Prerelease v0.34.4-rc.4

Fixes regression introduced in 852c7f8

.circleci/config.yml

@@ -1,105 +0,0 @@
-version: 2.1
-
-workflows:
-  build:
-    jobs:
-      - linux-arm64-glibc-node-18:
-          filters:
-            tags:
-              only: /^v.*/
-      - linux-arm64-musl-node-18:
-          filters:
-            tags:
-              only: /^v.*/
-      - linux-arm64-glibc-node-20:
-          filters:
-            tags:
-              only: /^v.*/
-      - linux-arm64-musl-node-20:
-          filters:
-            tags:
-              only: /^v.*/
-
-jobs:
-  linux-arm64-glibc-node-18:
-    resource_class: arm.medium
-    machine:
-      image: ubuntu-2204:current
-    steps:
-      - checkout
-      - run: |
-          sudo docker run -dit --name sharp --volume "${PWD}:/mnt/sharp" --workdir /mnt/sharp arm64v8/debian:bullseye
-          sudo docker exec sharp sh -c "apt-get update && apt-get install -y build-essential git python3 curl fonts-noto-core"
-          sudo docker exec sharp sh -c "mkdir -p /etc/apt/keyrings"
-          sudo docker exec sharp sh -c "curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg"
-          sudo docker exec sharp sh -c "echo 'deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_18.x nodistro main' | tee /etc/apt/sources.list.d/nodesource.list"
-          sudo docker exec sharp sh -c "apt-get update && apt-get install -y nodejs"
-      - run: sudo docker exec sharp sh -c "npm install --build-from-source"
-      - run: sudo docker exec sharp sh -c "npm test"
-      - run: |
-          sudo docker exec sharp sh -c "npm run package-from-local-build"
-          sudo docker exec sharp sh -c "npm pkg set \"optionalDependencies.@img/sharp-linux-arm64=file:./npm/linux-arm64\""
-          sudo docker exec sharp sh -c "npm run clean"
-          sudo docker exec sharp sh -c "npm install --ignore-scripts"
-          sudo docker exec sharp sh -c "npm test"
-      - run: "[[ -n $CIRCLE_TAG ]] && sudo docker exec --env prebuild_upload sharp sh -c \"cd src && ln -s ../package.json && npx prebuild --upload=$prebuild_upload\" || true"
-  linux-arm64-glibc-node-20:
-    resource_class: arm.medium
-    machine:
-      image: ubuntu-2204:current
-    steps:
-      - checkout
-      - run: |
-          sudo docker run -dit --name sharp --workdir /mnt/sharp arm64v8/debian:bullseye
-          sudo docker exec sharp sh -c "apt-get update && apt-get install -y build-essential git python3 curl fonts-noto-core"
-          sudo docker exec sharp sh -c "mkdir -p /etc/apt/keyrings"
-          sudo docker exec sharp sh -c "curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg"
-          sudo docker exec sharp sh -c "echo 'deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_20.x nodistro main' | tee /etc/apt/sources.list.d/nodesource.list"
-          sudo docker exec sharp sh -c "apt-get update && apt-get install -y nodejs"
-          sudo docker exec sharp sh -c "mkdir -p /mnt/sharp"
-          sudo docker cp . sharp:/mnt/sharp/.
-      - run: sudo docker exec sharp sh -c "npm install --build-from-source"
-      - run: sudo docker exec sharp sh -c "npm test"
-      - run: |
-          sudo docker exec sharp sh -c "npm run package-from-local-build"
-          sudo docker exec sharp sh -c "npm pkg set \"optionalDependencies.@img/sharp-linux-arm64=file:./npm/linux-arm64\""
-          sudo docker exec sharp sh -c "npm run clean"
-          sudo docker exec sharp sh -c "npm install --ignore-scripts"
-          sudo docker exec sharp sh -c "npm test"
-  linux-arm64-musl-node-18:
-    resource_class: arm.medium
-    machine:
-      image: ubuntu-2204:current
-    steps:
-      - checkout
-      - run: |
-          sudo docker run -dit --name sharp --volume "${PWD}:/mnt/sharp" --workdir /mnt/sharp node:18-alpine3.17
-          sudo docker exec sharp sh -c "apk add build-base git python3 font-noto --update-cache"
-      - run: sudo docker exec sharp sh -c "npm install --build-from-source"
-      - run: sudo docker exec sharp sh -c "npm test"
-      - run: |
-          sudo docker exec sharp sh -c "npm run package-from-local-build"
-          sudo docker exec sharp sh -c "npm pkg set \"optionalDependencies.@img/sharp-linuxmusl-arm64=file:./npm/linuxmusl-arm64\""
-          sudo docker exec sharp sh -c "npm run clean"
-          sudo docker exec sharp sh -c "npm install --ignore-scripts"
-          sudo docker exec sharp sh -c "npm test"
-      - run: "[[ -n $CIRCLE_TAG ]] && sudo docker exec --env prebuild_upload sharp sh -c \"cd src && ln -s ../package.json && npx prebuild --upload=$prebuild_upload\" || true"
-  linux-arm64-musl-node-20:
-    resource_class: arm.medium
-    machine:
-      image: ubuntu-2204:current
-    steps:
-      - checkout
-      - run: |
-          sudo docker run -dit --name sharp --workdir /mnt/sharp node:20-alpine3.18
-          sudo docker exec sharp sh -c "apk add build-base git python3 font-noto --update-cache"
-          sudo docker exec sharp sh -c "mkdir -p /mnt/sharp"
-          sudo docker cp . sharp:/mnt/sharp/.
-      - run: sudo docker exec sharp sh -c "npm install --build-from-source"
-      - run: sudo docker exec sharp sh -c "npm test"
-      - run: |
-          sudo docker exec sharp sh -c "npm run package-from-local-build"
-          sudo docker exec sharp sh -c "npm pkg set \"optionalDependencies.@img/sharp-linuxmusl-arm64=file:./npm/linuxmusl-arm64\""
-          sudo docker exec sharp sh -c "npm run clean"
-          sudo docker exec sharp sh -c "npm install --ignore-scripts"
-          sudo docker exec sharp sh -c "npm test"

