, nil
+	case keyer:
+		return reflect.ValueOf(t.Key()), nil
+	case identity.IdentityProvider:
+		return reflect.ValueOf(t.GetIdentity()), nil
+	}
+	return v, nil
+}
+
 func getHashOpts() *hashstructure.HashOptions {
 	return hashOptsPool.Get().(*hashstructure.HashOptions)
 }
@@ -145,15 +183,10 @@ func putHashOpts(opts *hashstructure.HashOptions) {
 func HashUint64(vs ...any) uint64 {
 	var o any
 	if len(vs) == 1 {
-		o = toHashable(vs[0])
+		o = vs[0]
 	} else {
-		elements := make([]any, len(vs))
-		for i, e := range vs {
-			elements[i] = toHashable(e)
-		}
-		o = elements
+		o = vs
 	}
-
 	hash, err := Hash(o)
 	if err != nil {
 		panic(err)
@@ -176,19 +209,6 @@ type keyer interface {
 	Key() string
 }
 
-// For structs, hashstructure.Hash only works on the exported fields,
-// so rewrite the input slice for known identity types.
-func toHashable(v any) any {
-	switch t := v.(type) {
-	case keyer:
-		return t.Key()
-	case identity.IdentityProvider:
-		return t.GetIdentity()
-	default:
-		return v
-	}
-}
-
 type xxhashReadFrom struct {
 	buff []byte
 	*xxhash.Digest

common/herrors/errors.go

@@ -178,3 +178,14 @@ func improveIfNilPointerMsg(inErr error) string {
 	s := fmt.Sprintf("– %s is nil; wrap it in if or with: {{ with %s }}{{ .%s }}{{ end }}", receiverName, receiver, field)
 	return nilPointerErrRe.ReplaceAllString(inErr.Error(), s)
 }
+
+// Or returns the first non-nil error from the given list of errors.
+// If all errors are nil, it returns nil.
+func Or(errs ...error) error {
+	for _, err := range errs {
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}

common/hstore/scratch.go

@@ -131,14 +131,13 @@ func (c *Scratch) DeleteInMap(key string, mapKey string) string {
 // GetSortedMapValues returns a sorted map previously filled with SetInMap.
 func (c *Scratch) GetSortedMapValues(key string) any {
 	c.mu.RLock()
+	defer c.mu.RUnlock()
 
 	if c.values[key] == nil {
-		c.mu.RUnlock()
 		return nil
 	}
 
 	unsortedMap := c.values[key].(map[string]any)
-	c.mu.RUnlock()
 	var keys []string
 	for mapKey := range unsortedMap {
 		keys = append(keys, mapKey)

common/hstore/scratch_test.go

@@ -207,6 +207,30 @@ func TestScratchGetSortedMapValues(t *testing.T) {
 	}
 }
 
+func TestScratchGetSortedMapValuesConcurrentWithSetInMap(t *testing.T) {
+	t.Parallel()
+	scratch := NewScratch()
+	scratch.SetInMap("key", "initial", "initial")
+
+	var wg sync.WaitGroup
+	wg.Add(2)
+
+	go func() {
+		defer wg.Done()
+		for i := range 1000 {
+			scratch.SetInMap("key", "value", i)
+		}
+	}()
+	go func() {
+		defer wg.Done()
+		for range 1000 {
+			scratch.GetSortedMapValues("key")
+		}
+	}()
+
+	wg.Wait()
+}
+
 func BenchmarkScratchGet(b *testing.B) {
 	scratch := NewScratch()
 	scratch.Add("A", 1)

common/hugio/copy.go

@@ -82,6 +82,9 @@ func CopyDir(fs afero.Fs, from, to string, shouldCopy func(filename string) bool
 				return err
 			}
 		} else {
+			if shouldCopy != nil && !shouldCopy(fromFilename) {
+				continue
+			}
 			if err := CopyFile(fs, fromFilename, toFilename); err != nil {
 				return err
 			}

common/hugo/hugo.go

@@ -33,6 +33,7 @@ import (
 	"github.com/gohugoio/hugo/common/loggers"
 	"github.com/gohugoio/hugo/common/version"
 	"github.com/gohugoio/hugo/hugofs/files"
+	"github.com/gohugoio/hugo/internal/warpc"
 
 	"github.com/spf13/afero"
 
@@ -211,7 +212,10 @@ func GetDependencyList() []string {
 
 // GetDependencyListNonGo returns a list of non-Go dependencies.
 func GetDependencyListNonGo() []string {
-	deps := []string{formatDep("github.com/webmproject/libwebp", "v1.6.0")} // via WASM. TODO(bep) get versions from the plugin setup.
+	var deps []string
+	for _, dep := range warpc.GetWASMDeps() {
+		deps = append(deps, formatDep(dep[0], dep[1]))
+	}
 
 	if IsExtended {
 		deps = append(
@@ -225,7 +229,8 @@ func GetDependencyListNonGo() []string {
 		if IsDartSassGeV2() {
 			dartSassPath = "github.com/sass/dart-sass"
 		}
-		deps = append(deps,
+		deps = append(
+			deps,
 			formatDep(dartSassPath+"/protocol", dartSass.ProtocolVersion),
 			formatDep(dartSassPath+"/compiler", dartSass.CompilerVersion),
 			formatDep(dartSassPath+"/implementation", dartSass.ImplementationVersion),

common/hugo/hugo_test.go

@@ -35,8 +35,8 @@ func TestDeprecationLogLevelFromVersion(t *testing.T) {
 	c.Assert(deprecationLogLevelFromVersion(ver.String()), qt.Equals, logg.LevelError)
 
 	// Added just to find the threshold for where we can remove deprecated items.
-	// Subtract 5 from the minor version of the first ERRORed version => 0.136.0.
-	c.Assert(deprecationLogLevelFromVersion("0.141.0"), qt.Equals, logg.LevelError)
+	// Subtract 5 from the minor version of the first ERRORed version => 0.145.0.
+	c.Assert(deprecationLogLevelFromVersion("0.150.0"), qt.Equals, logg.LevelError)
 }
 
 func TestMarkupScope(t *testing.T) {

common/hugo/version_current.go

@@ -19,7 +19,7 @@ import "github.com/gohugoio/hugo/common/version"
 // This should be the only one.
 var CurrentVersion = version.Version{
 	Major:      0,
-	Minor:      164,
+	Minor:      166,
 	PatchLevel: 0,
-	Suffix:     "",
+	Suffix:     "-DEV",
 }

config/allconfig/allconfig.go

@@ -458,36 +458,6 @@ func (c *Config) CompileConfig(logger loggers.Logger) error {
 		}
 	}
 
-	// Legacy privacy values.
-	if c.Privacy.Twitter.Disable {
-		hugo.DeprecateWithLogger("project config key privacy.twitter.disable", "Use privacy.x.disable instead.", "v0.141.0", logger.Logger())
-		c.Privacy.X.Disable = c.Privacy.Twitter.Disable
-	}
-	if c.Privacy.Twitter.EnableDNT {
-		hugo.DeprecateWithLogger("project config key privacy.twitter.enableDNT", "Use privacy.x.enableDNT instead.", "v0.141.0", logger.Logger())
-		c.Privacy.X.EnableDNT = c.Privacy.Twitter.EnableDNT
-	}
-	if c.Privacy.Twitter.Simple {
-		hugo.DeprecateWithLogger("project config key privacy.twitter.simple", "Use privacy.x.simple instead.", "v0.141.0", logger.Logger())
-		c.Privacy.X.Simple = c.Privacy.Twitter.Simple
-	}
-
-	// Legacy services values.
-	if c.Services.Twitter.DisableInlineCSS {
-		hugo.DeprecateWithLogger("project config key services.twitter.disableInlineCSS", "Use services.x.disableInlineCSS instead.", "v0.141.0", logger.Logger())
-		c.Services.X.DisableInlineCSS = c.Services.Twitter.DisableInlineCSS
-	}
-
-	// Legacy permalink tokens
-	for _, pc := range c.Permalinks {
-		if strings.Contains(pc.Pattern, ":filename") {
-			hugo.DeprecateWithLogger("the \":filename\" permalink token", "Use \":contentbasename\" instead.", "0.144.0", logger.Logger())
-		}
-		if strings.Contains(pc.Pattern, ":slugorfilename") {
-			hugo.DeprecateWithLogger("the \":slugorfilename\" permalink token", "Use \":slugorcontentbasename\" instead.", "0.144.0", logger.Logger())
-		}
-	}
-
 	// Legacy render hook values.
 	alternativeDetails := fmt.Sprintf(
 		"Set to %q if previous value was false, or set to %q if previous value was true.",
@@ -1035,29 +1005,30 @@ func (c Configs) GetByLang(lang string) config.AllProvider {
 
 func newDefaultConfig() *Config {
 	return &Config{
-		Taxonomies: map[string]string{"tag": "tags", "category": "categories"},
-		Sitemap:    config.SitemapConfig{Priority: -1, Filename: "sitemap.xml"},
-		RootConfig: RootConfig{
-			Environment:          hugo.EnvironmentProduction,
-			TitleCaseStyle:       "AP",
-			PluralizeListTitles:  true,
-			CapitalizeListTitles: true,
-			StaticDir:            []string{"static"},
-			SummaryLength:        70,
-			Timeout:              "60s",
+		Taxonomies:           map[string]string{"tag": "tags", "category": "categories"},
+		Sitemap:              config.SitemapConfig{Priority: -1, Filename: "sitemap.xml"},
+		Environment:          hugo.EnvironmentProduction,
+		TitleCaseStyle:       "AP",
+		PluralizeListTitles:  true,
+		CapitalizeListTitles: true,
+		StaticDir:            []string{"static"},
+		SummaryLength:        70,
+		Timeout:              "60s",
 
-			CommonDirs: config.CommonDirs{
-				ArcheTypeDir: "archetypes",
-				ContentDir:   "content",
-				ResourceDir:  "resources",
-				PublishDir:   "public",
-				ThemesDir:    "themes",
-				AssetDir:     "assets",
-				LayoutDir:    "layouts",
-				I18nDir:      "i18n",
-				DataDir:      "data",
-			},
-		},
+		//lint:ignore SA1019 Keep as adapter for now.
+		ArcheTypeDir: "archetypes",
+		ContentDir:   "content",
+		ResourceDir:  "resources",
+		PublishDir:   "public",
+		ThemesDir:    "themes",
+		//lint:ignore SA1019 Keep as adapter for now.
+		AssetDir: "assets",
+		//lint:ignore SA1019 Keep as adapter for now.
+		LayoutDir: "layouts",
+		//lint:ignore SA1019 Keep as adapter for now.
+		I18nDir: "i18n",
+		//lint:ignore SA1019 Keep as adapter for now.
+		DataDir: "data",
 	}
 }
 

config/privacy/privacyConfig.go

@@ -30,7 +30,6 @@ type Config struct {
 	Disqus          Disqus
 	GoogleAnalytics GoogleAnalytics
 	Instagram       Instagram
-	Twitter         Twitter `json:"-"` // deprecated in favor of X in v0.141.0
 	Vimeo           Vimeo
 	YouTube         YouTube
 	X               X
@@ -59,19 +58,6 @@ type Instagram struct {
 	Simple bool
 }
 
-// Twitter holds the privacy configuration settings related to the Twitter shortcode.
-// Deprecated in favor of X in v0.141.0.
-type Twitter struct {
-	Service `mapstructure:",squash"`
-
-	// When set to true, the Tweet and its embedded page on your site are not used
-	// for purposes that include personalized suggestions and personalized ads.
-	EnableDNT bool
-
-	// If simple mode is enabled, a static and no-JS version of the Tweet will be built.
-	Simple bool
-}
-
 // Vimeo holds the privacy configuration settings related to the Vimeo shortcode.
 type Vimeo struct {
 	Service `mapstructure:",squash"`

config/security/securityConfig.go

@@ -39,12 +39,11 @@ const securityConfigKey = "security"
 var DefaultConfig = Config{
 	Exec: Exec{
 		Allow: MustNewWhitelist(
-			"^(dart-)?sass(-embedded)?$", // sass, dart-sass, dart-sass-embedded.
-			"^go$",                       // for Go Modules
-			"^git$",                      // For Git info
-			"^node$",                     // Used as the runtime for Node tools.
+			"^(dart-)?sass$", // sass, dart-sass
+			"^go$",           // for Go Modules
+			"^git$",          // For Git info
+			"^node$",         // Used as the runtime for Node tools.
 			"^postcss$",
-			"^tailwindcss$",
 		),
 		// These have been tested to work with Hugo's external programs
 		// on Windows, Linux and MacOS.

config/security/securityConfig_test.go

@@ -135,7 +135,7 @@ func TestToTOML(t *testing.T) {
 	got := DefaultConfig.ToTOML()
 
 	c.Assert(got, qt.Equals,
-		"[security]\n  allowContent = ['! ^text/html$']\n  enableInlineShortcodes = false\n\n  [security.exec]\n    allow = ['^(dart-)?sass(-embedded)?$', '^go$', '^git$', '^node$', '^postcss$', '^tailwindcss$']\n    osEnv = ['(?i)^((HTTPS?|NO)_PROXY|PATH(EXT)?|APPDATA|TE?MP|TERM|GO\\w+|(XDG_CONFIG_)?HOME|USERPROFILE|SSH_AUTH_SOCK|DISPLAY|LANG|SYSTEMDRIVE|PROGRAMDATA)$']\n\n  [security.funcs]\n    getenv = ['^HUGO_', '^CI$']\n\n  [security.http]\n    methods = ['(?i)GET|POST']\n    urls = ['(?i)^https?://[a-z0-9]', '! ^https?://\\d+\\.', '! (?i)localhost', '! (?i)^https?://[^/?#]*@']\n\n  [security.node]\n    [security.node.permissions]\n      allowAddons = ['tailwindcss']\n      allowChildProcess = ['tailwindcss']\n      allowRead = ['.']\n      allowWorker = ['tailwindcss']\n      allowWrite = []\n      disable = false",
+		"[security]\n  allowContent = ['! ^text/html$']\n  enableInlineShortcodes = false\n\n  [security.exec]\n    allow = ['^(dart-)?sass$', '^go$', '^git$', '^node$', '^postcss$']\n    osEnv = ['(?i)^((HTTPS?|NO)_PROXY|PATH(EXT)?|APPDATA|TE?MP|TERM|GO\\w+|(XDG_CONFIG_)?HOME|USERPROFILE|SSH_AUTH_SOCK|DISPLAY|LANG|SYSTEMDRIVE|PROGRAMDATA)$']\n\n  [security.funcs]\n    getenv = ['^HUGO_', '^CI$']\n\n  [security.http]\n    methods = ['(?i)GET|POST']\n    urls = ['(?i)^https?://[a-z0-9]', '! ^https?://\\d+\\.', '! (?i)localhost', '! (?i)^https?://[^/?#]*@']\n\n  [security.node]\n    [security.node.permissions]\n      allowAddons = ['tailwindcss']\n      allowChildProcess = ['tailwindcss']\n      allowRead = ['.']\n      allowWorker = ['tailwindcss']\n      allowWrite = []\n      disable = false",
 	)
 }
 

config/services/servicesConfig.go

@@ -31,7 +31,6 @@ type Config struct {
 	Disqus          Disqus
 	GoogleAnalytics GoogleAnalytics
 	Instagram       Instagram `json:"-"` // the embedded instagram shortcode no longer uses this
-	Twitter         Twitter   `json:"-"` // deprecated in favor of X in v0.141.0
 	X               X
 	RSS             RSS
 }
@@ -61,15 +60,6 @@ type Instagram struct {
 	AccessToken string // this is no longer used by the embedded instagram shortcode
 }
 
-// Twitter holds the functional configuration settings related to the Twitter shortcodes.
-// Deprecated in favor of X in v0.141.0.
-type Twitter struct {
-	// The Simple variant of Twitter is decorated with a basic set of inline styles.
-	// This means that if you want to provide your own CSS, you want
-	// to disable the inline CSS provided by Hugo.
-	DisableInlineCSS bool
-}
-
 // X holds the functional configuration settings related to the X shortcodes.
 type X struct {
 	// The Simple variant of X is decorated with a basic set of inline styles.

create/content_test.go

@@ -317,7 +317,7 @@ func readFileFromFs(t testing.TB, fs afero.Fs, filename string) string {
 	b, err := afero.ReadFile(fs, filename)
 	if err != nil {
 		// Print some debug info
-		root := strings.Split(filename, helpers.FilePathSeparator)[0]
+		root, _, _ := strings.Cut(filename, helpers.FilePathSeparator)
 		afero.Walk(fs, root, func(path string, info os.FileInfo, err error) error {
 			if info != nil && !info.IsDir() {
 				fmt.Println("    ", path)

deps/deps.go

@@ -459,7 +459,7 @@ func (c TestConfig) IsZero() bool {
 
 // BuildState are state used during a build.
 type BuildState struct {
-	counter uint64
+	counter atomic.Uint64
 
 	// Tracks invocations of the Build method.
 	BuildCounter atomic.Uint64
@@ -538,5 +538,5 @@ func (b *BuildState) GetFilenamesWithPostPrefix() []string {
 }
 
 func (b *BuildState) Incr() int {
-	return int(atomic.AddUint64(&b.counter, uint64(1)))
+	return int(b.counter.Add(uint64(1)))
 }