.cirrus.yml

@@ -1,5 +1,5 @@
 freebsd_instance:
-  image_family: freebsd-14-0-snap
+  image_family: freebsd-15-0-snap
 
 task:
   name: FreeBSD

.github/workflows/ci.yml

@@ -4,10 +4,10 @@ on:
   - pull_request
 permissions: {}
 jobs:
-  github-runner:
+  build-native:
     permissions:
-      contents: write
+      contents: read
-    name: ${{ matrix.platform }} - Node.js ${{ matrix.nodejs_version_major }} ${{ matrix.prebuild && '- prebuild' }}
+    name: "build-${{ matrix.platform }} [Node.js ${{ matrix.nodejs_version_major }}] ${{ matrix.package && '[package]' }}"
     runs-on: ${{ matrix.os }}
     container: ${{ matrix.container }}
     strategy:
@@ -20,7 +20,7 @@ jobs:
             nodejs_version: "^18.17.0"
             nodejs_version_major: 18
             platform: linux-x64
-            prebuild: true
+            package: true
           - os: ubuntu-24.04
             container: rockylinux:8
             nodejs_arch: x64
@@ -37,7 +37,7 @@ jobs:
             container: node:18-alpine3.17
             nodejs_version_major: 18
             platform: linuxmusl-x64
-            prebuild: true
+            package: true
           - os: ubuntu-24.04
             container: node:20-alpine3.18
             nodejs_version_major: 20
@@ -46,12 +46,25 @@ jobs:
             container: node:22-alpine3.20
             nodejs_version_major: 22
             platform: linuxmusl-x64
+          - os: ubuntu-24.04-arm
+            container: arm64v8/rockylinux:8
+            nodejs_arch: arm64
+            nodejs_version: "^18.17.0"
+            nodejs_version_major: 18
+            platform: linux-arm64
+            package: true
+          - os: ubuntu-24.04-arm
+            container: arm64v8/rockylinux:8
+            nodejs_arch: arm64
+            nodejs_version: "^20.3.0"
+            nodejs_version_major: 20
+            platform: linux-arm64
           - os: macos-13
             nodejs_arch: x64
             nodejs_version: "^18.17.0"
             nodejs_version_major: 18
             platform: darwin-x64
-            prebuild: true
+            package: true
           - os: macos-13
             nodejs_arch: x64
             nodejs_version: "^20.3.0"
@@ -67,7 +80,7 @@ jobs:
             nodejs_version: "^18.17.0"
             nodejs_version_major: 18
             platform: darwin-arm64
-            prebuild: true
+            package: true
           - os: macos-14
             nodejs_arch: arm64
             nodejs_version: "^20.3.0"
@@ -78,34 +91,34 @@ jobs:
             nodejs_version: "^22.9.0"
             nodejs_version_major: 22
             platform: darwin-arm64
-          - os: windows-2019
+          - os: windows-2022
             nodejs_arch: x86
             nodejs_version: "18.18.2" # pinned to avoid 18.19.0 and npm 10
             nodejs_version_major: 18
             platform: win32-ia32
-            prebuild: true
+            package: true
-          - os: windows-2019
+          - os: windows-2022
             nodejs_arch: x86
             nodejs_version: "^20.3.0"
             nodejs_version_major: 20
             platform: win32-ia32
-          - os: windows-2019
+          - os: windows-2022
             nodejs_arch: x86
             nodejs_version: "^22.9.0"
             nodejs_version_major: 22
             platform: win32-ia32
-          - os: windows-2019
+          - os: windows-2022
             nodejs_arch: x64
             nodejs_version: "^18.17.0"
             nodejs_version_major: 18
             platform: win32-x64
-            prebuild: true
+            package: true
-          - os: windows-2019
+          - os: windows-2022
             nodejs_arch: x64
             nodejs_version: "^20.3.0"
             nodejs_version_major: 20
             platform: win32-x64
-          - os: windows-2019
+          - os: windows-2022
             nodejs_arch: x64
             nodejs_version: "^22.9.0"
             nodejs_version_major: 22
@@ -115,7 +128,7 @@ jobs:
             nodejs_version: "^20.3.0"
             nodejs_version_major: 20
             platform: win32-arm64
-            prebuild: true
+            package: true
           - os: windows-11-arm
             nodejs_arch: arm64
             nodejs_version: "^22.9.0"