go.mod

@@ -15,7 +15,7 @@ require (
 	github.com/bep/golocales v0.2.0
 	github.com/bep/goportabletext v0.2.0
 	github.com/bep/helpers v0.12.0
-	github.com/bep/imagemeta v0.17.2
+	github.com/bep/imagemeta v1.0.0
 	github.com/bep/lazycache v0.8.1
 	github.com/bep/logg v0.4.0
 	github.com/bep/mclib v1.20401.20400
@@ -27,19 +27,19 @@ require (
 	github.com/cespare/xxhash/v2 v2.3.0
 	github.com/clbanning/mxj/v2 v2.7.0
 	github.com/dustin/go-humanize v1.0.1
-	github.com/evanw/esbuild v0.28.1
+	github.com/evanw/esbuild v0.28.2
 	github.com/fatih/color v1.18.0
 	github.com/fortytw2/leaktest v1.3.0
 	github.com/frankban/quicktest v1.14.6
-	github.com/fsnotify/fsnotify v1.9.0
-	github.com/getkin/kin-openapi v0.140.0
+	github.com/fsnotify/fsnotify v1.10.1
+	github.com/getkin/kin-openapi v0.146.0
 	github.com/gobuffalo/flect v1.0.3
 	github.com/gobwas/glob v0.2.3
 	github.com/goccy/go-yaml v1.19.2
 	github.com/gohugoio/gift v0.2.0
 	github.com/gohugoio/go-i18n/v2 v2.1.3-0.20251018145728-cfcc22d823c6
 	github.com/gohugoio/go-radix v1.2.0
-	github.com/gohugoio/hashstructure v0.6.0
+	github.com/gohugoio/hashstructure v1.0.0
 	github.com/gohugoio/httpcache v0.8.0
 	github.com/gohugoio/hugo-goldmark-extensions/extras v0.7.0
 	github.com/gohugoio/hugo-goldmark-extensions/passthrough v0.5.0
@@ -47,11 +47,11 @@ require (
 	github.com/gorilla/websocket v1.5.3
 	github.com/hairyhenderson/go-codeowners v0.7.0
 	github.com/jdkato/prose v1.2.1
-	github.com/kyokomi/emoji/v2 v2.2.13
+	github.com/kyokomi/emoji/v2 v2.2.14
 	github.com/magefile/mage v1.17.2
 	github.com/makeworld-the-better-one/dither/v2 v2.4.0
 	github.com/marekm4/color-extractor v1.2.1
-	github.com/mattn/go-isatty v0.0.22
+	github.com/mattn/go-isatty v0.0.24
 	github.com/microcosm-cc/bluemonday v1.0.27
 	github.com/mitchellh/mapstructure v1.5.1-0.20231216201459-8508981c8b6c
 	github.com/muesli/smartcrop v0.3.0
@@ -60,25 +60,25 @@ require (
 	github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58
 	github.com/pelletier/go-toml/v2 v2.4.3
 	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c
-	github.com/rogpeppe/go-internal v1.15.0
+	github.com/rogpeppe/go-internal v1.16.0
 	github.com/spf13/afero v1.15.0
 	github.com/spf13/cast v1.10.0
 	github.com/spf13/cobra v1.10.2
 	github.com/spf13/fsync v0.10.1
 	github.com/spf13/pflag v1.0.10
-	github.com/tdewolff/minify/v2 v2.24.13
-	github.com/tdewolff/parse/v2 v2.8.12
+	github.com/tdewolff/minify/v2 v2.24.16
+	github.com/tdewolff/parse/v2 v2.8.15
 	github.com/tetratelabs/wazero v1.12.0
-	github.com/yuin/goldmark v1.8.2
+	github.com/yuin/goldmark v1.8.5
 	github.com/yuin/goldmark-emoji v1.0.6
 	go.uber.org/automaxprocs v1.5.3
 	gocloud.dev v0.45.0
-	golang.org/x/image v0.43.0
-	golang.org/x/mod v0.37.0
-	golang.org/x/net v0.56.0
-	golang.org/x/sync v0.21.0
-	golang.org/x/text v0.38.0
-	golang.org/x/tools v0.47.0
+	golang.org/x/image v0.44.0
+	golang.org/x/mod v0.38.0
+	golang.org/x/net v0.57.0
+	golang.org/x/sync v0.22.0
+	golang.org/x/text v0.40.0
+	golang.org/x/tools v0.48.0
 	google.golang.org/api v0.276.0
 	rsc.io/qr v0.2.0
 )
@@ -99,7 +99,7 @@ require (
 	github.com/Azure/go-autorest v14.2.0+incompatible // indirect
 	github.com/Azure/go-autorest/autorest/to v0.4.1 // indirect
 	github.com/AzureAD/microsoft-authentication-library-for-go v1.6.0 // indirect
-	github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.31.0 // indirect
+	github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.32.0 // indirect
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.54.0 // indirect
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.54.0 // indirect
 	github.com/JohannesKaufmann/dom v0.3.1 // indirect
@@ -125,12 +125,12 @@ require (
 	github.com/aymerick/douceur v0.2.0 // indirect
 	github.com/clipperhouse/displaywidth v0.10.0 // indirect
 	github.com/clipperhouse/uax29/v2 v2.6.0 // indirect
-	github.com/cncf/xds/go v0.0.0-20251210132809-ee656c7534f5 // indirect
+	github.com/cncf/xds/go v0.0.0-20260202195803-dba9d589def2 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.6 // indirect
 	github.com/dlclark/regexp2 v1.12.0 // indirect
 	github.com/dlclark/regexp2/v2 v2.2.1 // indirect
-	github.com/envoyproxy/go-control-plane/envoy v1.36.0 // indirect
-	github.com/envoyproxy/protoc-gen-validate v1.3.0 // indirect
+	github.com/envoyproxy/go-control-plane/envoy v1.37.0 // indirect
+	github.com/envoyproxy/protoc-gen-validate v1.3.3 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/go-jose/go-jose/v4 v4.1.4 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
@@ -152,8 +152,8 @@ require (
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-runewidth v0.0.19 // indirect
 	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 // indirect
-	github.com/oasdiff/yaml v0.1.0 // indirect
-	github.com/oasdiff/yaml3 v0.0.13 // indirect
+	github.com/oasdiff/yaml v0.1.1 // indirect
+	github.com/oasdiff/yaml3 v0.0.14 // indirect
 	github.com/olekukonko/cat v0.0.0-20250911104152-50322a0618f6 // indirect
 	github.com/olekukonko/errors v1.2.0 // indirect
 	github.com/olekukonko/ll v0.1.6 // indirect
@@ -163,7 +163,7 @@ require (
 	github.com/santhosh-tekuri/jsonschema/v6 v6.0.2 // indirect
 	github.com/spiffe/go-spiffe/v2 v2.6.0 // indirect
 	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
-	go.opentelemetry.io/contrib/detectors/gcp v1.39.0 // indirect
+	go.opentelemetry.io/contrib/detectors/gcp v1.43.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.67.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.67.0 // indirect
 	go.opentelemetry.io/otel v1.43.0 // indirect
@@ -172,18 +172,18 @@ require (
 	go.opentelemetry.io/otel/sdk/metric v1.43.0 // indirect
 	go.opentelemetry.io/otel/trace v1.43.0 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/crypto v0.53.0 // indirect
+	golang.org/x/crypto v0.54.0 // indirect
 	golang.org/x/oauth2 v0.36.0 // indirect
-	golang.org/x/sys v0.46.0 // indirect
+	golang.org/x/sys v0.47.0 // indirect
 	golang.org/x/time v0.15.0 // indirect
 	golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da // indirect
 	google.golang.org/genproto v0.0.0-20260319201613-d00831a3d3e7 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20260319201613-d00831a3d3e7 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20260401024825-9d38bb4040a9 // indirect
-	google.golang.org/grpc v1.80.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20260414002931-afd174a4e478 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260414002931-afd174a4e478 // indirect
+	google.golang.org/grpc v1.82.1 // indirect
 	google.golang.org/protobuf v1.36.11 // indirect
 	howett.net/plist v1.0.1 // indirect
 	software.sslmate.com/src/go-pkcs12 v0.7.0 // indirect
 )
 
-go 1.26.0
+go 1.27.0

go.sum

@@ -84,8 +84,8 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
 github.com/BurntSushi/toml v1.5.0 h1:W5quZX/G/csjUnuI8SUYlsHs9M38FC7znL0lIO+DvMg=
 github.com/BurntSushi/toml v1.5.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.31.0 h1:DHa2U07rk8syqvCge0QIGMCE1WxGj9njT44GH7zNJLQ=
-github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.31.0/go.mod h1:P4WPRUkOhJC13W//jWpyfJNDAIpvRbAUIYLX/4jtlE0=
+github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.32.0 h1:rIkQfkCOVKc1OiRCNcSDD8ml5RJlZbH/Xsq7lbpynwc=
+github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.32.0/go.mod h1:RD2SsorTmYhF6HkTmDw7KmPYQk8OBYwTkuasChwv7R4=
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.54.0 h1:lhhYARPUu3LmHysQ/igznQphfzynnqI3D75oUyw1HXk=
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.54.0/go.mod h1:l9rva3ApbBpEJxSNYnwT9N4CDLrWgtq3u8736C5hyJw=
 github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/cloudmock v0.54.0 h1:xfK3bbi6F2RDtaZFtUdKO3osOBIhNb+xTs8lFW6yx9o=
@@ -164,8 +164,8 @@ github.com/bep/goportabletext v0.2.0 h1:CZ9f8jADBWqHwBymQiJJPCTSV/tHSA+PYzlUf86Y
 github.com/bep/goportabletext v0.2.0/go.mod h1:xDeA5+qcgKzJq6Q6XjAiBKtxLD3Yn7f6XP4joD3J3qU=
 github.com/bep/helpers v0.12.0 h1:tD6V2DQW0B+FUynF2etR/106S/TO9akm+vA/Hk24GxY=
 github.com/bep/helpers v0.12.0/go.mod h1:PfE7MGdA8sSQ19nyDh4tYbs5rAlStlJaDI21f/fnNps=
-github.com/bep/imagemeta v0.17.2 h1:fDyXM1eAqCfBeqGLqS6UsN4OfuLM0cdu70KuLCehjOg=
-github.com/bep/imagemeta v0.17.2/go.mod h1:+Hlp195TfZpzsqCxtDKTG6eWdyz2+F2V/oCYfr3CZKA=
+github.com/bep/imagemeta v1.0.0 h1:8JZmahegn5p1M9CpFmga7LoSxErpu1uFfpSzMUNju7A=
+github.com/bep/imagemeta v1.0.0/go.mod h1:+Hlp195TfZpzsqCxtDKTG6eWdyz2+F2V/oCYfr3CZKA=
 github.com/bep/lazycache v0.8.1 h1:ko6ASLjkPxyV5DMWoNNZ8B2M0weyjqXX8IZkjBoBtvg=
 github.com/bep/lazycache v0.8.1/go.mod h1:pbEiFsZoq7cLXvrTll0AHOPEurB1aGGxx4jKjOtlx9w=
 github.com/bep/logg v0.4.0 h1:luAo5mO4ZkhA5M1iDVDqDqnBBnlHjmtZF6VAyTp+nCQ=
@@ -198,8 +198,8 @@ github.com/clipperhouse/uax29/v2 v2.6.0/go.mod h1:Wn1g7MK6OoeDT0vL+Q0SQLDz/KpfsV
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
-github.com/cncf/xds/go v0.0.0-20251210132809-ee656c7534f5 h1:6xNmx7iTtyBRev0+D/Tv1FZd4SCg8axKApyNyRsAt/w=
-github.com/cncf/xds/go v0.0.0-20251210132809-ee656c7534f5/go.mod h1:KdCmV+x/BuvyMxRnYBlmVaq4OLiKW6iRQfvC62cvdkI=
+github.com/cncf/xds/go v0.0.0-20260202195803-dba9d589def2 h1:aBangftG7EVZoUb69Os8IaYg++6uMOdKK83QtkkvJik=
+github.com/cncf/xds/go v0.0.0-20260202195803-dba9d589def2/go.mod h1:qwXFYgsP6T7XnJtbKlf1HP8AjxZZyzxMmc+Lq5GjlU4=
 github.com/cpuguy83/go-md2man/v2 v2.0.6 h1:XJtiaUW6dEEqVuZiMTn1ldk455QWwEIsMIJlo5vtkx0=
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@@ -220,15 +220,15 @@ github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5y
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@@ -238,10 +238,10 @@ github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHqu
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@@ -272,8 +272,8 @@ github.com/gohugoio/go-i18n/v2 v2.1.3-0.20251018145728-cfcc22d823c6 h1:pxlAea9eR
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@@ -392,8 +392,8 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
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@@ -402,8 +402,8 @@ github.com/marekm4/color-extractor v1.2.1 h1:3Zb2tQsn6bITZ8MBVhc33Qn1k5/SEuZ18mr
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@@ -418,10 +418,10 @@ github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6
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@@ -450,8 +450,8 @@ github.com/prashantv/gostub v1.1.0/go.mod h1:A5zLQHz7ieHGG7is6LLXLz7I8+3LZzsrV0P
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@@ -489,11 +489,10 @@ github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO
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@@ -502,8 +501,8 @@ github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
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@@ -514,8 +513,8 @@ go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
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-go.opentelemetry.io/contrib/detectors/gcp v1.39.0 h1:kWRNZMsfBHZ+uHjiH4y7Etn2FK26LAGkNFw7RHv1DhE=
-go.opentelemetry.io/contrib/detectors/gcp v1.39.0/go.mod h1:t/OGqzHBa5v6RHZwrDBJ2OirWc+4q/w2fTbLZwAKjTk=
+go.opentelemetry.io/contrib/detectors/gcp v1.43.0 h1:62yY3dT7/ShwOxzA0RsKRgshBmfElKI4d/Myu2OxDFU=
+go.opentelemetry.io/contrib/detectors/gcp v1.43.0/go.mod h1:RyaZMFY7yi1kAs45S6mbFGz8O8rqB0dTY14uzvG4LCs=
 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.67.0 h1:yI1/OhfEPy7J9eoa6Sj051C7n5dvpj0QX8g4sRchg04=
 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.67.0/go.mod h1:NoUCKYWK+3ecatC4HjkRktREheMeEtrXoQxrqYFeHSc=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.67.0 h1:OyrsyzuttWTSur2qN/Lm0m2a8yqyIjUVBZcxFPuXq2o=
@@ -545,8 +544,8 @@ golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.53.0 h1:QZ4Muo8THX6CizN2vPPd5fBGHyogrdK9fG4wLPFUsto=
-golang.org/x/crypto v0.53.0/go.mod h1:DNLU434OwVakk9PzuwV8w62mAJpRJL3vsgcfp4Qnsio=
+golang.org/x/crypto v0.54.0 h1:YLIA59K4fiNzHzjnZt2tUJQjQtUWfWbeHBqKtk3eScw=
+golang.org/x/crypto v0.54.0/go.mod h1:KWL8ny2AZdGR2cWmzeHrp2azQPGogOv+HeQaVEXC2dk=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -559,8 +558,8 @@ golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EH
 golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
-golang.org/x/image v0.43.0 h1:FLxcP4ec2350nTfOC8ysKtqYSIFbk/QGjw1ZHNP4tsY=
-golang.org/x/image v0.43.0/go.mod h1:rrpelvGFt+kLPAjPM4HeWPgrl0FtafueU//e5N0qk/Q=
+golang.org/x/image v0.44.0 h1:+tDekMZED9+LrtB3G5xzRggpVh9CARjZqROla3R3R+I=
+golang.org/x/image v0.44.0/go.mod h1:V8K3KE9KKKE+pLpQDOeN18w9oacNSvy1tDOirTu4xtY=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -582,8 +581,8 @@ golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.37.0 h1:vF1DjpVEshcIqoEaauuHebaLk1O1forxjxBaVn884JQ=
-golang.org/x/mod v0.37.0/go.mod h1:m8S8VeM9r4dzDwjrKO0a1sZP3YjeMamRRlD+fmR2Q/0=
+golang.org/x/mod v0.38.0 h1:MECBjubtXD7yj4HrhIUcywNaGeNVUdfVnxmPajOk4yk=
+golang.org/x/mod v0.38.0/go.mod h1:V6Xz0pq8TQ3dGqVQ1FVHuelZpAL0uNhSkk9ogYP3c40=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -615,8 +614,8 @@ golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwY
 golang.org/x/net v0.0.0-20201209123823-ac852fbbde11/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.56.0 h1:Rw8j/hFzGvJUZwNBXnAtf5sVDVt+65SK2C7IxCxZt5o=
-golang.org/x/net v0.56.0/go.mod h1:D3Ku6r+V6JROoZK144D2XfMHFcMq/0zSfLelVTCFKec=
+golang.org/x/net v0.57.0 h1:K5+3DljvIuDG9/Jv9rvyMywYNFCQ9RSUY6OOTTkT+tE=
+golang.org/x/net v0.57.0/go.mod h1:KpXc8iv+r3XplLAG/f7Jsf9RPszJzdR0f58q9vGOuEU=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -638,8 +637,8 @@ golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.21.0 h1:HLII4xRRTtCRkxYp4HNFF0Js/Og6q2i++KXbg0gHCwM=
-golang.org/x/sync v0.21.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
+golang.org/x/sync v0.22.0 h1:SZjpbeLmrCk4xhRSZFNZW5gFUeCeFgjekvI/+gfScek=
+golang.org/x/sync v0.22.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -676,8 +675,8 @@ golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.46.0 h1:noSf2Fq6F8DBgS+LysIkx7rIExoNHJsxOAtPp4rthXw=
-golang.org/x/sys v0.46.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
+golang.org/x/sys v0.47.0 h1:o7XGOvZQCADBQQ4Y7VNq2dRWQR7JmOUW8Kxx4ZsNgWs=
+golang.org/x/sys v0.47.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -685,8 +684,8 @@ golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.38.0 h1:sXmwo9DwP3OK9EZ7PqAdaooSGozfl/3a6/xJcbzPRhE=
-golang.org/x/text v0.38.0/go.mod h1:YXZt3QhHUKYT53r2lLKFIVi6Ao1jdzrTR/KQ09qyxF4=
+golang.org/x/text v0.40.0 h1:Ub2Z6/xjgF1WrYQz2nuITOEegKFtiIy+rieRJ5lHZKs=
+golang.org/x/text v0.40.0/go.mod h1:hpnzDAfGV753zIKo+wk3u1bVKCGPbrnF7+7LBF/UHVY=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -739,8 +738,8 @@ golang.org/x/tools v0.0.0-20201208233053-a543418bbed2/go.mod h1:emZCQorbCU4vsT4f
 golang.org/x/tools v0.0.0-20210105154028-b0ab187a4818/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20210108195828-e2f9c7f1fc8e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
-golang.org/x/tools v0.47.0 h1:7Kn5x/d1svx/PzryTsqeoZN4TZwqeH5pGWjefhLi/1Q=
-golang.org/x/tools v0.47.0/go.mod h1:dFHnyTvFWY212G+h7ZY4Vsp/K3U4/7W9TyVaAul8uCA=
+golang.org/x/tools v0.48.0 h1:3+hClM1aLL5mjMKm5ovokw9epgRXPuu2tILgismM6RE=
+golang.org/x/tools v0.48.0/go.mod h1:08xX0orndb/F7jJxGDicx061tyd5pcMto75YMAXr6lk=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -815,10 +814,10 @@ google.golang.org/genproto v0.0.0-20210108203827-ffc7fda8c3d7/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20210226172003-ab064af71705/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20260319201613-d00831a3d3e7 h1:XzmzkmB14QhVhgnawEVsOn6OFsnpyxNPRY9QV01dNB0=
 google.golang.org/genproto v0.0.0-20260319201613-d00831a3d3e7/go.mod h1:L43LFes82YgSonw6iTXTxXUX1OlULt4AQtkik4ULL/I=
-google.golang.org/genproto/googleapis/api v0.0.0-20260319201613-d00831a3d3e7 h1:41r6JMbpzBMen0R/4TZeeAmGXSJC7DftGINUodzTkPI=
-google.golang.org/genproto/googleapis/api v0.0.0-20260319201613-d00831a3d3e7/go.mod h1:EIQZ5bFCfRQDV4MhRle7+OgjNtZ6P1PiZBgAKuxXu/Y=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20260401024825-9d38bb4040a9 h1:m8qni9SQFH0tJc1X0vmnpw/0t+AImlSvp30sEupozUg=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20260401024825-9d38bb4040a9/go.mod h1:4Hqkh8ycfw05ld/3BWL7rJOSfebL2Q+DVDeRgYgxUU8=
+google.golang.org/genproto/googleapis/api v0.0.0-20260414002931-afd174a4e478 h1:yQugLulqltosq0B/f8l4w9VryjV+N/5gcW0jQ3N8Qec=
+google.golang.org/genproto/googleapis/api v0.0.0-20260414002931-afd174a4e478/go.mod h1:C6ADNqOxbgdUUeRTU+LCHDPB9ttAMCTff6auwCVa4uc=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260414002931-afd174a4e478 h1:RmoJA1ujG+/lRGNfUnOMfhCy5EipVMyvUE+KNbPbTlw=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260414002931-afd174a4e478/go.mod h1:4Hqkh8ycfw05ld/3BWL7rJOSfebL2Q+DVDeRgYgxUU8=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
@@ -835,8 +834,8 @@ google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
 google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
 google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.80.0 h1:Xr6m2WmWZLETvUNvIUmeD5OAagMw3FiKmMlTdViWsHM=
-google.golang.org/grpc v1.80.0/go.mod h1:ho/dLnxwi3EDJA4Zghp7k2Ec1+c2jqup0bFkw07bwF4=
+google.golang.org/grpc v1.82.1 h1:NnAxzGRA0677vCa4BUkOAnO5+FfQqVl9iUXeD0IqcGE=
+google.golang.org/grpc v1.82.1/go.mod h1:yzTZ1TB1Z3SG+LIYaI+WiE8D5+PZ3ArnrSp8zF3+/ZA=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=

htesting/test_helpers.go

@@ -16,6 +16,7 @@ package htesting
 import (
 	"math/rand"
 	"os"
+	"path/filepath"
 	"regexp"
 	"runtime"
 	"strconv"
@@ -58,6 +59,27 @@ func CreateTempDir(fs afero.Fs, prefix string) (string, func(), error) {
 	return tempDir, func() { fs.RemoveAll(tempDir) }, nil
 }
 
+// IsCaseInsensitiveFs reports whether dir lives on a case-insensitive filesystem
+// (e.g. the default on macOS and Windows).
+func IsCaseInsensitiveFs(dir string) (bool, error) {
+	f, err := os.CreateTemp(dir, "case-*.tmp")
+	if err != nil {
+		return false, err
+	}
+	f.Close()
+	defer os.Remove(f.Name())
+
+	_, err = os.Stat(filepath.Join(dir, strings.ToUpper(filepath.Base(f.Name()))))
+	if err != nil {
+		if os.IsNotExist(err) {
+			return false, nil
+		}
+		return false, err
+	}
+
+	return true, nil
+}
+
 // BailOut panics with a stack trace after the given duration. Useful for
 // hanging tests.
 func BailOut(after time.Duration) {

hugofs/nosymlinks_fs.go

@@ -15,10 +15,37 @@ package hugofs
 
 import (
 	"os"
+	"path/filepath"
 
+	"github.com/gohugoio/hugo/common/herrors"
 	"github.com/spf13/afero"
 )
 
+// hasSymlinkParent reports whether any directory between name and base is a symlink.
+// Lstat only refrains from following the last element of a path, so callers checking
+// name itself need this to keep a symlinked parent from escaping base.
+// base itself is not checked; an empty base walks to the root of fs.
+func hasSymlinkParent(fs afero.Fs, base, name string) (bool, error) {
+	for name != base {
+		parent := filepath.Dir(name)
+		if parent == name || parent == base || parent == "." {
+			return false, nil
+		}
+		fi, err := LstatIfPossible(fs, parent)
+		if err != nil {
+			if herrors.IsNotExist(err) {
+				return false, nil
+			}
+			return false, err
+		}
+		if fi.Mode()&os.ModeSymlink != 0 {
+			return true, nil
+		}
+		name = parent
+	}
+	return false, nil
+}
+
 // NewDropSymlinksFs returns an afero.Fs wrapper that treats symlinks as non-existing files.
 func NewDropSymlinksFs(base afero.Fs) *DropSymlinksFs {
 	return &DropSymlinksFs{base}
@@ -48,5 +75,12 @@ func (fs *DropSymlinksFs) Stat(name string) (os.FileInfo, error) {
 	if fi.Mode()&os.ModeSymlink != 0 {
 		return nil, os.ErrNotExist
 	}
+	symlinkParent, err := hasSymlinkParent(fs.Fs, "", name)
+	if err != nil {
+		return nil, err
+	}
+	if symlinkParent {
+		return nil, os.ErrNotExist
+	}
 	return fi, nil
 }

hugofs/rootmapping_fs.go

@@ -729,10 +729,18 @@ func (fs *RootMappingFs) statRoot(root *RootMapping, filename string) (FileMetaI
 		return nil, err
 	}
 
-	// Don't allow symlinks to escape the mount.
+	// Don't allow symlinks to escape the mount, neither as the file itself
+	// nor as any directory between it and the mount root.
 	if fi.Mode()&os.ModeSymlink != 0 {
 		return nil, os.ErrNotExist
 	}
+	symlinkParent, err := hasSymlinkParent(fs.Fs, root.To, filename)
+	if err != nil {
+		return nil, err
+	}
+	if symlinkParent {
+		return nil, os.ErrNotExist
+	}
 
 	var opener func() (afero.File, error)
 	if !fi.IsDir() {

hugolib/content_map_page_assembler.go

@@ -14,7 +14,6 @@
 package hugolib
 
 import (
-	"cmp"
 	"context"
 	"fmt"
 	"path"
@@ -23,6 +22,7 @@ import (
 
 	"github.com/bep/helpers/maphelpers"
 	"github.com/gohugoio/go-radix"
+	"github.com/gohugoio/hugo/common/herrors"
 	"github.com/gohugoio/hugo/common/paths"
 	"github.com/gohugoio/hugo/common/types"
 	"github.com/gohugoio/hugo/hugofs/files"
@@ -134,7 +134,7 @@ func (a *allPagesAssembler) createAllPages() error {
 		}()
 	}
 
-	if err := cmp.Or(a.doCreatePages("", 0), a.g.Wait()); err != nil {
+	if err := herrors.Or(a.doCreatePages("", 0), a.g.Wait()); err != nil {
 		return err
 	}
 	if err := a.pwRoot.WalkContext.HandleEventsAndHooks(); err != nil {
@@ -362,7 +362,7 @@ func (a *allPagesAssembler) doCreatePages(prefix string, depth int) error {
 
 		switch v := n.(type) {
 		case contentNodeSeq, contentNodes:
-			return handleContentNodeSeq(contentNodeToSeq(v))
+			return handleContentNodeSeq(cnh.contentNodeToSeq(v))
 		case *pageMetaSource:
 			n2, err = handlePageMetaSource(v, nil, false)
 			if err != nil {
@@ -781,7 +781,7 @@ func (a *allPagesAssembler) doCreatePages(prefix string, depth int) error {
 
 				if _, found := nodes[p.s.siteVector]; !found {
 					var rs *resourceSource
-					match := cnh.findContentNodeForSiteVector(p.s.siteVector, duplicateResourceFiles, contentNodeToSeq(n))
+					match := cnh.findContentNodeForSiteVector(p.s.siteVector, duplicateResourceFiles, cnh.contentNodeToSeq(n))
 					if match == nil {
 						return true
 					}
@@ -1385,8 +1385,11 @@ func (a *allPagesAssembler) createMissingTaxonomies() error {
 	for viewName, languages := range viewLanguages {
 		key := viewName.pluralTreeKey
 		if a.h.isRebuild() {
-			if v := tree.Get(key); v != nil {
-				// Already there.
+			// Note that we cannot use tree.Get here, as the tree at this point
+			// may hold not yet assembled *pageMetaSource nodes.
+			// We're only interested in whether the auto created (not file backed)
+			// taxonomy node is still there.
+			if n, found := tree.GetRaw(key); found && cnh.hasAutoContentNode(n) {
 				continue
 			}
 		}

hugolib/content_map_page_contentnode.go

@@ -28,6 +28,7 @@ var _ contentNode = (*contentNodeSeq)(nil)
 
 var (
 	_ contentNode                      = (*resourceSource)(nil)
+	_ contentNodeContentWeightProvider = (*pageMetaSource)(nil)
 	_ contentNodeContentWeightProvider = (*pageState)(nil)
 	_ contentNodeForSites              = (*pageState)(nil)
 	_ contentNodePage                  = (*contentNodes)(nil)
@@ -395,7 +396,15 @@ func contentNodeToContentNodesPage(n contentNode) (contentNodesMap, bool) {
 	}
 }
 
-func contentNodeToSeq(n contentNodeForEach) contentNodeSeq {
+// hasAutoContentNode reports whether n holds at least one node that is not backed by a file.
+func (h helperContentNode) hasAutoContentNode(n contentNodeForEach) bool {
+	return !n.forEeachContentNode(func(_ sitesmatrix.Vector, nn contentNode) bool {
+		wp, ok := nn.(contentNodeContentWeightProvider)
+		return ok && wp.contentWeight() > 0
+	})
+}
+
+func (h helperContentNode) contentNodeToSeq(n contentNodeForEach) contentNodeSeq {
 	if nn, ok := n.(contentNodeSeq); ok {
 		return nn
 	}
@@ -406,7 +415,7 @@ func contentNodeToSeq(n contentNodeForEach) contentNodeSeq {
 	}
 }
 
-func contentNodeToSeq2(n contentNodeForEach) contentNodeSeq2 {
+func (h helperContentNode) contentNodeToSeq2(n contentNodeForEach) contentNodeSeq2 {
 	if nn, ok := n.(contentNodeSeq2); ok {
 		return nn
 	}

hugolib/content_map_page_contentnodeshifter.go

@@ -25,7 +25,7 @@ type contentNodeShifter struct {
 	conf config.AllProvider // Used for logging/debugging.
 }
 
-func (s *contentNodeShifter) Delete(n contentNode, vec sitesmatrix.Vector) (contentNode, bool, bool) {
+func (s *contentNodeShifter) Delete(n contentNode, vec sitesmatrix.Vector) (contentNode, contentNode, bool, bool) {
 	switch v := n.(type) {
 	case contentNodesMap:
 		deleted, wasDeleted := v[vec]
@@ -33,49 +33,53 @@ func (s *contentNodeShifter) Delete(n contentNode, vec sitesmatrix.Vector) (cont
 			delete(v, vec)
 			resource.MarkStale(deleted)
 		}
-		return deleted, wasDeleted, len(v) == 0
+		return v, deleted, wasDeleted, len(v) == 0
 	case contentNodeForSite:
 		if v.siteVector() != vec {
-			return nil, false, false
+			return v, nil, false, false
 		}
 		resource.MarkStale(v)
-		return v, true, true
+		return nil, v, true, true
 	case contentNodes:
-		var deleted contentNodes
-		for i, nn := range v {
-			if vv, ok, _ := s.Delete(nn, vec); ok {
+		var deleted, remaining contentNodes
+		for _, nn := range v {
+			updated, vv, ok, isEmpty := s.Delete(nn, vec)
+			if ok {
 				deleted = append(deleted, vv)
-				v = append(v[:i], v[i+1:]...)
+			}
+			if !isEmpty {
+				remaining = append(remaining, updated)
 			}
 		}
 		if len(deleted) == 0 {
-			return nil, false, false
+			return v, nil, false, false
 		}
-		return deleted, true, len(v) == 0
+		return remaining, deleted, true, len(remaining) == 0
 	default:
-		v = v.(contentNodeSingle) // Ensure single node.
-		resource.MarkStale(v)
-		return v, true, true
-
+		vv := v.(contentNodeSingle) // Ensure single node.
+		resource.MarkStale(vv)
+		return nil, vv, true, true
 	}
 }
 
-func (s *contentNodeShifter) DeleteFunc(v contentNode, f func(n contentNode) bool) bool {
+func (s *contentNodeShifter) DeleteFunc(v contentNode, f func(n contentNode) bool) (contentNode, bool) {
 	switch ss := v.(type) {
 	case contentNodeSingle:
 		if f(ss) {
 			resource.MarkStale(ss)
-			return true
+			return nil, true
 		}
-		return false
+		return ss, false
 	case contentNodes:
-		for i, n := range ss {
+		var remaining contentNodes
+		for _, n := range ss {
 			if f(n) {
 				resource.MarkStale(n)
-				ss = append(ss[:i], ss[i+1:]...)
+			} else {
+				remaining = append(remaining, n)
 			}
 		}
-		return len(ss) == 0
+		return remaining, len(remaining) == 0
 	case contentNodesMap:
 		for k, n := range ss {
 			if f(n) {
@@ -83,7 +87,7 @@ func (s *contentNodeShifter) DeleteFunc(v contentNode, f func(n contentNode) boo
 				delete(ss, k)
 			}
 		}
-		return len(ss) == 0
+		return ss, len(ss) == 0
 	default:
 		panic(fmt.Sprintf("DeleteFunc: unknown type %T", v))
 	}
@@ -105,7 +109,7 @@ func (s *contentNodeShifter) ForEeachInAllDimensions(n contentNode, f func(conte
 
 func (s *contentNodeShifter) ForEeachInDimension(n contentNode, vec sitesmatrix.Vector, d int, f func(contentNode) bool) {
 LOOP1:
-	for vec2, v := range contentNodeToSeq2(n) {
+	for vec2, v := range cnh.contentNodeToSeq2(n) {
 		for i, v := range vec2 {
 			if i != d && v != vec[i] {
 				continue LOOP1
@@ -170,7 +174,7 @@ func (s *contentNodeShifter) Shift(n contentNode, siteVector sitesmatrix.Vector,
 		}
 		// The exact match is an auto page (not backed by a file).
 		// Check if there's a file-backed complement that should take precedence.
-		if vvv := cnh.findContentNodeForSiteVector(siteVector, fallback, contentNodeToSeq(n)); vvv != nil {
+		if vvv := cnh.findContentNodeForSiteVector(siteVector, fallback, cnh.contentNodeToSeq(n)); vvv != nil {
 			return vvv, true
 		}
 		return exact, true
@@ -180,7 +184,7 @@ func (s *contentNodeShifter) Shift(n contentNode, siteVector sitesmatrix.Vector,
 		return nil, false
 	}
 
-	if vvv := cnh.findContentNodeForSiteVector(siteVector, fallback, contentNodeToSeq(n)); vvv != nil {
+	if vvv := cnh.findContentNodeForSiteVector(siteVector, fallback, cnh.contentNodeToSeq(n)); vvv != nil {
 		return vvv, true
 	}
 

hugolib/content_map_page_contentnodeshifter_test.go

@@ -0,0 +1,79 @@
+// Copyright 2025 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package hugolib
+
+import (
+	"testing"
+
+	qt "github.com/frankban/quicktest"
+	"github.com/gohugoio/hugo/hugolib/sitesmatrix"
+)
+
+type testContentNodeForSite struct {
+	vec sitesmatrix.Vector
+}
+
+func (n *testContentNodeForSite) Path() string                   { return "/test" }
+func (n *testContentNodeForSite) nodeCategorySingle()            {}
+func (n *testContentNodeForSite) siteVector() sitesmatrix.Vector { return n.vec }
+func (n *testContentNodeForSite) forEeachContentNode(f func(sitesmatrix.Vector, contentNode) bool) bool {
+	return f(n.vec, n)
+}
+
+// See issue 15207.
+func TestContentNodeShifterDeleteMultipleFromNodes(t *testing.T) {
+	c := qt.New(t)
+
+	s := &contentNodeShifter{}
+	vec := sitesmatrix.Vector{2, 0, 0}
+	other := sitesmatrix.Vector{1, 0, 0}
+
+	newNodes := func() contentNodes {
+		return contentNodes{
+			&testContentNodeForSite{vec: other},
+			&testContentNodeForSite{vec: vec},
+			&testContentNodeForSite{vec: other},
+			&testContentNodeForSite{vec: other},
+			&testContentNodeForSite{vec: vec},
+		}
+	}
+
+	updated, deleted, wasDeleted, isEmpty := s.Delete(newNodes(), vec)
+	c.Assert(wasDeleted, qt.IsTrue)
+	c.Assert(isEmpty, qt.IsFalse)
+	c.Assert(deleted.(contentNodes), qt.HasLen, 2)
+	remaining := updated.(contentNodes)
+	c.Assert(remaining, qt.HasLen, 3)
+	for _, n := range remaining {
+		c.Assert(n.(contentNodeForSite).siteVector(), qt.Equals, other)
+	}
+
+	// Delete all.
+	updated, deleted, wasDeleted, isEmpty = s.Delete(contentNodes{
+		&testContentNodeForSite{vec: vec},
+		&testContentNodeForSite{vec: vec},
+	}, vec)
+	c.Assert(wasDeleted, qt.IsTrue)
+	c.Assert(isEmpty, qt.IsTrue)
+	c.Assert(deleted.(contentNodes), qt.HasLen, 2)
+	c.Assert(updated, qt.IsNil)
+
+	// Delete none.
+	nodes := contentNodes{&testContentNodeForSite{vec: other}}
+	updated, deleted, wasDeleted, isEmpty = s.Delete(nodes, vec)
+	c.Assert(wasDeleted, qt.IsFalse)
+	c.Assert(isEmpty, qt.IsFalse)
+	c.Assert(deleted, qt.IsNil)
+	c.Assert(updated.(contentNodes), qt.HasLen, 1)
+}

hugolib/doctree/nodeshiftree_test.go

@@ -258,12 +258,15 @@ func (s *testShifter) Insert(old, new *testValue) (*testValue, *testValue, bool)
 	return new, old, true
 }
 
-func (s *testShifter) Delete(n *testValue, dimension sitesmatrix.Vector) (*testValue, bool, bool) {
-	return nil, true, true
+func (s *testShifter) Delete(n *testValue, dimension sitesmatrix.Vector) (*testValue, *testValue, bool, bool) {
+	return nil, n, true, true
 }
 
-func (s *testShifter) DeleteFunc(v *testValue, f func(*testValue) bool) bool {
-	return f(v)
+func (s *testShifter) DeleteFunc(v *testValue, f func(*testValue) bool) (*testValue, bool) {
+	if f(v) {
+		return nil, true
+	}
+	return v, false
 }
 
 func (s *testShifter) Shift(n *testValue, dimension sitesmatrix.Vector, fallback bool) (v *testValue, ok bool) {

hugolib/doctree/nodeshifttree.go

@@ -49,12 +49,14 @@ type (
 		// and a bool indicating if an existing record is updated.
 		Insert(old, new T) (T, T, bool)
 
-		// Delete deletes T from the given dimension and returns the deleted T and whether the dimension was deleted and if  it's empty after the delete.
-		Delete(v T, dimension sitesmatrix.Vector) (T, bool, bool)
+		// Delete deletes T from the given dimension.
+		// It returns the updated T, the deleted T, whether anything was deleted
+		// and whether T is empty after the delete.
+		Delete(v T, dimension sitesmatrix.Vector) (T, T, bool, bool)
 
-		// DeleteFunc deletes nodes in v from the tree where the given function returns true.
-		// It returns true if it's empty after the delete.
-		DeleteFunc(v T, f func(n T) bool) bool
+		// DeleteFunc deletes nodes in v where the given function returns true.
+		// It returns the updated T and whether it's empty after the delete.
+		DeleteFunc(v T, f func(n T) bool) (T, bool)
 
 		// Shift shifts v into the given dimension,
 		// if fallback is true, it will fall back a fallback match if found.
@@ -118,7 +120,7 @@ func (r *NodeShiftTree[T]) DeleteFuncRaw(key string, f func(T) bool) (T, int) {
 		return lastDeleted, count
 	}
 
-	isEmpty := r.shifter.DeleteFunc(v, func(n T) bool {
+	updated, isEmpty := r.shifter.DeleteFunc(v, func(n T) bool {
 		if f(n) {
 			count++
 			lastDeleted = n
@@ -129,6 +131,8 @@ func (r *NodeShiftTree[T]) DeleteFuncRaw(key string, f func(T) bool) (T, int) {
 
 	if isEmpty {
 		r.tree.Delete(key)
+	} else if count > 0 {
+		r.tree.Insert(key, updated)
 	}
 
 	return lastDeleted, count
@@ -161,10 +165,15 @@ func (r *NodeShiftTree[T]) delete(key string) (T, bool) {
 	var wasDeleted bool
 	var deleted T
 	if v, ok := r.tree.Get(key); ok {
-		var isEmpty bool
-		deleted, wasDeleted, isEmpty = r.shifter.Delete(v, r.siteVector)
+		var (
+			updated T
+			isEmpty bool
+		)
+		updated, deleted, wasDeleted, isEmpty = r.shifter.Delete(v, r.siteVector)
 		if isEmpty {
 			r.tree.Delete(key)
+		} else if wasDeleted {
+			r.tree.Insert(key, updated)
 		}
 	}
 	return deleted, wasDeleted

hugolib/doctree/support.go

@@ -16,6 +16,7 @@ package doctree
 import (
 	"fmt"
 	"iter"
+	"slices"
 	"strings"
 	"sync"
 
@@ -251,8 +252,8 @@ func (ctx *WalkContext[T]) HandleEvents() error {
 		// Loop the event handlers in reverse order so
 		// that events created by the handlers themselves will
 		// be picked up further up the tree.
-		for i := len(ctx.eventHandlers[event.Name]) - 1; i >= 0; i-- {
-			ctx.eventHandlers[event.Name][i](event)
+		for _, v := range slices.Backward(ctx.eventHandlers[event.Name]) {
+			v(event)
 			if event.stopPropagation {
 				break
 			}

hugolib/filesystems/basefs.go

@@ -426,16 +426,10 @@ func (d *SourceFilesystem) RealFilename(rel string) string {
 }
 
 // Contains returns whether the given filename is a member of the current filesystem.
+// It's stat-free, so it also works for deleted files.
 func (d *SourceFilesystem) Contains(filename string) bool {
-	for _, dir := range d.mounts() {
-		if !dir.IsDir() {
-			continue
-		}
-		if strings.HasPrefix(filename, dir.Meta().Filename) {
-			return true
-		}
-	}
-	return false
+	cps, _ := d.ReverseLookup(filename, false)
+	return len(cps) > 0
 }
 