@@ -125,8 +138,8 @@ jobs:
       - name: Dependencies (Rocky Linux glibc)
         if: contains(matrix.container, 'rockylinux')
         run: |
-          dnf install -y gcc-toolset-11-gcc-c++ make git python3.12 fontconfig google-noto-sans-fonts
+          dnf install -y gcc-toolset-14-gcc-c++ make git python3.12 fontconfig google-noto-sans-fonts
-          echo "/opt/rh/gcc-toolset-11/root/usr/bin" >> $GITHUB_PATH
+          echo "/opt/rh/gcc-toolset-14/root/usr/bin" >> $GITHUB_PATH
       - name: Dependencies (Linux musl)
         if: contains(matrix.container, 'alpine')
         run: apk add build-base git python3 font-noto --update-cache
@@ -141,31 +154,69 @@ jobs:
         with:
           node-version: ${{ matrix.nodejs_version }}
           architecture: ${{ matrix.nodejs_arch }}
-      - name: Checkout
+      - uses: actions/checkout@v4
-        uses: actions/checkout@v4
       - name: Install
         run: npm install --build-from-source
       - name: Test
         run: npm test
-      - name: Test packaging
+      - name: Populate npm package
-        run: |
+        if: matrix.package
-          npm run package-from-local-build
+        run: npm run package-from-local-build
-          npm pkg set "optionalDependencies.@img/sharp-${{ matrix.platform }}=file:./npm/${{ matrix.platform }}"
+      - uses: actions/upload-artifact@v4
-          npm run clean
+        if: matrix.package
-          npm install --ignore-scripts
+        with:
-          npm test
+          name: ${{ matrix.platform }}
-      - name: Prebuild
+          path: npm/${{ matrix.platform }}
-        if: matrix.prebuild && startsWith(github.ref, 'refs/tags/')
+          retention-days: 1
-        env:
+          if-no-files-found: error
-          prebuild_upload: ${{ secrets.GITHUB_TOKEN }}
+  build-linuxmusl-arm64:
-        run: |
-          node -e "require('fs').cpSync('package.json', 'src/package.json')"
-          cd src
-          npx prebuild
-  github-runner-qemu:
     permissions:
-      contents: write
+      contents: read
-    name: ${{ matrix.platform }} - Node.js ${{ matrix.nodejs_version_major }} - prebuild
+    name: "build-linuxmusl-arm64 [Node.js ${{ matrix.nodejs_version_major }}] ${{ matrix.package && '[package]' }}"
+    runs-on: ubuntu-24.04-arm
+    container:
+      image: ${{ matrix.container }}
+      volumes:
+        - /opt:/opt:rw,rshared
+        - /opt:/__e/node20:ro,rshared
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+        - container: node:18-alpine3.17
+          nodejs_version_major: 18
+          package: true
+        - container: node:20-alpine3.18
+          nodejs_version_major: 20
+    steps:
+      - name: Allow Linux musl containers on ARM64 runners # https://github.com/actions/runner/issues/801#issuecomment-2394425757
+        shell: sh
+        run: |
+          sed -i "/^ID=/s/alpine/NotpineForGHA/" /etc/os-release
+          apk add nodejs --update-cache
+          mkdir /opt/bin
+          ln -s /usr/bin/node /opt/bin/node
+      - name: Dependencies
+        run: apk add build-base git python3 font-noto --update-cache
+      - uses: actions/checkout@v4
+      - name: Install
+        run: npm install --build-from-source
+      - name: Test
+        run: npm test
+      - name: Populate npm package
+        if: matrix.package
+        run: npm run package-from-local-build
+      - uses: actions/upload-artifact@v4
+        if: matrix.package
+        with:
+          name: linuxmusl-arm64
+          path: npm/linuxmusl-arm64
+          retention-days: 1
+          if-no-files-found: error
+  build-qemu:
+    permissions:
+      contents: read
+    name: "build-${{ matrix.platform }} [Node.js ${{ matrix.nodejs_version_major }}] [package]"
     runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
@@ -179,14 +230,14 @@ jobs:
             nodejs_version: "18.17.0"
             nodejs_version_major: 18
           - platform: linux-s390x
-            distro: bullseye
+            distro: bookworm
             run_on_arch: s390x
             nodejs_arch: s390x
             nodejs_hostname: nodejs.org
             nodejs_version: "18.17.0"
             nodejs_version_major: 18
           - platform: linux-ppc64