 // RealDirs gets a list of absolute paths to directories starting from the given

hugolib/hugo_sites_build.go

@@ -1080,6 +1080,8 @@ func (h *HugoSites) processPartialFileEvents(ctx context.Context, l logg.LevelLo
 			changes = append(changes, identity.GenghisKhan)
 		case files.ComponentFolderArchetypes:
 			// Ignore for now.
+		case files.ComponentFolderStatic:
+			// Handled by the static file syncer.
 		default:
 			panic(fmt.Sprintf("unknown component: %q", pathInfo.Component()))
 		}

hugolib/integrationtest_builder.go

@@ -231,11 +231,12 @@ type IntegrationTestBuilder struct {
 
 	Cfg IntegrationTestConfig
 
-	changedFiles []string
-	createdFiles []string
-	removedFiles []string
-	renamedFiles []string
-	renamedDirs  []string
+	changedFiles     []string
+	createdFiles     []string
+	removedFiles     []string
+	renamedFiles     []string
+	atomicSavedFiles []string
+	renamedDirs      []string
 
 	buildCount   int
 	GCCount      int
@@ -748,6 +749,14 @@ func (s *IntegrationTestBuilder) EditFileReplaceAll(filename, old, new string) *
 	})
 }
 
+// EditFileAtomicReplaceAll edits a file and simulates an editor atomic save by
+// emitting a fsnotify.Remove event for an existing path (see changeEvents).
+func (s *IntegrationTestBuilder) EditFileAtomicReplaceAll(filename, old, new string) *IntegrationTestBuilder {
+	return s.EditFileAtomicReplaceFunc(filename, func(s string) string {
+		return strings.ReplaceAll(s, old, new)
+	})
+}
+
 func (s *IntegrationTestBuilder) EditFileReplaceFunc(filename string, replacementFunc func(s string) string) *IntegrationTestBuilder {
 	absFilename := s.absFilename(filename)
 	b, err := afero.ReadFile(s.fs.Source, absFilename)
@@ -758,6 +767,16 @@ func (s *IntegrationTestBuilder) EditFileReplaceFunc(filename string, replacemen
 	return s
 }
 
+func (s *IntegrationTestBuilder) EditFileAtomicReplaceFunc(filename string, replacementFunc func(s string) string) *IntegrationTestBuilder {
+	absFilename := s.absFilename(filename)
+	b, err := afero.ReadFile(s.fs.Source, absFilename)
+	s.Assert(err, qt.IsNil)
+	s.atomicSavedFiles = append(s.atomicSavedFiles, absFilename)
+	oldContent := string(b)
+	s.writeSource(absFilename, replacementFunc(oldContent))
+	return s
+}
+
 func (s *IntegrationTestBuilder) EditFileAppend(filename, contnt string) *IntegrationTestBuilder {
 	absFilename := s.absFilename(filename)
 	b, err := afero.ReadFile(s.fs.Source, absFilename)
@@ -905,8 +924,9 @@ func (s *IntegrationTestBuilder) initBuilder() error {
 
 		if s.Cfg.Running {
 			flags.Set("internal", hmaps.Params{
-				"running": s.Cfg.Running,
-				"watch":   s.Cfg.Running,
+				"running":        s.Cfg.Running,
+				"watch":          s.Cfg.Running,
+				"fastRenderMode": s.Cfg.FastRenderMode,
 			})
 		} else if s.Cfg.Watching {
 			flags.Set("internal", hmaps.Params{
@@ -1043,6 +1063,7 @@ func (s *IntegrationTestBuilder) reset() {
 	s.createdFiles = nil
 	s.removedFiles = nil
 	s.renamedFiles = nil
+	s.atomicSavedFiles = nil
 }
 
 func (s *IntegrationTestBuilder) build(cfg BuildCfg) error {
@@ -1091,6 +1112,15 @@ func (s *IntegrationTestBuilder) changeEvents() []fsnotify.Event {
 		})
 	}
 
+	for _, v := range s.atomicSavedFiles {
+		events = append(events, fsnotify.Event{
+			Name: v,
+			// The watcher was watching the inode that got replaced by the rename,
+			// so we get a Remove for a file that's still on disk.
+			Op: fsnotify.Remove,
+		})
+	}
+
 	for _, v := range s.renamedDirs {
 		events = append(events, fsnotify.Event{
 			Name: v,
@@ -1150,23 +1180,7 @@ func (s *IntegrationTestBuilder) readFileFromFs(t testing.TB, fs afero.Fs, filen
 	t.Helper()
 	filename = filepath.Clean(filename)
 	b, err := afero.ReadFile(fs, filename)
-	if err != nil {
-		// Print some debug info
-		hadSlash := strings.HasPrefix(filename, helpers.FilePathSeparator)
-		start := 0
-		if hadSlash {
-			start = 1
-		}
-		end := start + 1
-
-		parts := strings.Split(filename, helpers.FilePathSeparator)
-		if parts[start] == "work" {
-			end++
-		}
-
-		s.Assert(err, qt.IsNil)
-
-	}
+	s.Assert(err, qt.IsNil)
 	return string(b)
 }
 
@@ -1203,6 +1217,10 @@ type IntegrationTestConfig struct {
 	// Whether to simulate server mode.
 	Running bool
 
+	// Whether to simulate the server's fast render mode.
+	// Only used when Running is set.
+	FastRenderMode bool
+
 	// Watch for changes.
 	// This is (currently) always set to true when Running is set.
 	// Note that the CLI for the server does allow for --watch=false, but that is not used in these test.

hugolib/page.go

@@ -19,7 +19,6 @@ import (
 	"iter"
 	"path/filepath"
 	"slices"
-	"strconv"
 	"strings"
 	"sync/atomic"
 
@@ -174,10 +173,6 @@ func (ps *pageState) Param(key any) (any, error) {
 	return resource.Param(ps, ps.s.Params(), key)
 }
 
-func (ps *pageState) Key() string {
-	return "page-" + strconv.FormatUint(ps.pid, 10)
-}
-
 // RelatedKeywords implements the related.Document interface needed for fast page searches.
 func (ps *pageState) RelatedKeywords(cfg related.IndexConfig) ([]related.Keyword, error) {
 	v, found, err := page.NamedPageMetaValue(ps, cfg.Name)
@@ -225,10 +220,7 @@ func (ps *pageState) forEeachContentNode(f func(v sitesmatrix.Vector, n contentN
 }
 
 func (ps *pageState) contentWeight() int {
-	if ps.m.f == nil {
-		return 0
-	}
-	return ps.m.f.FileInfo().Meta().Weight
+	return ps.m.pageMetaSource.contentWeight()
 }
 
 func (ps *pageState) nodeSourceEntryID() any {
@@ -340,10 +332,8 @@ func (ps *pageState) RegularPagesRecursive() page.Pages {
 	case kinds.KindSection, kinds.KindHome:
 		return ps.s.pageMap.getPagesInSection(
 			pageMapQueryPagesInSection{
-				pageMapQueryPagesBelowPath: pageMapQueryPagesBelowPath{
-					Path:    ps.Path(),
-					Include: pagePredicates.ShouldListLocal.And(pagePredicates.KindPage).BoolFunc(),
-				},
+				Path:      ps.Path(),
+				Include:   pagePredicates.ShouldListLocal.And(pagePredicates.KindPage).BoolFunc(),
 				Recursive: true,
 			},
 		)
@@ -362,10 +352,8 @@ func (ps *pageState) RegularPages() page.Pages {
 	case kinds.KindSection, kinds.KindHome, kinds.KindTaxonomy:
 		return ps.s.pageMap.getPagesInSection(
 			pageMapQueryPagesInSection{
-				pageMapQueryPagesBelowPath: pageMapQueryPagesBelowPath{
-					Path:    ps.Path(),
-					Include: pagePredicates.ShouldListLocal.And(pagePredicates.KindPage).BoolFunc(),
-				},
+				Path:    ps.Path(),
+				Include: pagePredicates.ShouldListLocal.And(pagePredicates.KindPage).BoolFunc(),
 			},
 		)
 	case kinds.KindTerm:
@@ -387,13 +375,11 @@ func (ps *pageState) Pages() page.Pages {
 	case kinds.KindSection, kinds.KindHome:
 		return ps.s.pageMap.getPagesInSection(
 			pageMapQueryPagesInSection{
-				pageMapQueryPagesBelowPath: pageMapQueryPagesBelowPath{
-					Path:    ps.Path(),
-					KeyPart: "page-section",
-					Include: pagePredicates.ShouldListLocal.And(
-						pagePredicates.KindPage.Or(pagePredicates.KindSection),
-					).BoolFunc(),
-				},
+				Path:    ps.Path(),
+				KeyPart: "page-section",
+				Include: pagePredicates.ShouldListLocal.And(
+					pagePredicates.KindPage.Or(pagePredicates.KindSection),
+				).BoolFunc(),
 			},
 		)
 	case kinds.KindTerm:
@@ -405,11 +391,9 @@ func (ps *pageState) Pages() page.Pages {
 	case kinds.KindTaxonomy:
 		return ps.s.pageMap.getPagesInSection(
 			pageMapQueryPagesInSection{
-				pageMapQueryPagesBelowPath: pageMapQueryPagesBelowPath{
-					Path:    ps.Path(),
-					KeyPart: "term",
-					Include: pagePredicates.ShouldListLocal.And(pagePredicates.KindTerm).BoolFunc(),
-				},
+				Path:      ps.Path(),
+				KeyPart:   "term",
+				Include:   pagePredicates.ShouldListLocal.And(pagePredicates.KindTerm).BoolFunc(),
 				Recursive: true,
 			},
 		)

hugolib/page__content.go

@@ -807,13 +807,13 @@ func (c *cachedContentScope) contentPlain(ctx context.Context) (contentPlainPlai
 
 		// TODO(bep) is set in a test. Fix that.
 		if result.fuzzyWordCount == 0 {
-			result.fuzzyWordCount = (result.wordCount + 100) / 100 * 100
+			result.fuzzyWordCount = (result.wordCount + 99) / 100 * 100
 		}
 
 		if isCJKLanguage {
-			result.readingTime = (result.wordCount + 500) / 501
+			result.readingTime = (result.wordCount + 499) / 500
 		} else {
-			result.readingTime = (result.wordCount + 212) / 213
+			result.readingTime = (result.wordCount + 211) / 212
 		}
 
 		rs.Value = result
@@ -941,10 +941,8 @@ func (c *cachedContentScope) RenderString(ctx context.Context, args ...any) (tem
 
 	if pageparser.HasShortcode(contentToRender) {
 		ct := contentTableOfContents{
-			sourceInfo: sourceInfo{
-				filename: pco.po.p.pathOrTitle() + " (rendered from string)",
-				source:   []byte(contentToRender),
-			},
+			filename: pco.po.p.pathOrTitle() + " (rendered from string)",
+			source:   []byte(contentToRender),
 		}
 		ct.contentToRender = ct.source
 		// String contains a shortcode.

hugolib/page__meta.go

@@ -21,7 +21,6 @@ import (
 	"strings"
 	"time"
 
-	"github.com/bep/logg"
 	"github.com/gobuffalo/flect"
 	"github.com/gohugoio/hugo/hugofs"
 	"github.com/gohugoio/hugo/hugofs/files"
@@ -98,6 +97,13 @@ func (m *pageMetaSource) String() string {
 	return fmt.Sprintf("pageMetaSource(%s)", m.pathInfo)
 }
 
+func (m *pageMetaSource) contentWeight() int {
+	if m.f == nil {
+		return 0
+	}
+	return m.f.FileInfo().Meta().Weight
+}
+
 func (m *pageMetaSource) nodeCategoryPage() {
 	// Marker method.
 }
@@ -693,16 +699,6 @@ params:
 			continue
 		}
 
-		if loki == "path" || loki == "kind" || loki == "lang" {
-			// See issue 12484.
-			// Only warn when the key was set at the top level of the
-			// original front matter; cascade.params can legitimately carry
-			// these names as user params (issue 14848).
-			if _, ok := pm.pageConfigSource.Frontmatter[loki]; ok {
-				hugo.DeprecateLevelMin(loki+" in front matter", "", "v0.144.0", logg.LevelWarn)
-			}
-		}
-
 		switch loki {
 		case "title":
 			pcfg.Title = cast.ToString(v)

hugolib/page__output.go

@@ -149,6 +149,11 @@ func (po *pageOutput) Aliases() []string {
 	return aliases
 }
 
+// Key returns a unique key for this page output, used to e.g. hashing.
+func (po *pageOutput) Key() string {
+	return po.p.Path() + po.f.Name
+}
+
 func (po *pageOutput) incrRenderState() {
 	po.renderState++
 	po.renderOnce = true

hugolib/page__per_output.go

@@ -104,21 +104,34 @@ func (pco *pageContentOutput) Reset() {
 	pco.renderHooks = &renderHooks{}
 }
 
-func (pco *pageContentOutput) Render(ctx context.Context, layout ...string) (template.HTML, error) {
-	if len(layout) == 0 {
-		return "", errors.New("no layout given")
+func (pco *pageContentOutput) Render(ctx context.Context, args ...any) (template.HTML, error) {
+	if len(args) == 0 {
+		return "", errors.New("no view given")
 	}
-	templ, found, err := pco.po.p.resolveTemplate(layout...)
+	if len(args) > 2 {
+		return "", errors.New("too many arguments, expected VIEW [CONTEXT]")
+	}
+	view, err := cast.ToStringE(args[0])
+	if err != nil {
+		return "", fmt.Errorf("failed to convert view argument to string: %w", err)
+	}
+
+	// Make sure to send the *pageState and not the *pageContentOutput to the template.
+	var data any = pco.po.p
+	if len(args) == 2 {
+		data = args[1]
+	}
+
+	templ, found, err := pco.po.p.resolveTemplate(view)
 	if err != nil {
 		return "", pco.po.p.wrapError(err)
 	}
 
 	if !found {
-		return "", fmt.Errorf("template %q not found", layout[0])
+		return "", fmt.Errorf("template %q not found", view)
 	}
 
-	// Make sure to send the *pageState and not the *pageContentOutput to the template.
-	res, err := executeToString(ctx, pco.po.p.s.GetTemplateStore(), templ, pco.po.p)
+	res, err := executeToString(ctx, pco.po.p.s.GetTemplateStore(), templ, data)
 	if err != nil {
 		return "", pco.po.p.wrapError(fmt.Errorf("failed to execute template %s: %w", templ.Name(), err))
 	}

hugolib/page_test.go

@@ -412,7 +412,8 @@ baseURL = "http://example.com/"
 	p := b.H.Sites[0].RegularPages()[0]
 
 	b.Assert(p.Summary(context.Background()), qt.Equals, template.HTML(
-		"<p>The <a href=\"http://gohugo.io/\">best static site generator</a>.<sup id=\"fnref:1\"><a href=\"#fn:1\" class=\"footnote-ref\" role=\"doc-noteref\">1</a></sup></p>"))
+		"<p>The <a href=\"http://gohugo.io/\">best static site generator</a>.<sup id=\"fnref:1\"><a href=\"#fn:1\" class=\"footnote-ref\" role=\"doc-noteref\">1</a></sup></p>",
+	))
 
 	cnt := content(p)
 	b.Assert(cnt, qt.Equals, "<p>The <a href=\"http://gohugo.io/\">best static site generator</a>.<sup id=\"fnref:1\"><a href=\"#fn:1\" class=\"footnote-ref\" role=\"doc-noteref\">1</a></sup></p>\n<div class=\"footnotes\" role=\"doc-endnotes\">\n<hr>\n<ol>\n<li id=\"fn:1\">\n<p>Many people say so.&#160;<a href=\"#fnref:1\" class=\"footnote-backref\" role=\"doc-backlink\">&#x21a9;&#xfe0e;</a></p>\n</li>\n</ol>\n</div>")
@@ -730,7 +731,8 @@ This is **content**.
 Summary: {{ .Summary }}|Truncated: {{ .Truncated }}|
 Content: {{ .Content }}|
 
-`).AssertFileContent("public/simple/index.html",
+`).AssertFileContent(
+		"public/simple/index.html",
 		"Summary: <p>This is <strong>summary</strong>.</p>|",
 		"Truncated: true|",
 		"Content: <p>This is <strong>summary</strong>.</p>\n<p>This is <strong>content</strong>.</p>|",
@@ -1286,13 +1288,15 @@ AllTranslations: {{ range .AllTranslations }}{{ .Language.Lang }}|{{ end }}|
 
 `
 	b := Test(t, files)
-	b.AssertFileContent("public/en/sect/p1/index.html",
+	b.AssertFileContent(
+		"public/en/sect/p1/index.html",
 		"TranslationKey: adfasdf|",
 		"AllTranslations: en|nn||",
 		"Translations: nn||",
 	)
 
-	b.AssertFileContent("public/nn/sect/p1/index.html",
+	b.AssertFileContent(
+		"public/nn/sect/p1/index.html",
 		"TranslationKey: adfasdf|",
 		"Translations: en||",
 		"AllTranslations: en|nn||",
@@ -1378,12 +1382,14 @@ Resources: {{ range .Resources }}{{ .RelPermalink }}|{{ .Content }}|{{ end }}|
 
 `
 	b := Test(t, files)
-	b.AssertFileContent("public/en/sect/mybundle_en/index.html",
+	b.AssertFileContent(
+		"public/en/sect/mybundle_en/index.html",
 		"TranslationKey: adfasdf|",
 		"Resources: /en/sect/mybundle_en/f1.txt|f1.en|/en/sect/mybundle_en/f2.txt|f2.en||",
 	)
 
-	b.AssertFileContent("public/nn/sect/mybundle_nn/index.html",
+	b.AssertFileContent(
+		"public/nn/sect/mybundle_nn/index.html",
 		"TranslationKey: adfasdf|",
 		"Title: mybundle nn|TranslationKey: adfasdf|\nResources: /en/sect/mybundle_en/f1.txt|f1.en|/nn/sect/mybundle_nn/f2.nn.txt|f2.nn||",
 	)
@@ -1497,31 +1503,37 @@ CONTENT:{{ .Content }}
 `
 	b := Test(t, files)
 
-	b.AssertFileContent("public/page-md-shortcode/index.html",
+	b.AssertFileContent(
+		"public/page-md-shortcode/index.html",
 		"SUMMARY:<p>This is a a shortcode.</p>:END",
 		"CONTENT:<p>This is a a shortcode.</p>\n\n<p>Content.</p>\n",
 	)
 
-	b.AssertFileContent("public/page-md-shortcode-same-line/index.html",
+	b.AssertFileContent(
+		"public/page-md-shortcode-same-line/index.html",
 		"SUMMARY:<p>This is a a shortcode</p>:END",
 		"CONTENT:<p>This is a a shortcode</p>\n\n<p>Same line.</p>\n",
 	)
 
-	b.AssertFileContent("public/page-md-shortcode-same-line-after/index.html",
+	b.AssertFileContent(
+		"public/page-md-shortcode-same-line-after/index.html",
 		"SUMMARY:<p>Summary</p>:END",
 		"CONTENT:<p>Summary</p>\n\na shortcode",
 	)
 
-	b.AssertFileContent("public/page-org-shortcode/index.html",
+	b.AssertFileContent(
+		"public/page-org-shortcode/index.html",
 		"SUMMARY:<p>\nThis is a a shortcode.\n</p>:END",
 		"CONTENT:<p>\nThis is a a shortcode.\n</p>\n<p>\nContent.\t\n</p>\n",
 	)
-	b.AssertFileContent("public/page-org-variant1/index.html",
+	b.AssertFileContent(
+		"public/page-org-variant1/index.html",
 		"SUMMARY:<p>\nSummary.\n</p>:END",
 		"CONTENT:<p>\nSummary.\n</p>\n<p>\nContent.\t\n</p>\n",
 	)
 
-	b.AssertFileContent("public/page-md-only-shortcode/index.html",
+	b.AssertFileContent(
+		"public/page-md-only-shortcode/index.html",
 		"SUMMARY:a shortcode:END",
 		"CONTENT:a shortcode\n\na shortcode\n",
 	)
@@ -1731,7 +1743,8 @@ c: {{ .Scratch.Get "c" }}
 
 	b := Test(t, files)
 
-	b.AssertFileContent("public/index.html",
+	b.AssertFileContent(
+		"public/index.html",
 		".Scratch eq .Store: true",
 		"a: b",
 		"c: d",
@@ -1900,6 +1913,56 @@ func TestRenderWithoutArgument(t *testing.T) {
 	b.Assert(err, qt.IsNotNil)
 }
 
+// See issue 15077.
+func TestRenderWithContext(t *testing.T) {
+	t.Parallel()
+
+	files := `
+-- hugo.toml --
+-- content/p1.md --
+---
+title: "P1"
+---
+-- layouts/page.html --
+{{ .Render "li" }}|{{ .Render "li" (dict "Title" "Custom") }}
+-- layouts/li.html --
+Title: {{ .Title }}{{- /**/ -}}
+`
+
+	b := Test(t, files)
+
+	b.AssertFileContent("public/p1/index.html", "Title: P1|Title: Custom")
+}
+
+// See issue 15077.
+func TestRenderWithContextErrors(t *testing.T) {
+	t.Parallel()
+
+	filesTemplate := `
+-- hugo.toml --
+-- content/p1.md --
+---
+title: "P1"
+---
+-- layouts/li.html --
+li
+-- layouts/page.html --
+RENDER
+`
+
+	for _, test := range []struct {
+		render  string
+		message string
+	}{
+		{`{{ .Render "li" "foo" "bar" }}`, `(?s).*too many arguments, expected VIEW \[CONTEXT\].*`},
+		{`{{ .Render (slice "li") }}`, `(?s).*failed to convert view argument to string: unable to cast \[\]string{"li"} of type \[\]string to string.*`},
+	} {
+		files := strings.ReplaceAll(filesTemplate, "RENDER", test.render)
+		b, err := TestE(t, files)
+		b.Assert(err, qt.ErrorMatches, test.message)
+	}
+}
+
 // Issue #13021
 func TestAllStores(t *testing.T) {
 	t.Parallel()
@@ -1928,7 +1991,8 @@ Site: {{ site.Store.Get "Site" }}|
 
 	b := TestRunning(t, files)
 
-	b.AssertFileContent("public/index.html",
+	b.AssertFileContent(
+		"public/index.html",
 		`
 Shortcode: sh-Home|
 Page: p-Home|
@@ -1939,7 +2003,8 @@ Hugo: h-Home|
 
 	b.EditFileReplaceAll("content/_index.md", "Home", "Homer").Build()
 
-	b.AssertFileContent("public/index.html",
+	b.AssertFileContent(
+		"public/index.html",
 		`
 Shortcode: sh-Homer|
 Page: p-Homer|
@@ -2149,7 +2214,8 @@ EF
 
 	b := Test(t, files)
 
-	b.AssertFileContent("public/s1/p1/index.html",
+	b.AssertFileContent(
+		"public/s1/p1/index.html",
 		"ab|ab|ab",
 		"cD|cD|cD",
 		"EF|EF|EF",
@@ -2341,3 +2407,104 @@ layouts/s1/p3/_views/a.html
 	b.AssertFileContent("public/s1/p2/index.html", "p2: layouts/s1/_views/a.html")    // fails
 	b.AssertFileContent("public/s1/p3/index.html", "p3: layouts/s1/p3/_views/a.html") // fails
 }
+
+func TestPageConttentWeight(t *testing.T) {
+	files := `
+-- hugo.toml --
+-- content/mysection/page1.md --
+-- content/myothersection/page2.md --
+-- content/myothersection/_index.md --
+-- layouts/all.html --
+All.
+`
+	b := Test(t, files)
+
+	check := func(p page.Page, ok bool) {
+		cw := p.(contentNodeContentWeightProvider).contentWeight()
+		b.Assert(ok, qt.Equals, cw > 0)
+	}
+
+	s := b.H.Sites[0]
+	for _, p := range s.RegularPages() {
+		check(p, true)
+	}
+	check(s.home, false)
+	mysection, _ := s.GetPage("mysection")
+	check(mysection, false)
+	myothersection, _ := s.GetPage("myothersection") // backed by a content file.
+	check(myothersection, true)
+}
+
+// See issue 15206.
+func TestReadingTimeAndFuzzyWordCountBoundaries(t *testing.T) {
+	t.Parallel()
+
+	files := `
+-- hugo.toml --
+disableKinds = ["home", "section", "taxonomy", "term", "rss", "sitemap"]
+-- content/p99.md --
+---
+title: p99
+---
+` + strings.Repeat("word ", 99) + `
+-- content/p100.md --
+---
+title: p100
+---
+` + strings.Repeat("word ", 100) + `
+-- content/p101.md --
+---
+title: p101
+---
+` + strings.Repeat("word ", 101) + `
+-- content/p211.md --
+---
+title: p211
+---
+` + strings.Repeat("word ", 211) + `
+-- content/p212.md --
+---
+title: p212
+---
+` + strings.Repeat("word ", 212) + `
+-- content/p213.md --
+---
+title: p213
+---
+` + strings.Repeat("word ", 213) + `
+-- content/p499.md --
+---
+title: p499
+isCJKLanguage: true
+---
+` + strings.Repeat("你", 499) + `
+-- content/p500.md --
+---
+title: p500
+isCJKLanguage: true
+---
+` + strings.Repeat("你", 500) + `
+-- content/p501.md --
+---
+title: p501
+isCJKLanguage: true
+---
+` + strings.Repeat("你", 501) + `
+-- layouts/page.html --
+{{ .WordCount }}|{{ .FuzzyWordCount }}|{{ .ReadingTime }}
+`
+
+	b := Test(t, files)
+
+	b.AssertFileContent("public/p99/index.html", "99|100|1")
+	b.AssertFileContent("public/p100/index.html", "100|100|1")
+	b.AssertFileContent("public/p101/index.html", "101|200|1")
+
+	b.AssertFileContent("public/p211/index.html", "211|300|1")
+	b.AssertFileContent("public/p212/index.html", "212|300|1")
+	b.AssertFileContent("public/p213/index.html", "213|300|2")
+
+	b.AssertFileContent("public/p499/index.html", "499|500|1")
+	b.AssertFileContent("public/p500/index.html", "500|500|1")
+	b.AssertFileContent("public/p501/index.html", "501|600|2")
+}

hugolib/rebuild_test.go

@@ -897,6 +897,17 @@ func TestRebuildEditSectionRemoveDate(t *testing.T) {
 	b.AssertFileContent("public/mysection/index.html", "all. My Section|Param: |Lastmod: 2021-02-01|")
 }
 
+// Atomic save (write temp file, then rename into place) of a section's branch bundle.
+// See issue 15130.
+func TestRebuildEditAtomicSection(t *testing.T) {
+	t.Parallel()
+	b := TestRunning(t, rebuildBasicFiles)
+	b.AssertFileContent("public/mysection/index.html", "My Section")
+	b.EditFileAtomicReplaceAll("content/mysection/_index.md", "My Section", "My Changed Section").Build()
+	b.AssertRenderCountPage(5)
+	b.AssertFileContent("public/mysection/index.html", "My Changed Section")
+}
+
 func TestRebuildVariations(t *testing.T) {
 	// t.Parallel() not supported, see https://github.com/fortytw2/leaktest/issues/4
 	// This leaktest seems to be a little bit shaky on Travis.
@@ -2170,3 +2181,160 @@ Foo.
 	b.EditFileReplaceAll("layouts/tags/list.html", "Foo", "Bar").Build()
 	b.AssertFileContent("public/tags/index.html", "Bar.")
 }
+
+// Atomic save (write temp file, then rename into place) of a content backed taxonomy root.
+// See issue 15130.
+func TestRebuildEditAtomicTaxonomyRoot(t *testing.T) {
+	t.Parallel()
+	files := `
+-- hugo.toml --
+baseURL = "https://example.com"
+disableLiveReload = true
+[taxonomies]
+object = "objects"
+-- content/objects/_index.md --
+---
+title: "Objects"
+---
+Objects content.
+-- content/p1.md --
+---
+title: "P1"
+objects: ["o1"]
+---
+-- layouts/all.html --
+{{ .Title }}|{{ .Kind }}|{{ .Content }}
+`
+	b := TestRunning(t, files)
+	b.AssertFileContent("public/objects/index.html", "Objects|taxonomy|<p>Objects content.</p>")
+	b.EditFileAtomicReplaceAll("content/objects/_index.md", "Objects content.", "Objects content edited.").Build()
+	b.AssertFileContent("public/objects/index.html", "Objects|taxonomy|<p>Objects content edited.</p>")
+	b.AssertFileContent("public/objects/o1/index.html", "O1|term|")
+}
+
+func TestRebuildEditMountedAssetOnlyRelPermalinkUsed(t *testing.T) {
+	files := `
+-- hugo.toml --
+baseURL = "https://example.com"
+disableLiveReload = true
+disableKinds = ["taxonomy", "term", "rss", "sitemap", "section"]
+[module]
+[[module.mounts]]
+source = "assets"
+target = "assets"
+[[module.mounts]]
+source = "out"
+target = "assets/out"
+-- out/data.json --
+{"version": "v1"}
+-- content/_index.md --
+---
+title: "Home"
+---
+-- content/mytext.txt --
+mytext v1
+-- layouts/home.html --
+{{ $data := resources.Get "out/data.json" | minify }}
+Data: {{ $data.RelPermalink }}|
+`
+	b := TestRunning(t, files)
+	b.AssertFileContent("public/index.html", "Data: /out/data.min.json|")
+	b.AssertFileContent("public/out/data.min.json", `{"version":"v1"}`)
+
+	// Simulate the periodic data refresh.
+	b.EditFileReplaceAll("out/data.json", "v1", "v2").Build()
+	b.AssertFileContent("public/out/data.min.json", `{"version":"v2"}`)
+
+	// An unrelated edit to a home bundle resource must not revert the
+	// published data to an older version.
+	b.EditFileReplaceAll("content/mytext.txt", "mytext v1", "mytext v2").Build()
+	b.AssertFileContent("public/out/data.min.json", `{"version":"v2"}`)
+
+	// One more refresh round.
+	b.EditFileReplaceAll("out/data.json", "v2", "v3").Build()
+	b.AssertFileContent("public/out/data.min.json", `{"version":"v3"}`)
+}
+
+func TestRebuildEditMountedAssetContentUsed(t *testing.T) {
+	files := `
+-- hugo.toml --
+baseURL = "https://example.com"
+disableLiveReload = true
+disableKinds = ["taxonomy", "term", "rss", "sitemap", "section"]
+[module]
+[[module.mounts]]
+source = "assets"
+target = "assets"
+[[module.mounts]]
+source = "out"
+target = "assets/out"
+-- out/data.json --
+{"version": "v1"}
+-- content/_index.md --
+---
+title: "Home"
+---
+-- content/mytext.txt --
+mytext v1
+-- layouts/home.html --
+{{ $data := resources.Get "out/data.json" | minify }}
+Data: {{ $data.RelPermalink }}|{{ $data.Content | safeHTML }}|
+`
+	b := TestRunning(t, files)
+	b.AssertFileContent("public/index.html", "Data: /out/data.min.json|")
+	b.AssertFileContent("public/out/data.min.json", `{"version":"v1"}`)
+
+	b.EditFileReplaceAll("out/data.json", "v1", "v2").Build()
+	b.AssertFileContent("public/out/data.min.json", `{"version":"v2"}`)
+	b.AssertFileContent("public/index.html", `{"version":"v2"}`)
+
+	b.EditFileReplaceAll("content/mytext.txt", "mytext v1", "mytext v2").Build()
+	b.AssertFileContent("public/out/data.min.json", `{"version":"v2"}`)
+
+	b.EditFileReplaceAll("out/data.json", "v2", "v3").Build()
+	b.AssertFileContent("public/out/data.min.json", `{"version":"v3"}`)
+	b.AssertFileContent("public/index.html", `{"version":"v3"}`)
+}
+
+func TestRebuildFastRenderEditMountedAssetNotRecentlyVisited(t *testing.T) {
+	files := `
+-- hugo.toml --
+baseURL = "https://example.com"
+disableLiveReload = true
+disableKinds = ["taxonomy", "term", "rss", "sitemap", "section"]
+[module]
+[[module.mounts]]
+source = "assets"
+target = "assets"
+[[module.mounts]]
+source = "out"
+target = "assets/out"
+-- out/data.json --
+{"version": "v1"}
+-- content/_index.md --
+---
+title: "Home"
+---
+-- content/p1.md --
+---
+title: "P1"
+---
+-- layouts/home.html --
+{{ $data := resources.Get "out/data.json" | minify }}
+Data: {{ $data.RelPermalink }}|
+-- layouts/single.html --
+Single: {{ .Title }}|
+`
+	recentlyVisited := types.NewEvictingQueue[string](20).Add("/p1/")
+	b := TestRunning(t, files, func(cfg *IntegrationTestConfig) {
+		cfg.FastRenderMode = true
+		cfg.BuildCfg = BuildCfg{RecentlyTouched: recentlyVisited}
+	})
+
+	b.AssertFileContent("public/index.html", "Data: /out/data.min.json|")
+	b.AssertFileContent("public/out/data.min.json", `{"version":"v1"}`)
+
+	// Simulate the periodic data refresh.
+	b.EditFileReplaceAll("out/data.json", "v1", "v2").Build()
+	b.AssertFileContent("public/out/data.min.json", `{"version":"v2"}`)
+}

hugolib/site.go

@@ -759,11 +759,9 @@ func (s *Site) Pages() page.Pages {
 	s.CheckReady()
 	return s.pageMap.getPagesInSection(
 		pageMapQueryPagesInSection{
-			pageMapQueryPagesBelowPath: pageMapQueryPagesBelowPath{
-				Path:    "",
-				KeyPart: "global",
-				Include: pagePredicates.ShouldListGlobal.BoolFunc(),
-			},
+			Path:        "",
+			KeyPart:     "global",
+			Include:     pagePredicates.ShouldListGlobal.BoolFunc(),
 			Recursive:   true,
 			IncludeSelf: true,
 		},
@@ -776,11 +774,9 @@ func (s *Site) RegularPages() page.Pages {
 	s.CheckReady()
 	return s.pageMap.getPagesInSection(
 		pageMapQueryPagesInSection{
-			pageMapQueryPagesBelowPath: pageMapQueryPagesBelowPath{
-				Path:    "",
-				KeyPart: "global",
-				Include: pagePredicates.ShouldListGlobal.And(pagePredicates.KindPage).BoolFunc(),
-			},
+			Path:      "",
+			KeyPart:   "global",
+			Include:   pagePredicates.ShouldListGlobal.And(pagePredicates.KindPage).BoolFunc(),
 			Recursive: true,
 		},
 	)
@@ -922,11 +918,9 @@ func (s *Site) prepareInits() {
 
 		sections := s.pageMap.getPagesInSection(
 			pageMapQueryPagesInSection{
-				pageMapQueryPagesBelowPath: pageMapQueryPagesBelowPath{
-					Path:    "",
-					KeyPart: "sectionorhome",
-					Include: pagePredicates.KindSection.Or(pagePredicates.KindHome).BoolFunc(),
-				},
+				Path:        "",
+				KeyPart:     "sectionorhome",
+				Include:     pagePredicates.KindSection.Or(pagePredicates.KindHome).BoolFunc(),
 				IncludeSelf: true,
 				Recursive:   true,
 			},
@@ -1257,20 +1251,14 @@ func (h *HugoSites) fileEventsApplyInfo(events []fsnotify.Event) []fileEventInfo
 		removed := false
 		added := false
 
-		if ev.Op&fsnotify.Remove == fsnotify.Remove {
-			removed = true
-		}
-
 		fi, statErr := h.Fs.Source.Stat(ev.Name)
 
-		// Some editors (Vim) sometimes issue only a Rename operation when writing an existing file
-		// Sometimes a rename operation means that file has been renamed other times it means
-		// it's been updated.
-		if ev.Op.Has(fsnotify.Rename) {
-			// If the file is still on disk, it's only been updated, if it's not, it's been moved
-			if statErr != nil {
-				removed = true
-			}
+		// Some editors (Vim) sometimes issue only a Rename operation when writing an existing file,
+		// and an atomic save (write temp file, then rename it into place) makes the watcher
+		// report the replaced file as removed (kqueue/macOS).
+		// So, if the file is still on disk, it's only been updated, if it's not, it's gone.
+		if ev.Op.Has(fsnotify.Remove) || ev.Op.Has(fsnotify.Rename) {
+			removed = statErr != nil
 		}
 		if ev.Op.Has(fsnotify.Create) {
 			added = true
@@ -1470,12 +1458,10 @@ func (s *Site) assembleMenus() (navigation.Menus, error) {
 				return false, nil
 			}
 			me := navigation.MenuEntry{
-				MenuConfig: navigation.MenuConfig{
-					Identifier: id,
-					Name:       p.LinkTitle(),
-					Weight:     p.Weight(),
-				},
-				Page: p,
+				Identifier: id,
+				Name:       p.LinkTitle(),
+				Weight:     p.Weight(),
+				Page:       p,
 			}
 
 			navigation.SetPageValues(&me, p)
@@ -1514,9 +1500,7 @@ func (s *Site) assembleMenus() (navigation.Menus, error) {
 		if !ok {
 			// if parent does not exist, create one without a URL
 			flat[twoD{p.MenuName, p.EntryName}] = &navigation.MenuEntry{
-				MenuConfig: navigation.MenuConfig{
-					Name: p.EntryName,
-				},
+				Name: p.EntryName,
 			}
 		}
 		flat[twoD{p.MenuName, p.EntryName}].Children = childmenu

hugolib/sitesmatrix/vectorstores.go

@@ -14,7 +14,6 @@
 package sitesmatrix
 
 import (
-	"cmp"
 	"fmt"
 	"iter"
 	"maps"
@@ -780,7 +779,7 @@ func (b *IntSetsBuilder) Build() *IntSets {
 }
 
 func (b *IntSetsBuilder) WithConfig(cfg IntSetsConfig) *IntSetsBuilder {
-	applyFilter := func(what string, values []string, matcher ConfiguredDimension) (*hmaps.OrderedIntSet, error) {
+	applyFilter := func(what string, values []string, matcher ConfiguredDimension) *hmaps.OrderedIntSet {
 		var result *hmaps.OrderedIntSet
 		if len(values) == 0 {
 
@@ -800,16 +799,16 @@ func (b *IntSetsBuilder) WithConfig(cfg IntSetsConfig) *IntSetsBuilder {
 				}
 			}
 
-			return result, nil
+			return result
 		}
 
 		filter, err := predicate.NewIndexStringPredicateFromGlobsAndRanges(values, matcher.ResolveIndex, hglob.GetGlobDot)
 		if err != nil {
-			return nil, fmt.Errorf("failed to create filter for %s: %w", what, err)
+			panic(fmt.Errorf("failed to create filter for %s: %w", what, err))
 		}
 		iter, err := matcher.IndexMatch(filter)
 		if err != nil {
-			return nil, fmt.Errorf("failed to match %s %q: %w", what, values, err)
+			panic(fmt.Errorf("failed to match %s %q: %w", what, values, err))
 		}
 		for i := range iter {
 			if result == nil {
@@ -818,16 +817,12 @@ func (b *IntSetsBuilder) WithConfig(cfg IntSetsConfig) *IntSetsBuilder {
 			result.Set(i)
 		}
 
-		return result, nil
+		return result
 	}
 
-	l, err1 := applyFilter("languages", cfg.Globs.Languages, b.cfg.ConfiguredLanguages)
-	v, err2 := applyFilter("versions", cfg.Globs.Versions, b.cfg.ConfiguredVersions)
-	r, err3 := applyFilter("roles", cfg.Globs.Roles, b.cfg.ConfiguredRoles)
-
-	if err := cmp.Or(err1, err2, err3); err != nil {
-		panic(fmt.Errorf("failed to apply filters: %w", err))
-	}
+	l := applyFilter("languages", cfg.Globs.Languages, b.cfg.ConfiguredLanguages)
+	v := applyFilter("versions", cfg.Globs.Versions, b.cfg.ConfiguredVersions)
+	r := applyFilter("roles", cfg.Globs.Roles, b.cfg.ConfiguredRoles)
 
 	b.GlobFilterMisses = Bools{
 		len(cfg.Globs.Languages) > 0 && l == nil,

hugolib/template_test.go

@@ -17,6 +17,8 @@ import (
 	"fmt"
 	"strings"
 	"testing"
+
+	qt "github.com/frankban/quicktest"
 )
 