-            distro: bullseye
+            distro: bookworm
             run_on_arch: ppc64le
             nodejs_arch: ppc64le
             nodejs_hostname: nodejs.org
@@ -198,8 +249,6 @@ jobs:
         with:
           arch: ${{ matrix.run_on_arch }}
           distro: ${{ matrix.distro }}
-          env: |
-            prebuild_upload: "${{ startsWith(github.ref, 'refs/tags/') && secrets.GITHUB_TOKEN || '' }}"
           run: |
             apt-get update
             apt-get install -y curl g++ git libatomic1 make python3 xz-utils
@@ -209,20 +258,20 @@ jobs:
             npm install --build-from-source
             npx mocha --no-config --spec=test/unit/io.js --timeout=30000
             npm run package-from-local-build
-            npm pkg set "optionalDependencies.@img/sharp-${{ matrix.platform }}=file:./npm/${{ matrix.platform }}"
+      - uses: actions/upload-artifact@v4
-            npm run clean
+        with:
-            npm install --ignore-scripts
+          name: ${{ matrix.platform }}
-            npx mocha --no-config --spec=test/unit/io.js --timeout=30000
+          path: npm/${{ matrix.platform }}
-            [[ -n $prebuild_upload ]] && cd src && ln -s ../package.json && npx prebuild || true
+          retention-days: 1
-  github-runner-emscripten:
+          if-no-files-found: error
+  build-emscripten:
     permissions:
-      contents: write
+      contents: read
-    name: wasm32 - prebuild
+    name: "build-wasm32 [package]"
     runs-on: ubuntu-24.04
-    container: "emscripten/emsdk:4.0.6"
+    container: "emscripten/emsdk:4.0.14"
     steps:
-      - name: Checkout
+      - uses: actions/checkout@v4
-        uses: actions/checkout@v4
       - name: Dependencies
         run: apt-get update && apt-get install -y pkg-config
       - name: Dependencies (Node.js)
@@ -240,17 +289,48 @@ jobs:
           test "$EMSCRIPTEN_VERSION_LIBVIPS" = "$EMSCRIPTEN_VERSION_SHARP"
       - name: Test
         run: emmake npm test
-      - name: Test packaging
+      - name: Populate npm package
-        run: |
+        run: emmake npm run package-from-local-build
-          emmake npm run package-from-local-build
+      - uses: actions/upload-artifact@v4
-          npm pkg set "optionalDependencies.@img/sharp-wasm32=file:./npm/wasm32"
+        with:
-          npm run clean
+          name: wasm32
-          rm -rf node_modules/@img/sharp-linux-x64
+          path: npm/wasm32
-          npm install --cpu=wasm32
+          retention-days: 1
-          npm test
+          if-no-files-found: error
-      - name: Prebuild
+  release:
-        if: startsWith(github.ref, 'refs/tags/')
+    permissions:
-        env:
+      contents: write
-          npm_config_nodedir: emscripten
+      id-token: write
-          prebuild_upload: ${{ secrets.GITHUB_TOKEN }}
+    runs-on: ubuntu-24.04
-        run: cd src && ln -s ../package.json && emmake npx prebuild --platform=emscripten --arch=wasm32 --strip=0
+    needs:
+      - build-native
+      - build-linuxmusl-arm64
+      - build-qemu
+      - build-emscripten
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/download-artifact@v4
+        with:
+          path: npm
+      - name: Create npm workspace tarball
+        run: tar -vcaf npm-workspace.tar.xz --directory npm --exclude=from-local-build.js .
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '24'
+      - name: Create release notes
+        run: npm run package-release-notes
+      - name: Create GitHub release for tag
+        if: startsWith(github.ref, 'refs/tags/v')
+        uses: ncipollo/release-action@v1
+        with:
+          artifacts: npm-workspace.tar.xz
+          artifactContentType: application/x-xz
+          prerelease: ${{ contains(github.ref, '-rc') }}
+          makeLatest: ${{ !contains(github.ref, '-rc') }}
+          bodyFile: release-notes.md
+      - name: Publish platform-specific npm packages
+        if: startsWith(github.ref, 'refs/tags/v')
+        run: cd npm && npm publish --workspaces --tag=${{ contains(github.ref, '-rc') && 'next' || 'latest' }}
+      - name: Publish sharp npm package
+        if: startsWith(github.ref, 'refs/tags/v')
+        run: npm publish --tag=${{ contains(github.ref, '-rc') && 'next' || 'latest' }}