 // https://github.com/gohugoio/hugo/issues/4895
@@ -314,6 +316,70 @@ X123X
 `)
 }
 
+// See issue 15212.
+func TestTemplateReturnEarly(t *testing.T) {
+	t.Parallel()
+
+	files := `
+-- hugo.toml --
+baseURL = "http://example.com/"
+-- layouts/home.html --
+home-start|{{ if true }}{{ return }}{{ end }}home-end
+`
+	b := Test(t, files)
+
+	b.AssertFileContent("public/index.html", "home-start|", "! home-end")
+}
+
+// See issue 15212.
+func TestTemplateReturnEarlyFromBlock(t *testing.T) {
+	t.Parallel()
+
+	files := `
+-- hugo.toml --
+baseURL = "http://example.com/"
+-- layouts/baseof.html --
+header|{{ block "main" . }}{{ end }}|footer
+-- layouts/home.html --
+{{ define "main" }}main-start|{{ return }}main-end{{ end }}
+`
+	b := Test(t, files)
+
+	b.AssertFileContent("public/index.html", "header|main-start||footer", "! main-end")
+}
+
+// See issue 15212.
+func TestTemplateReturnEarlyFromTemplateInclude(t *testing.T) {
+	t.Parallel()
+
+	files := `
+-- hugo.toml --
+baseURL = "http://example.com/"
+-- layouts/home.html --
+{{ template "foo" . }}|after
+{{ define "foo" }}foo-start|{{ return }}foo-end{{ end }}
+`
+	b := Test(t, files)
+
+	b.AssertFileContent("public/index.html", "foo-start||after", "! foo-end")
+}
+
+// See issue 15212.
+func TestTemplateReturnWithValueOutsidePartialFails(t *testing.T) {
+	t.Parallel()
+
+	files := `
+-- hugo.toml --
+baseURL = "http://example.com/"
+-- layouts/home.html --
+{{ return 32 }}
+`
+	b, err := TestE(t, files)
+
+	b.Assert(err, qt.IsNotNil)
+	b.Assert(err.Error(), qt.Contains, "return with a value is only supported in partials")
+}
+
 func TestPartialCached(t *testing.T) {
 	t.Parallel()
 

hugoreleaser.env

@@ -1,7 +1,9 @@
 # Release env. 
 # These will be replaced by script before release.
-HUGORELEASER_TAG=v0.163.3
-HUGORELEASER_COMMITISH=4d22555aebf458d5d150500c9ac4bee5b24cf0d3
+HUGORELEASER_TAG=v0.165.0
+HUGORELEASER_COMMITISH=76a5e1880ab46688155b02e99bab9be2a6134492
+
+
 
 
 

identity/identity.go

@@ -252,11 +252,11 @@ type IsRebuildProvider interface {
 
 // IncrementByOne implements Incrementer adding 1 every time Incr is called.
 type IncrementByOne struct {
-	counter uint64
+	counter atomic.Uint64
 }
 
 func (c *IncrementByOne) Incr() int {
-	return int(atomic.AddUint64(&c.counter, uint64(1)))
+	return int(c.counter.Add(uint64(1)))
 }
 
 // Incrementer increments and returns the value.

internal/js/esbuild/batch.go

@@ -528,96 +528,94 @@ func (b *batcher) doBuild(ctx context.Context) (*Package, error) {
 	}
 
 	jsOpts := Options{
-		ExternalOptions: externalOptions,
-		InternalOptions: InternalOptions{
-			DependencyManager: b.dependencyManager,
-			Splitting:         true,
-			ImportOnResolveFunc: func(imp string, args api.OnResolveArgs) string {
-				var importContextPath string
-				if args.Kind == api.ResolveEntryPoint {
-					importContextPath = args.Path
-				} else {
-					importContextPath = args.Importer
-				}
-				importContext, importContextFound := state.importerImportContext.Get(importContextPath)
+		ExternalOptions:   externalOptions,
+		DependencyManager: b.dependencyManager,
+		Splitting:         true,
+		ImportOnResolveFunc: func(imp string, args api.OnResolveArgs) string {
+			var importContextPath string
+			if args.Kind == api.ResolveEntryPoint {
+				importContextPath = args.Path
+			} else {
+				importContextPath = args.Importer
+			}
+			importContext, importContextFound := state.importerImportContext.Get(importContextPath)
 
-				// We want to track the dependencies closest to where they're used.
-				dm := b.dependencyManager
-				if importContextFound {
-					dm = importContext.dm
-				}
+			// We want to track the dependencies closest to where they're used.
+			dm := b.dependencyManager
+			if importContextFound {
+				dm = importContext.dm
+			}
 
-				if r, found := state.importResource.Get(imp); found {
-					dm.AddIdentity(identity.FirstIdentity(r))
+			if r, found := state.importResource.Get(imp); found {
+				dm.AddIdentity(identity.FirstIdentity(r))
+				return imp
+			}
+
+			if importContext.resourceGetter != nil {
+				resolved := ResolveResource(imp, importContext.resourceGetter)
+				if resolved != nil {
+					resolvePath := resources.InternalResourceTargetPath(resolved)
+					dm.AddIdentity(identity.FirstIdentity(resolved))
+					imp := PrefixHugoVirtual + resolvePath
+					state.importResource.Set(imp, resolved)
+					state.importerImportContext.Set(imp, importContext)
 					return imp
-				}
-
-				if importContext.resourceGetter != nil {
-					resolved := ResolveResource(imp, importContext.resourceGetter)
-					if resolved != nil {
-						resolvePath := resources.InternalResourceTargetPath(resolved)
-						dm.AddIdentity(identity.FirstIdentity(resolved))
-						imp := PrefixHugoVirtual + resolvePath
-						state.importResource.Set(imp, resolved)
-						state.importerImportContext.Set(imp, importContext)
-						return imp
-
-					}
-				}
-				return ""
-			},
-			ImportOnLoadFunc: func(args api.OnLoadArgs) (string, error) {
-				imp := args.Path
-
-				if r, found := state.importResource.Get(imp); found {
-					content, err := resources.InternalResourceSourceContent(ctx, r)
-					if err != nil {
-						return "", fmt.Errorf("failed to read import %q: %w", resources.InternalResourceSourcePathBestEffort(r), err)
-					}
-					return content, nil
-				}
-				return "", nil
-			},
-			ImportParamsOnLoadFunc: func(args api.OnLoadArgs) json.RawMessage {
-				if importContext, found := state.importerImportContext.Get(args.Path); found {
-					if !importContext.scriptOptions.IsZero() {
-						return importContext.scriptOptions.Params
-					}
-				}
-				return nil
-			},
-			ErrorMessageResolveFunc: func(args api.Message) *ErrorMessageResolved {
-				if loc := args.Location; loc != nil {
-					path := strings.TrimPrefix(loc.File, NsHugoImportResolveFunc+":")
-					if r, found := state.importResource.Get(path); found {
-						sourcePath := resources.InternalResourceSourcePathBestEffort(r)
-
-						var contentr hugio.ReadSeekCloser
-						if cp, ok := r.(hugio.ReadSeekCloserProvider); ok {
-							contentr, _ = cp.ReadSeekCloser()
-						}
-						return &ErrorMessageResolved{
-							Content: contentr,
-							Path:    sourcePath,
-							Message: args.Text,
-						}
-
-					}
 
 				}
-				return nil
-			},
-			ResolveSourceMapSource: func(s string) string {
-				if r, found := state.importResource.Get(s); found {
-					if ss := resources.InternalResourceSourcePath(r); ss != "" {
-						return ss
-					}
-					return PrefixHugoMemory + s
-				}
-				return ""
-			},
-			EntryPoints: entryPoints,
+			}
+			return ""
 		},
+		ImportOnLoadFunc: func(args api.OnLoadArgs) (string, error) {
+			imp := args.Path
+
+			if r, found := state.importResource.Get(imp); found {
+				content, err := resources.InternalResourceSourceContent(ctx, r)
+				if err != nil {
+					return "", fmt.Errorf("failed to read import %q: %w", resources.InternalResourceSourcePathBestEffort(r), err)
+				}
+				return content, nil
+			}
+			return "", nil
+		},
+		ImportParamsOnLoadFunc: func(args api.OnLoadArgs) json.RawMessage {
+			if importContext, found := state.importerImportContext.Get(args.Path); found {
+				if !importContext.scriptOptions.IsZero() {
+					return importContext.scriptOptions.Params
+				}
+			}
+			return nil
+		},
+		ErrorMessageResolveFunc: func(args api.Message) *ErrorMessageResolved {
+			if loc := args.Location; loc != nil {
+				path := strings.TrimPrefix(loc.File, NsHugoImportResolveFunc+":")
+				if r, found := state.importResource.Get(path); found {
+					sourcePath := resources.InternalResourceSourcePathBestEffort(r)
+
+					var contentr hugio.ReadSeekCloser
+					if cp, ok := r.(hugio.ReadSeekCloserProvider); ok {
+						contentr, _ = cp.ReadSeekCloser()
+					}
+					return &ErrorMessageResolved{
+						Content: contentr,
+						Path:    sourcePath,
+						Message: args.Text,
+					}
+
+				}
+
+			}
+			return nil
+		},
+		ResolveSourceMapSource: func(s string) string {
+			if r, found := state.importResource.Get(s); found {
+				if ss := resources.InternalResourceSourcePath(r); ss != "" {
+					return ss
+				}
+				return PrefixHugoMemory + s
+			}
+			return ""
+		},
+		EntryPoints: entryPoints,
 	}
 
 	result, err := b.client.buildClient.Build(jsOpts)

internal/js/esbuild/options.go

@@ -183,6 +183,9 @@ type ExternalOptions struct {
 	// Maps a component import to another.
 	Shims map[string]string
 
+	// User provided import context. If set, we will look here first.
+	ImportContext any
+
 	// Configuring a loader for a given file type lets you load that file type with an
 	// import statement or a require call. For example, configuring the .png file extension
 	// to use the data URL loader means importing a .png file gives you a data URL

internal/js/esbuild/options_test.go

@@ -27,10 +27,8 @@ func TestToBuildOptions(t *testing.T) {
 	c := qt.New(t)
 
 	opts := Options{
-		InternalOptions: InternalOptions{
-			MediaType: media.Builtin.JavascriptType,
-			Stdin:     true,
-		},
+		MediaType: media.Builtin.JavascriptType,
+		Stdin:     true,
 	}
 
 	c.Assert(opts.compile(), qt.IsNil)
@@ -46,16 +44,12 @@ func TestToBuildOptions(t *testing.T) {
 	})
 
 	opts = Options{
-		ExternalOptions: ExternalOptions{
-			Target:   []string{"es2018"},
-			Format:   "cjs",
-			Minify:   true,
-			AvoidTDZ: true,
-		},
-		InternalOptions: InternalOptions{
-			MediaType: media.Builtin.JavascriptType,
-			Stdin:     true,
-		},
+		Target:    []string{"es2018"},
+		Format:    "cjs",
+		Minify:    true,
+		AvoidTDZ:  true,
+		MediaType: media.Builtin.JavascriptType,
+		Stdin:     true,
 	}
 
 	c.Assert(opts.compile(), qt.IsNil)
@@ -74,14 +68,10 @@ func TestToBuildOptions(t *testing.T) {
 	})
 
 	opts = Options{
-		ExternalOptions: ExternalOptions{
-			Target: []string{"es2018"}, Format: "cjs", Minify: true,
-			SourceMap: "inline",
-		},
-		InternalOptions: InternalOptions{
-			MediaType: media.Builtin.JavascriptType,
-			Stdin:     true,
-		},
+		Target: []string{"es2018"}, Format: "cjs", Minify: true,
+		SourceMap: "inline",
+		MediaType: media.Builtin.JavascriptType,
+		Stdin:     true,
 	}
 
 	c.Assert(opts.compile(), qt.IsNil)
@@ -101,14 +91,10 @@ func TestToBuildOptions(t *testing.T) {
 	})
 
 	opts = Options{
-		ExternalOptions: ExternalOptions{
-			Target: []string{"es2018"}, Format: "cjs", Minify: true,
-			SourceMap: "inline",
-		},
-		InternalOptions: InternalOptions{
-			MediaType: media.Builtin.JavascriptType,
-			Stdin:     true,
-		},
+		Target: []string{"es2018"}, Format: "cjs", Minify: true,
+		SourceMap: "inline",
+		MediaType: media.Builtin.JavascriptType,
+		Stdin:     true,
 	}
 
 	c.Assert(opts.compile(), qt.IsNil)
@@ -128,14 +114,10 @@ func TestToBuildOptions(t *testing.T) {
 	})
 
 	opts = Options{
-		ExternalOptions: ExternalOptions{
-			Target: []string{"es2018"}, Format: "cjs", Minify: true,
-			SourceMap: "external",
-		},
-		InternalOptions: InternalOptions{
-			MediaType: media.Builtin.JavascriptType,
-			Stdin:     true,
-		},
+		Target: []string{"es2018"}, Format: "cjs", Minify: true,
+		SourceMap: "external",
+		MediaType: media.Builtin.JavascriptType,
+		Stdin:     true,
 	}
 
 	c.Assert(opts.compile(), qt.IsNil)
@@ -155,13 +137,9 @@ func TestToBuildOptions(t *testing.T) {
 	})
 
 	opts = Options{
-		ExternalOptions: ExternalOptions{
-			JSX: "automatic", JSXImportSource: "preact",
-		},
-		InternalOptions: InternalOptions{
-			MediaType: media.Builtin.JavascriptType,
-			Stdin:     true,
-		},
+		JSX: "automatic", JSXImportSource: "preact",
+		MediaType: media.Builtin.JavascriptType,
+		Stdin:     true,
 	}
 
 	c.Assert(opts.compile(), qt.IsNil)
@@ -179,24 +157,18 @@ func TestToBuildOptions(t *testing.T) {
 	})
 
 	opts = Options{
-		ExternalOptions: ExternalOptions{
-			Drop: "console",
-		},
+		Drop: "console",
 	}
 	c.Assert(opts.compile(), qt.IsNil)
 	c.Assert(opts.compiled.Drop, qt.Equals, api.DropConsole)
 	opts = Options{
-		ExternalOptions: ExternalOptions{
-			Drop: "debugger",
-		},
+		Drop: "debugger",
 	}
 	c.Assert(opts.compile(), qt.IsNil)
 	c.Assert(opts.compiled.Drop, qt.Equals, api.DropDebugger)
 
 	opts = Options{
-		ExternalOptions: ExternalOptions{
-			Drop: "adsfadsf",
-		},
+		Drop: "adsfadsf",
 	}
 	c.Assert(opts.compile(), qt.ErrorMatches, `unsupported drop type: "adsfadsf"`)
 }
@@ -222,12 +194,8 @@ func TestToBuildOptionsTarget(t *testing.T) {
 	} {
 		c.Run(test.target, func(c *qt.C) {
 			opts := Options{
-				ExternalOptions: ExternalOptions{
-					Target: []string{test.target},
-				},
-				InternalOptions: InternalOptions{
-					MediaType: media.Builtin.JavascriptType,
-				},
+				Target:    []string{test.target},
+				MediaType: media.Builtin.JavascriptType,
 			}
 
 			c.Assert(opts.compile(), qt.IsNil)

internal/js/esbuild/resolve.go

@@ -260,6 +260,19 @@ func createBuildPlugins(rs *resources.Spec, assetsResolver *fsResolver, depsMana
 			}
 		}
 
+		if opts.ImportOnResolveFunc != nil {
+			// Relative imports resolved against the importing file's directory,
+			// e.g. "./foo.css". The path as written was tried above.
+			for _, p := range pathsToTry {
+				if p == impPath {
+					continue
+				}
+				if s := opts.ImportOnResolveFunc(filepath.ToSlash(p), args); s != "" {
+					return api.OnResolveResult{Path: s, Namespace: NsHugoImportResolveFunc}, nil
+				}
+			}
+		}
+
 		var m *hugofs.FileMeta
 		for _, p := range pathsToTry {
 			m = assetsResolver.resolveComponent(p, isCSSToken)

internal/warpc/avif.go

@@ -25,6 +25,13 @@ import (
 	"github.com/gohugoio/hugo/common/hugio"
 )
 
+// Keep in sync with genavif/Makefile.
+const (
+	libavifVersion = "v1.4.1"
+	aomVersion     = "v3.14.1"
+	dav1dVersion   = "1.5.3"
+)
+
 var (
 	_ SourceProvider      = AvifInput{}
 	_ DestinationProvider = AvifInput{}

internal/warpc/genavif/avif.c

@@ -280,6 +280,15 @@ static avifPixelFormat avifFormatForHint(const char *hint)
     return AVIF_PIXEL_FORMAT_YUV420; // photo, picture, and the default.
 }
 
+// encoder_errf writes "prefix: result[: diag]", where diag is libavif's
+// detailed diagnostics (e.g. the underlying aom error, such as an allocation
+// failure hidden behind the generic "Encoding of color planes failed").
+static void encoder_errf(char *dst, size_t size, const char *prefix, avifResult result, const avifEncoder *encoder)
+{
+    snprintf(dst, size, "%s: %s%s%s", prefix, avifResultToString(result),
+             encoder->diag.error[0] ? ": " : "", encoder->diag.error);
+}
+
 void handle_commands(FILE *stream)
 {
 
@@ -725,7 +734,7 @@ void handle_commands(FILE *stream)
 
             result = avifEncoderAddImage(encoder, image, 1, AVIF_ADD_IMAGE_FLAG_SINGLE);
             if (result != AVIF_RESULT_OK) {
-                snprintf(output.header.err, sizeof(output.header.err), "encodeNRGBA: Failed to add image to encoder: %s", avifResultToString(result));
+                encoder_errf(output.header.err, sizeof(output.header.err), "encodeNRGBA: Failed to add image to encoder", result, encoder);
                 avifEncoderDestroy(encoder);
                 avifImageDestroy(image);
                 write_output_message(&output);
@@ -735,7 +744,7 @@ void handle_commands(FILE *stream)
             avifRWData raw = { NULL, 0 };
             result = avifEncoderFinish(encoder, &raw);
             if (result != AVIF_RESULT_OK) {
-                snprintf(output.header.err, sizeof(output.header.err), "encodeNRGBA: Failed to finish encoding: %s", avifResultToString(result));
+                encoder_errf(output.header.err, sizeof(output.header.err), "encodeNRGBA: Failed to finish encoding", result, encoder);
                 avifEncoderDestroy(encoder);
                 avifImageDestroy(image);
                 write_output_message(&output);
@@ -850,7 +859,7 @@ void handle_commands(FILE *stream)
 
             avifResult result = avifEncoderAddImage(encoder, image, 1, AVIF_ADD_IMAGE_FLAG_SINGLE);
             if (result != AVIF_RESULT_OK) {
-                snprintf(output.header.err, sizeof(output.header.err), "encodeGray: Failed to add image to encoder: %s", avifResultToString(result));
+                encoder_errf(output.header.err, sizeof(output.header.err), "encodeGray: Failed to add image to encoder", result, encoder);
                 avifEncoderDestroy(encoder);
                 avifImageDestroy(image);
                 write_output_message(&output);
@@ -860,7 +869,7 @@ void handle_commands(FILE *stream)
             avifRWData raw = { NULL, 0 };
             result = avifEncoderFinish(encoder, &raw);
             if (result != AVIF_RESULT_OK) {
-                snprintf(output.header.err, sizeof(output.header.err), "encodeGray: Failed to finish encoding: %s", avifResultToString(result));
+                encoder_errf(output.header.err, sizeof(output.header.err), "encodeGray: Failed to finish encoding", result, encoder);
                 avifEncoderDestroy(encoder);
                 avifImageDestroy(image);
                 write_output_message(&output);

internal/warpc/katex.go

@@ -17,6 +17,9 @@ import (
 	_ "embed"
 )
 
+// Keep in sync with js/package.json.
+const katexVersion = "0.16.21"
+
 //go:embed wasm/renderkatex.wasm
 var katexWasm []byte
 

internal/warpc/warpc.go

@@ -48,6 +48,17 @@ const (
 
 const currentVersion = 1
 
+// GetWASMDeps returns version information for the C libraries bundled as WASM.
+func GetWASMDeps() [][2]string {
+	return [][2]string{
+		{"aomedia.googlesource.com/aom", aomVersion},
+		{"code.videolan.org/videolan/dav1d", dav1dVersion},
+		{"github.com/AOMediaCodec/libavif", libavifVersion},
+		{"github.com/KaTeX/KaTeX", katexVersion},
+		{"github.com/webmproject/libwebp", libwebpVersion},
+	}
+}
+
 //go:embed wasm/quickjs.wasm
 var quickjsWasm []byte
 
@@ -348,7 +359,8 @@ func (d *dispatcher[Q, R]) inputBlobs() error {
 					call.done()
 				}
 				return nil
-			}); err != nil {
+			},
+		); err != nil {
 			inputErr = err
 			break
 		}
@@ -384,7 +396,8 @@ func (d *dispatcher[Q, R]) inputJSON() error {
 					call.done()
 				}
 				return nil
-			}); err != nil {
+			},
+		); err != nil {
 			inputErr = err
 			break
 		}
@@ -569,6 +582,9 @@ func (p *dispatcherPool[Q, R]) Err() error {
 	}
 }
 
+// Workaround for data race, see https://github.com/wazero/wazero/issues/2532
+var wazeroCacheMu sync.Mutex
+
 func newDispatcher[Q, R any](opts Options) (*dispatcherPool[Q, R], error) {
 	if opts.Ctx == nil {
 		opts.Ctx = context.Background()
@@ -597,6 +613,8 @@ func newDispatcher[Q, R any](opts Options) (*dispatcherPool[Q, R], error) {
 	runtimeConfig = runtimeConfig.WithCoreFeatures(api.CoreFeaturesV2 | experimental.CoreFeaturesExceptionHandling | experimental.CoreFeaturesThreads)
 
 	if opts.CompilationCacheDir != "" {
+		wazeroCacheMu.Lock()
+		defer wazeroCacheMu.Unlock()
 		compilationCache, err := wazero.NewCompilationCacheWithDir(opts.CompilationCacheDir)
 		if err != nil {
 			return nil, err
@@ -679,7 +697,8 @@ func newDispatcher[Q, R any](opts Options) (*dispatcherPool[Q, R], error) {
 					if err != nil {
 						return toErr("quickjs", errBuff, err)
 					}
-					ctx = experimental.WithImportResolver(ctx,
+					ctx = experimental.WithImportResolver(
+						ctx,
 						func(name string) api.Module {
 							if name == opts.Runtime.Name {
 								return runtimeInstance
@@ -752,7 +771,9 @@ func newDispatcher[Q, R any](opts Options) (*dispatcherPool[Q, R], error) {
 		}
 
 		for _, d := range dp.dispatchers {
-			if err := d.inGroup.Wait(); err != nil {
+			// ErrShutdown is expected here; since Go 1.27 (json/v2), Decode
+			// surfaces the read error from the pipes we just closed.
+			if err := d.inGroup.Wait(); err != nil && err != ErrShutdown {
 				return err
 			}
 		}

internal/warpc/webp.go

@@ -28,6 +28,9 @@ import (
 	"github.com/gohugoio/hugo/common/hugio"
 )
 
+// Keep in sync with genwebp/Makefile.
+const libwebpVersion = "v1.6.0"
+
 var (
 	_ SourceProvider      = WebpInput{}
 	_ DestinationProvider = WebpInput{}

main_test.go

@@ -15,6 +15,7 @@ package main
 
 import (
 	"bytes"
+	"encoding/base64"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -27,6 +28,7 @@ import (
 	"runtime"
 	"strconv"
 	"strings"
+	"sync"
 	"testing"
 	"time"
 
@@ -78,10 +80,22 @@ func TestMain(m *testing.M) {
 	})
 }
 
+var isCaseInsensitiveFs = sync.OnceValues(func() (bool, error) {
+	return htesting.IsCaseInsensitiveFs(os.TempDir())
+})
+
 var commonTestScriptsParam = testscript.Params{
 	Setup: func(env *testscript.Env) error {
 		return testSetupFunc()(env)
 	},
+	Condition: func(cond string) (bool, error) {
+		switch cond {
+		case "caseinsensitivefs":
+			return isCaseInsensitiveFs()
+		default:
+			return false, fmt.Errorf("unknown condition %q", cond)
+		}
+	},
 	Cmds: map[string]func(ts *testscript.TestScript, neg bool, args []string){
 		// log prints to stderr.
 		"log": func(ts *testscript.TestScript, neg bool, args []string) {
@@ -252,6 +266,34 @@ var commonTestScriptsParam = testscript.Params{
 				ts.Fatalf("failed to create symlink: %v", err)
 			}
 		},
+		// base64decode decodes a base64-encoded file into a binary file.
+		"base64decode": func(ts *testscript.TestScript, neg bool, args []string) {
+			if len(args) != 2 {
+				ts.Fatalf("usage: base64decode src_base64_file dest_binary_file")
+			}
+
+			// Resolve paths relative to the test sandbox's current directory
+			src := ts.MkAbs(args[0])
+			dest := ts.MkAbs(args[1])
+
+			// Read the base64 text
+			base64Data, err := os.ReadFile(src)
+			if err != nil {
+				ts.Fatalf("failed to read base64 file: %v", err)
+			}
+
+			// Decode base64 back to raw bytes.
+			binaryBytes, err := base64.StdEncoding.DecodeString(strings.TrimSpace(string(base64Data)))
+			if err != nil {
+				ts.Fatalf("failed to decode base64 data: %v", err)
+			}
+
+			// Write the binary file.
+			err = os.WriteFile(dest, binaryBytes, 0o644)
+			if err != nil {
+				ts.Fatalf("failed to write binary file: %v", err)
+			}
+		},
 
 		// httpget checks that a HTTP resource's body matches (if it compiles as a regexp) or contains all of the strings given as arguments.
 		"httpget": func(ts *testscript.TestScript, neg bool, args []string) {

markup/asciidocext/asciidoc_integration_test.go

@@ -1153,3 +1153,59 @@ func validatePublishedSite_20(b *hugolib.IntegrationTestBuilder) {
 		b.AssertFileExists(path, true)
 	}
 }
+
+// See issue 15121
+func TestAsciiDocHTML5BackendTOC(t *testing.T) {
+	if !htesting.IsRealCI() {
+		t.Skip()
+	}
+	if ok, err := asciidocext.Supports(); !ok {
+		t.Skip(err)
+	}
+
+	t.Cleanup(func() {
+		resetDefaultAsciiDocExtConfig()
+	})
+
+	files := `
+-- hugo.toml --
+disableKinds = ['home','rss','section','sitemap','taxonomy','term']
+
+[markup.asciidocExt]
+  backend    = 'html5s'
+  extensions = ['asciidoctor-html5s']
+
+[security.exec]
+  allow = ['^asciidoctor$']
+-- content/p1.adoc --
+---
+title: p1
+---
+
+:toc:
+
+## Section 1
+
+### Section 1.1
+
+### Section 1.2
+
+## Section 2
+-- layouts/page.html --
+{{ .TableOfContents }}
+`
+
+	b := hugolib.Test(t, files)
+
+	b.AssertFileContentExact("public/p1/index.html", `<nav id="TableOfContents">
+  <ul>
+    <li><a href="#_section_1">Section 1</a>
+      <ul>
+        <li><a href="#_section_1_1">Section 1.1</a></li>
+        <li><a href="#_section_1_2">Section 1.2</a></li>
+      </ul>
+    </li>
+    <li><a href="#_section_2">Section 2</a></li>
+  </ul>
+</nav>`)
+}

markup/asciidocext/internal/converter.go

@@ -318,7 +318,7 @@ func (a *AsciiDocConverter) extractTOC(src []byte) ([]byte, *tableofcontents.Fra
 		toVisit []*html.Node
 	)
 	f = func(n *html.Node) bool {
-		if n.Type == html.ElementNode && n.Data == "div" && attr(n, "id") == "toc" {
+		if n.Type == html.ElementNode && (n.Data == "div" || n.Data == "nav") && attr(n, "id") == "toc" {
 			toc = parseTOC(n)
 			if !a.Cfg.MarkupConfig().AsciiDocExt.PreserveTOC {
 				n.Parent.RemoveChild(n)
@@ -364,7 +364,7 @@ func parseTOC(doc *html.Node) *tableofcontents.Fragments {
 	f = func(n *html.Node, row, level int) {
 		if n.Type == html.ElementNode {
 			switch n.Data {
-			case "ul":
+			case "ul", "ol":
 				if level == 0 {
 					row++
 				}

markup/goldmark/hugocontext/hugocontext.go

@@ -326,9 +326,7 @@ func (a *hugoContextExtension) Extend(m goldmark.Markdown) {
 		renderer.WithNodeRenderers(
 			util.Prioritized(&hugoContextRenderer{
 				logger: a.logger,
-				Config: html.Config{
-					Writer: html.DefaultWriter,
-				},
+				Writer: html.DefaultWriter,
 			}, 50),
 		),
 	)

markup/goldmark/render_hooks.go

@@ -36,9 +36,7 @@ var _ renderer.SetOptioner = (*hookedRenderer)(nil)
 func newLinkRenderer(cfg goldmark_config.Config) renderer.NodeRenderer {
 	r := &hookedRenderer{
 		linkifyProtocol: []byte(cfg.Extensions.LinkifyProtocol),
-		Config: html.Config{
-			Writer: html.DefaultWriter,
-		},
+		Writer:          html.DefaultWriter,
 	}
 	return r
 }
@@ -169,15 +167,13 @@ func (r *hookedRenderer) renderImage(w util.BufWriter, source []byte, node ast.N
 		ctx.RenderContext().Ctx,
 		w,
 		imageLinkContext{
-			linkContext: linkContext{
-				BaseContext:      render.NewBaseContext(ctx, lr, node, source, ordinal),
-				destination:      string(n.Destination),
-				title:            string(n.Title),
-				text:             hstring.HTML(text),
-				plainText:        render.TextPlain(n, source),
-				AttributesHolder: attributes.New(attrs, attributes.AttributesOwnerGeneral),
-			},
-			isBlock: isBlock,
+			BaseContext:      render.NewBaseContext(ctx, lr, node, source, ordinal),
+			destination:      string(n.Destination),
+			title:            string(n.Title),
+			text:             hstring.HTML(text),
+			plainText:        render.TextPlain(n, source),
+			AttributesHolder: attributes.New(attrs, attributes.AttributesOwnerGeneral),
+			isBlock:          isBlock,
 		},
 	)
 

markup/highlight/chromastyles.go

@@ -0,0 +1,171 @@
+// Copyright 2026 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package highlight
+
+import (
+	"bytes"
+	"fmt"
+	"slices"
+	"strings"
+
+	"github.com/alecthomas/chroma/v2"
+	"github.com/alecthomas/chroma/v2/formatters/html"
+	"github.com/alecthomas/chroma/v2/styles"
+)
+
+// ChromaStylesOptions holds options for ChromaStylesCSS.
+type ChromaStylesOptions struct {
+	// Highlighter style, e.g. "monokai".
+	Style string
+
+	// Style mode, "light" or "dark".
+	Mode string
+
+	// Scope selectors under a top level mode class, e.g. ".dark .chroma".
+	ModeSelector bool
+
+	// Class name used by ModeSelector for dark styles, defaults to "dark".
+	ClassDark string
+
+	// Class name used by ModeSelector for light styles, defaults to "light".
+	ClassLight string
+
+	// Foreground and background colors for highlighted lines, e.g. "#fff000 bg:#000fff".
+	HighlightStyle string
+
+	// Foreground and background colors for inline line numbers.
+	LineNumbersInlineStyle string
+
+	// Foreground and background colors for table line numbers.
+	LineNumbersTableStyle string
+
+	// Omit CSS class comment prefixes in the generated CSS.
+	OmitClassComments bool
+}
+
+// ChromaStylesCSS generates a CSS stylesheet for the Chroma code highlighter.
+// This stylesheet is needed if markup.highlight.noClasses is disabled in config.
+func ChromaStylesCSS(opts ChromaStylesOptions) (string, error) {
+	name := strings.ToLower(opts.Style)
+	if !slices.Contains(styles.Names(), name) {
+		return "", fmt.Errorf("invalid style: %s", name)
+	}
+	var chromaStyle *chroma.Style
+	if opts.Mode != "" {
+		var mode chroma.Mode
+		switch opts.Mode {
+		case "light":
+			mode = chroma.Light
+		case "dark":
+			mode = chroma.Dark
+		default:
+			return "", fmt.Errorf("invalid mode: %s", opts.Mode)
+		}
+
+		chromaStyle = styles.GetForMode(name, mode)
+		if chromaStyle.Mode() != mode {
+			return "", fmt.Errorf("style %q does not have a %q mode", name, opts.Mode)
+		}
+	} else {
+		chromaStyle = styles.Get(name)
+	}
+	builder := chromaStyle.Builder()
+	if opts.HighlightStyle != "" {
+		builder.Add(chroma.LineHighlight, opts.HighlightStyle)
+	}
+	if opts.LineNumbersInlineStyle != "" {
+		builder.Add(chroma.LineNumbers, opts.LineNumbersInlineStyle)
+	}
+	if opts.LineNumbersTableStyle != "" {
+		builder.Add(chroma.LineNumbersTable, opts.LineNumbersTableStyle)
+	}
+	style, err := builder.Build()
+	if err != nil {
+		return "", err
+	}
+
+	options := []html.Option{
+		html.WithCSSComments(!opts.OmitClassComments),
+		html.WithCustomCSS(chromaCSSOverrides(style)),
+	}
+
+	var buf bytes.Buffer
+	if err := html.New(options...).WriteCSS(&buf, style); err != nil {
+		return "", err
+	}
+	css := buf.String()
+	if opts.ModeSelector {
+		// Scope every selector under a top level mode class, e.g. ".dark .chroma".
+		// This allows generating both light and dark stylesheets and toggling
+		// them with a parent class on the page.
+		// There's no upstream option for this (I think), so do string replacements for now.
+		// TODO(bep) upstream option for this.
+		classDark, classLight := opts.ClassDark, opts.ClassLight
+		if classDark == "" {
+			classDark = "dark"
+		}
+		if classLight == "" {
+			classLight = "light"
+		}
+		var prefix string
+		switch style.Mode() {
+		case chroma.Light:
+			prefix = "." + classLight + " "
+		case chroma.Dark:
+			prefix = "." + classDark + " "
+		default:
+			return "", fmt.Errorf("style %q does not have a light or dark mode", style.Name)
+		}
+		replacer := strings.NewReplacer(
+			".bg {", prefix+".bg {",
+			".chroma ", prefix+".chroma ",
+		)
+		css = replacer.Replace(css)
+	}
+
+	return css, nil
+}
+
+// chromaCSSOverrides re-emits leaf token colors that Chroma's minifier drops
+// because they equal the style's default foreground (the .chroma color).
+// In a paired light/dark setup, the other sheet's explicit rule (e.g. .chroma .nx)
+// would otherwise leak into this mode, since an explicit declaration beats
+// inheritance from .chroma.
+// TODO(bep): replace with an upstream option, see issue 15161.
+func chromaCSSOverrides(style *chroma.Style) map[chroma.TokenType]string {
+	bg := style.Get(chroma.Background)
+	m := make(map[chroma.TokenType]string)
+	for tt := range chroma.StandardTypes {
+		if tt == chroma.Background || !style.Has(tt) || !chromaLeafToken(tt) {
+			continue
+		}
+		entry := style.Get(tt)
+		if !entry.Sub(bg).IsZero() || !entry.Colour.IsSet() {
+			continue
+		}
+		if css := html.StyleEntryToCSS(chroma.StyleEntry{Colour: entry.Colour}); css != "" {
+			m[tt] = css
+		}
+	}
+	return m
+}
+
+func chromaLeafToken(tt chroma.TokenType) bool {
+	for other := range chroma.StandardTypes {
+		if other != tt && (other.Category() == tt || other.SubCategory() == tt) {
+			return false
+		}
+	}
+	return true
+}

media/builtin.go

@@ -21,6 +21,7 @@ type BuiltinTypes struct {
 	TextType           Type
 	TOMLType           Type
 	YAMLType           Type
+	SourceMapType      Type
 
 	// Common image types
 	PNGType  Type
@@ -36,6 +37,8 @@ type BuiltinTypes struct {
 	// Common font types
 	TrueTypeFontType Type
 	OpenTypeFontType Type
+	WOFFFontType     Type
+	WOFF2FontType    Type
 
 	// Common document types
 	PDFType              Type
@@ -80,6 +83,7 @@ var Builtin = BuiltinTypes{
 	TextType:           Type{Type: "text/plain"},
 	TOMLType:           Type{Type: "application/toml"},
 	YAMLType:           Type{Type: "application/yaml"},
+	SourceMapType:      Type{Type: "application/source-map"},
 
 	// Common image types
 	PNGType:  Type{Type: "image/png"},
@@ -95,6 +99,8 @@ var Builtin = BuiltinTypes{
 	// Common font types
 	TrueTypeFontType: Type{Type: "font/ttf"},
 	OpenTypeFontType: Type{Type: "font/otf"},
+	WOFFFontType:     Type{Type: "font/woff"},
+	WOFF2FontType:    Type{Type: "font/woff2"},
 
 	// Common document types
 	PDFType:              Type{Type: "application/pdf"},
@@ -139,6 +145,7 @@ var defaultMediaTypesConfig = map[string]any{
 	"text/plain":                map[string]any{"suffixes": []string{"txt"}},
 	"application/toml":          map[string]any{"suffixes": []string{"toml"}},
 	"application/yaml":          map[string]any{"suffixes": []string{"yaml", "yml"}},
+	"application/source-map":    map[string]any{"suffixes": []string{"map"}},
 
 	// Common image types
 	"image/png":  map[string]any{"suffixes": []string{"png"}},
@@ -152,8 +159,10 @@ var defaultMediaTypesConfig = map[string]any{
 	"image/heic": map[string]any{"suffixes": []string{"heic"}},
 
 	// Common font types
-	"font/ttf": map[string]any{"suffixes": []string{"ttf"}},
-	"font/otf": map[string]any{"suffixes": []string{"otf"}},
+	"font/ttf":   map[string]any{"suffixes": []string{"ttf"}},
+	"font/otf":   map[string]any{"suffixes": []string{"otf"}},
+	"font/woff":  map[string]any{"suffixes": []string{"woff"}},
+	"font/woff2": map[string]any{"suffixes": []string{"woff2"}},
 
 	// Common document types
 	"application/pdf": map[string]any{"suffixes": []string{"pdf"}},

media/config_test.go

@@ -142,6 +142,9 @@ func TestDefaultTypes(t *testing.T) {
 		{Builtin.PDFType, "application", "pdf", "pdf", "application/pdf", "application/pdf"},
 		{Builtin.TrueTypeFontType, "font", "ttf", "ttf", "font/ttf", "font/ttf"},
 		{Builtin.OpenTypeFontType, "font", "otf", "otf", "font/otf", "font/otf"},
+		{Builtin.WOFFFontType, "font", "woff", "woff", "font/woff", "font/woff"},
+		{Builtin.WOFF2FontType, "font", "woff2", "woff2", "font/woff2", "font/woff2"},
+		{Builtin.SourceMapType, "application", "source-map", "map", "application/source-map", "application/source-map"},
 	} {
 		c.Assert(test.tp.MainType, qt.Equals, test.expectedMainType)
 		c.Assert(test.tp.SubType, qt.Equals, test.expectedSubType)
@@ -151,5 +154,5 @@ func TestDefaultTypes(t *testing.T) {
 
 	}
 
-	c.Assert(len(DefaultTypes), qt.Equals, 44)
+	c.Assert(len(DefaultTypes), qt.Equals, 47)
 }

media/mediaType.go

@@ -70,7 +70,7 @@ type SuffixInfo struct {
 // If http.DetectContentType resolves to application/octet-stream, a zero Type is returned.
 // If http.DetectContentType  resolves to text/plain or application/xml, we try to get more specific using types and ext.
 func FromContent(types Types, extensionHints []string, content []byte) Type {
-	t := strings.Split(http.DetectContentType(content), ";")[0]
+	t, _, _ := strings.Cut(http.DetectContentType(content), ";")
 	if t == "application/octet-stream" {
 		return zero
 	}
@@ -143,7 +143,7 @@ func FromString(t string) (Type, error) {
 	mainType := parts[0]
 	subParts := strings.Split(parts[1], "+")
 
-	subType := strings.Split(subParts[0], ";")[0]
+	subType, _, _ := strings.Cut(subParts[0], ";")
 
 	var suffix string
 

metrics/metrics.go

@@ -178,15 +178,29 @@ func (s *Store) WriteMetrics(w io.Writer) {
 	}
 
 	sort.Sort(bySum(results))
+
 	for _, v := range results {
 		if s.calculateHints {
-			fmt.Fprintf(w, "  %15s  %12s  %12s  %9d  %7.f  %6d  %5d  %s\n", v.sum, v.avg, v.max, v.cacheFactor, float64(v.cacheCount)/float64(v.count)*100, v.cacheCount, v.count, v.key)
+			fmt.Fprintf(w, "  %15s  %12s  %12s  %9d  %7.f  %6d  %5d  %s\n", formatDuration(v.sum), formatDuration(v.avg), formatDuration(v.max), v.cacheFactor, float64(v.cacheCount)/float64(v.count)*100, v.cacheCount, v.count, v.key)
 		} else {
-			fmt.Fprintf(w, "  %15s  %12s  %12s  %5d  %s\n", v.sum, v.avg, v.max, v.count, v.key)
+			fmt.Fprintf(w, "  %15s  %12s  %12s  %5d  %s\n", formatDuration(v.sum), formatDuration(v.avg), formatDuration(v.max), v.count, v.key)
 		}
 	}
 }
 
+func formatDuration(d time.Duration) string {
+	switch {
+	case d >= time.Second:
+		return fmt.Sprintf("%.2f  s", float64(d)/float64(time.Second)) // additional spacing between value and unit
+	case d >= time.Millisecond:
+		return fmt.Sprintf("%.2f ms", float64(d)/float64(time.Millisecond))
+	case d >= time.Microsecond:
+		return fmt.Sprintf("%.2f µs", float64(d)/float64(time.Microsecond))
+	default:
+		return fmt.Sprintf("%.2f ns", float64(d)/float64(time.Nanosecond))
+	}
+}
+
 // A result represents the calculated results for a given metric.
 type result struct {
 	key         string

metrics/metrics_test.go

@@ -17,6 +17,7 @@ import (
 	"html/template"
 	"strings"
 	"testing"
+	"time"
 
 	"github.com/gohugoio/hugo/resources/page"
 
@@ -66,3 +67,21 @@ func BenchmarkHowSimilar(b *testing.B) {
 		howSimilar(s1, s2)
 	}
 }
+
+func TestFormatDuration(t *testing.T) {
+	c := qt.New(t)
+	tests := []struct {
+		duration time.Duration
+		want     string
+	}{
+		{4*time.Second + 342*time.Millisecond, "4.34  s"}, // additional spacing between value and unit
+		{170*time.Millisecond + 289*time.Microsecond, "170.29 ms"},
+		{16*time.Microsecond + 90*time.Nanosecond, "16.09 µs"},
+		{147 * time.Nanosecond, "147.00 ns"},
+	}
+
+	for _, tt := range tests {
+		got := formatDuration(tt.duration)
+		c.Assert(got, qt.Equals, tt.want)
+	}
+}

modules/client.go

@@ -615,7 +615,7 @@ func (c *Client) writeHugoDirectSum(mods Modules) error {
 			continue
 		}
 		if m.IsGoMod() && m.VersionQuery() != "" {
-			sums = append(sums, modSum{pathVersionKey: pathVersionKey{path: m.Path(), version: m.Version()}, sum: m.Sum()})
+			sums = append(sums, modSum{path: m.Path(), version: m.Version(), sum: m.Sum()})
 		}
 	}
 

modules/npm/package_builder.go

@@ -195,15 +195,28 @@ func Pack(sourceFs, assetsWithDuplicatesPreservedFs afero.Fs, mods modules.Modul
 		}
 	}
 
-	name := "project"
-	rfi, err := sourceFs.Stat("")
-	if err == nil {
-		name = rfi.Name()
+	// Stable defaults; mark the workspace private so npm never publishes it.
+	// Preserve any hand-set values from an existing file.
+	name, version, private := "hugoautogen", "0.1.0", true
+	if data, err := afero.ReadFile(sourceFs, workspacePackageJSON); err == nil {
+		var existing map[string]any
+		if err := json.Unmarshal(data, &existing); err == nil {
+			if s, ok := existing["name"].(string); ok && s != "" {
+				name = s
+			}
+			if s, ok := existing["version"].(string); ok && s != "" {
+				version = s
+			}
+			if b, ok := existing["private"].(bool); ok {
+				private = b
+			}
+		}
 	}
 
 	autoGenPkg := map[string]any{
 		"name":             name,
-		"version":          "0.1.0",
+		"version":          version,
+		"private":          private,
 		dependenciesKey:    moduleDeps,
 		devDependenciesKey: moduleDevDeps,
 	}

modules/npm/package_builder_integration_test.go

@@ -92,6 +92,40 @@ func TestPackageBuilder(t *testing.T) {
 	b.Assert(string(meta2), qt.Equals, string(meta1))
 }
 
+// The generated workspace package.json should get a stable name and
+// "private": true, and preserve hand-set name/version/private on regeneration.
+// See issue 15245.
+func TestPackStableNameAndPrivate(t *testing.T) {
+	files := getPackageBuilderTestFiles()
+	b := hugolib.Test(t, files)
+	sourceFs := b.H.BaseFs.ProjectSourceFs
+	assetsFs := b.H.BaseFs.AssetsWithDuplicatesPreserved.Fs
+	mods := b.H.Configs.Modules
+
+	b.Assert(npm.Pack(sourceFs, assetsFs, mods), qt.IsNil)
+
+	pkg, err := afero.ReadFile(sourceFs, "packages/hugoautogen/package.json")
+	b.Assert(err, qt.IsNil)
+	b.Assert(string(pkg), qt.Contains, `"name": "hugoautogen"`)
+	b.Assert(string(pkg), qt.Contains, `"private": true`)
+	b.Assert(string(pkg), qt.Contains, `"version": "0.1.0"`)
+
+	// Hand-set fields survive a re-pack.
+	edited := strings.NewReplacer(
+		`"name": "hugoautogen"`, `"name": "@foo/hugoautogen"`,
+		`"version": "0.1.0"`, `"version": "1.2.3"`,
+		`"private": true`, `"private": false`,
+	).Replace(string(pkg))
+	b.Assert(afero.WriteFile(sourceFs, "packages/hugoautogen/package.json", []byte(edited), 0o666), qt.IsNil)
+
+	b.Assert(npm.Pack(sourceFs, assetsFs, mods), qt.IsNil)
+	pkg, err = afero.ReadFile(sourceFs, "packages/hugoautogen/package.json")
+	b.Assert(err, qt.IsNil)
+	b.Assert(string(pkg), qt.Contains, `"name": "@foo/hugoautogen"`)
+	b.Assert(string(pkg), qt.Contains, `"version": "1.2.3"`)
+	b.Assert(string(pkg), qt.Contains, `"private": false`)
+}
+
 func BenchmarkPackageFilesSum(b *testing.B) {
 	files := getPackageBuilderTestFiles()
 	bb := hugolib.Test(b, files)

navigation/menu_cache_test.go

@@ -40,8 +40,8 @@ func TestMenuCache(t *testing.T) {
 		m[0].MenuConfig.Title = "changed"
 	}
 
-	var o1 uint64
-	var o2 uint64
+	var o1 atomic.Uint64
+	var o2 atomic.Uint64
 
 	var wg sync.WaitGroup
 
@@ -59,7 +59,7 @@ func TestMenuCache(t *testing.T) {
 			for k, menu := range testMenuSets {
 				l1.Lock()
 				m, ca := c1.get("k1", nil, menu)
-				c.Assert(ca, qt.Equals, !atomic.CompareAndSwapUint64(&o1, uint64(k), uint64(k+1)))
+				c.Assert(ca, qt.Equals, !o1.CompareAndSwap(uint64(k), uint64(k+1)))
 				l1.Unlock()
 				m2, c2 := c1.get("k1", nil, m)
 				c.Assert(c2, qt.Equals, true)
@@ -69,7 +69,7 @@ func TestMenuCache(t *testing.T) {
 
 				l2.Lock()
 				m3, c3 := c1.get("k2", changeFirst, menu)
-				c.Assert(c3, qt.Equals, !atomic.CompareAndSwapUint64(&o2, uint64(k), uint64(k+1)))
+				c.Assert(c3, qt.Equals, !o2.CompareAndSwap(uint64(k), uint64(k+1)))
 				l2.Unlock()
 				c.Assert(m3, qt.Not(qt.IsNil))
 				c.Assert("changed", qt.Equals, m3[0].Title)

parser/pageparser/pagelexer.go

@@ -72,16 +72,14 @@ type Config struct {
 // can be set if position of first shortcode is known
 func newPageLexer(input []byte, stateStart stateFunc, cfg Config) *pageLexer {
 	lexer := &pageLexer{
-		input:          input,
-		stateStart:     stateStart,
-		summaryDivider: summaryDivider,
-		cfg:            cfg,
-		lexerShortcodeState: lexerShortcodeState{
-			currLeftDelimItem:  tLeftDelimScNoMarkup,
-			currRightDelimItem: tRightDelimScNoMarkup,
-			openShortcodes:     make(map[unique.Handle[string]]bool),
-		},
-		items: make([]Item, 0, 5),
+		input:              input,
+		stateStart:         stateStart,
+		summaryDivider:     summaryDivider,
+		cfg:                cfg,
+		currLeftDelimItem:  tLeftDelimScNoMarkup,
+		currRightDelimItem: tRightDelimScNoMarkup,
+		openShortcodes:     make(map[unique.Handle[string]]bool),
+		items:              make([]Item, 0, 5),
 	}
 
 	lexer.sectionHandlers = createSectionHandlers(lexer)

resources/artifact.go

@@ -0,0 +1,50 @@
+// Copyright 2025 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package resources
+
+import (
+	"github.com/gohugoio/hugo/media"
+	"github.com/gohugoio/hugo/resources/resource"
+)
+
+// Artifact represents an additional output file published as part of a
+// resource transformation, e.g. a source map or a file emitted by ESBuild's
+// file loader. It is exposed to templates via Resource.Data.Artifacts.
+type Artifact interface {
+	resource.MediaTypeProvider
+	resource.ResourceLinksProvider
+}
+
+// NewArtifact creates a new Artifact with the given permalinks and media type.
+func NewArtifact(permalink, relPermalink string, mediaType media.Type) Artifact {
+	return &artifact{permalink: permalink, relPermalink: relPermalink, mediaType: mediaType}
+}
+
+type artifact struct {
+	permalink    string
+	relPermalink string
+	mediaType    media.Type
+}
+
+func (a *artifact) MediaType() media.Type {
+	return a.mediaType
+}
+
+func (a *artifact) Permalink() string {
+	return a.permalink
+}
+
+func (a *artifact) RelPermalink() string {
+	return a.relPermalink
+}

resources/images/color.go

@@ -16,13 +16,12 @@ package images
 import (
 	"encoding/hex"
 	"fmt"
-	"hash/fnv"
 	"image/color"
 	"math"
+	"slices"
 	"strings"
 
 	"github.com/gohugoio/hugo/common/hstrings"
-	"slices"
 )
 
 type colorGoProvider interface {
@@ -65,10 +64,8 @@ func (c Color) String() string {
 // For hashstructure. This struct is used in template func options
 // that needs to be able to hash a Color.
 // For internal use only.
-func (c Color) Hash() (uint64, error) {
-	h := fnv.New64a()
-	h.Write([]byte(c.hex))
-	return h.Sum64(), nil
+func (c Color) Key() string {
+	return c.hex
 }
 
 func (c *Color) init() error {

resources/internal/key.go

@@ -13,7 +13,9 @@
 
 package internal
 
-import "github.com/gohugoio/hugo/common/hashing"
+import (
+	"github.com/gohugoio/hugo/common/hashing"
+)
 
 // ResourceTransformationKey are provided by the different transformation implementations.
 // It identifies the transformation (name) and its configuration (elements).

resources/jsconfig/jsconfig.go

@@ -39,6 +39,11 @@ func (b *Builder) Build(dir string) *Config {
 	}
 	var roots []string
 	for root := range b.sourceRoots.All() {
+		if root == dir {
+			// We need mappings for other source roots (e.g. mounted modules), but not for the current one.
+			// See issue 15169.
+			continue
+		}
 		rel, err := filepath.Rel(dir, filepath.Join(root, "*"))
 		if err == nil {
 			roots = append(roots, rel)

resources/jsconfig/jsconfig_test.go

@@ -37,4 +37,10 @@ func TestJsConfigBuilder(t *testing.T) {
 	c.Assert(string(data), qt.Not(qt.Contains), "baseUrl")
 
 	c.Assert(NewBuilder().Build("/a/b"), qt.IsNil)
+
+	// Issue 15169.
+	b = NewBuilder()
+	b.AddSourceRoot("/c/assets")
+	conf = b.Build("/c/assets")
+	c.Assert(conf, qt.IsNil)
 }

resources/page/hugoinfo.go

@@ -100,12 +100,6 @@ func (i HugoInfo) Store() *hstore.Scratch {
 	return i.store
 }
 
-// Deprecated: Use hugo.IsMultihost instead.
-func (i HugoInfo) IsMultiHost() bool {
-	hugo.Deprecate("hugo.IsMultiHost", "Use hugo.IsMultihost instead.", "v0.124.0")
-	return i.opts.Conf.IsMultihost()
-}
-
 // IsMultihost reports whether each configured language has a unique baseURL.
 func (i HugoInfo) IsMultihost() bool {
 	return i.opts.Conf.IsMultihost()
@@ -168,7 +162,7 @@ func NewHugoInfo(opts HugoInfoOptions) HugoInfo {
 		BuildDate:  opts.BuildDate,
 		GoVersion:  opts.GoVersion,
 
-		hugoInfoProviders: hugoInfoProviders{HugoInfoHugoSitesProvider: opts.HugoInfoHugoSitesProvider},
+		HugoInfoHugoSitesProvider: opts.HugoInfoHugoSitesProvider,
 
 		opts:  opts,
 		store: hstore.NewScratch(),

resources/page/page.go

@@ -327,8 +327,9 @@ type PageMetaInternalProvider interface {
 
 // PageRenderProvider provides a way for a Page to render content.
 type PageRenderProvider interface {
-	// Render renders the given layout with this Page as context.
-	Render(ctx context.Context, layout ...string) (template.HTML, error)
+	// Render renders the given view (a layout template) with this Page as
+	// the data context, or, if given, the second argument CONTEXT.
+	Render(ctx context.Context, args ...any) (template.HTML, error)
 	// RenderString renders the first value in args with the content renderer defined
 	// for this Page.
 	// It takes an optional map as a second argument:

resources/page/page_lazy_contentprovider.go

@@ -117,8 +117,8 @@ func (lcp *LazyContentProvider) Len(ctx context.Context) int {
 	return lcp.init.Value(ctx).Len(ctx)
 }
 
-func (lcp *LazyContentProvider) Render(ctx context.Context, layout ...string) (template.HTML, error) {
-	return lcp.init.Value(ctx).Render(ctx, layout...)
+func (lcp *LazyContentProvider) Render(ctx context.Context, args ...any) (template.HTML, error) {
+	return lcp.init.Value(ctx).Render(ctx, args...)
 }
 
 func (lcp *LazyContentProvider) RenderString(ctx context.Context, args ...any) (template.HTML, error) {

resources/page/page_nop.go

@@ -399,7 +399,7 @@ func (p *nopPage) RelRef(argsm map[string]any) (string, error) {
 	return "", nil
 }
 
-func (p *nopPage) Render(ctx context.Context, layout ...string) (template.HTML, error) {
+func (p *nopPage) Render(ctx context.Context, args ...any) (template.HTML, error) {
 	return "", nil
 }
 

resources/page/pages.go

@@ -130,6 +130,11 @@ func (pages Pages) ProbablyEq(other any) bool {
 	return true
 }
 
+// IndexOf returns the index of page in p, or -1 if not found.
+func (p Pages) IndexOf(page Page) int {
+	return searchPage(page, p)
+}
+
 // PagesFactory somehow creates some Pages.
 // We do a lot of lazy Pages initialization in Hugo, so we need a type.
 type PagesFactory func() Pages

resources/page/pages_cache_test.go

@@ -31,8 +31,8 @@ func TestPageCache(t *testing.T) {
 		p[0].(*testPage).description = "changed"
 	}
 
-	var o1 uint64
-	var o2 uint64
+	var o1 atomic.Uint64
+	var o2 atomic.Uint64
 
 	var wg sync.WaitGroup
 
@@ -50,7 +50,7 @@ func TestPageCache(t *testing.T) {
 			for k, pages := range testPageSets {
 				l1.Lock()
 				p, ca := c1.get("k1", nil, pages)
-				c.Assert(ca, qt.Equals, !atomic.CompareAndSwapUint64(&o1, uint64(k), uint64(k+1)))
+				c.Assert(ca, qt.Equals, !o1.CompareAndSwap(uint64(k), uint64(k+1)))
 				l1.Unlock()
 				p2, c2 := c1.get("k1", nil, p)
 				c.Assert(c2, qt.Equals, true)
@@ -60,7 +60,7 @@ func TestPageCache(t *testing.T) {
 
 				l2.Lock()
 				p3, c3 := c1.get("k2", changeFirst, pages)
-				c.Assert(c3, qt.Equals, !atomic.CompareAndSwapUint64(&o2, uint64(k), uint64(k+1)))
+				c.Assert(c3, qt.Equals, !o2.CompareAndSwap(uint64(k), uint64(k+1)))
 				l2.Unlock()
 				c.Assert(p3, qt.Not(qt.IsNil))
 				c.Assert("changed", qt.Equals, p3[0].(*testPage).description)

resources/page/pages_test.go

@@ -70,3 +70,15 @@ func TestToPages(t *testing.T) {
 	_, err := ToPages("not a page")
 	c.Assert(err, qt.Not(qt.IsNil))
 }
+
+func TestIndexOf(t *testing.T) {
+	c := qt.New(t)
+
+	p1, p2, p3, p4 := &testPage{title: "p1"}, &testPage{title: "p2"}, &testPage{title: "p3"}, &testPage{title: "p4"}
+
+	pages := Pages{p1, p2, p3}
+	c.Assert(pages.IndexOf(p1), qt.Equals, 0)
+	c.Assert(pages.IndexOf(p2), qt.Equals, 1)
+	c.Assert(pages.IndexOf(p3), qt.Equals, 2)
+	c.Assert(pages.IndexOf(p4), qt.Equals, -1)
+}

resources/page/testhelpers_test.go

@@ -483,7 +483,7 @@ func (p *testPage) RelRefFrom(argsm map[string]any, source any) (string, error)
 	return "", nil
 }
 
-func (p *testPage) Render(ctx context.Context, layout ...string) (template.HTML, error) {
+func (p *testPage) Render(ctx context.Context, args ...any) (template.HTML, error) {
 	panic("testpage: not implemented")
 }
 

resources/post_publish.go

@@ -26,10 +26,6 @@ type transformationKeyer interface {
 func (spec *Spec) PostProcess(r resource.Resource) (postpub.PostPublishedResource, error) {
 	key := r.(transformationKeyer).TransformationKey()
 	return spec.PostProcessResources.GetOrCreate(key, func() (postpub.PostPublishedResource, error) {
-		result := postpub.NewPostPublishResource(spec.incr.Incr(), r)
-		if result == nil {
-			panic("got nil result")
-		}
-		return result, nil
+		return postpub.NewPostPublishResource(spec.incr.Incr(), r), nil
 	})
 }