.github/workflows/npm.yml

@@ -70,33 +70,33 @@ jobs:
             runtime: bun
 
           - name: win32-x64-node-npm
-            runs-on: windows-2019
+            runs-on: windows-2022
             runtime: node
             package-manager: npm
           - name: win32-x64-node-pnpm
-            runs-on: windows-2019
+            runs-on: windows-2022
             runtime: node
             package-manager: pnpm
           - name: win32-x64-node-yarn
-            runs-on: windows-2019
+            runs-on: windows-2022
             runtime: node
             package-manager: yarn
           - name: win32-x64-node-yarn-pnp
-            runs-on: windows-2019
+            runs-on: windows-2022
             runtime: node
             package-manager: yarn-pnp
           - name: win32-x64-node-yarn-v1
-            runs-on: windows-2019
+            runs-on: windows-2022
             runtime: node
             package-manager: yarn-v1
           - name: win32-x64-deno
-            runs-on: windows-2019
+            runs-on: windows-2022
             runtime: deno
 
     steps:
       - name: Install Node.js
         if: ${{ matrix.runtime == 'node' }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
           node-version: 20
       - name: Install pnpm
@@ -106,9 +106,9 @@ jobs:
           version: 8
       - name: Install Deno
         if: ${{ matrix.runtime == 'deno' }}
-        uses: denoland/setup-deno@v1
+        uses: denoland/setup-deno@v2
         with:
-          deno-version: v1.x
+          deno-version: v2.x
       - name: Install Bun
         if: ${{ matrix.runtime == 'bun' }}
         uses: oven-sh/setup-bun@v2
@@ -117,7 +117,7 @@ jobs:
 
       - name: Version
         id: version
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             core.setOutput('semver', context.ref.replace('refs/tags/v',''))

.gitignore

@@ -16,3 +16,4 @@ package-lock.json
 .firebase
 .astro
 docs/dist
+release-notes.md

.prebuildrc

@@ -1,6 +0,0 @@
-{
-  "runtime": "napi",
-  "include-regex": "(sharp-.+\\.node|libvips-.+\\.dll)",
-  "prerelease": true,
-  "strip": true
-}

docs/astro.config.mjs

@@ -1,6 +1,9 @@
 // @ts-check
 import { defineConfig } from 'astro/config';
 import starlight from '@astrojs/starlight';
+import starlightAutoSidebar from 'starlight-auto-sidebar';
+
+import { version } from '../package.json';
 
 export default defineConfig({
   site: 'https://sharp.pixelplumbing.com',
@@ -68,12 +71,20 @@ export default defineConfig({
           ]
         },
         { label: 'Performance', slug: 'performance' },
-        { label: 'Changelog', slug: 'changelog' }
+        {
+          label: 'Changelog',
+          collapsed: true,
+          autogenerate: { directory: 'changelog' }
+        }
       ],
       social: [
         { icon: 'openCollective', label: 'Open Collective', href: 'https://opencollective.com/libvips' },
         { icon: 'github', label: 'GitHub', href: 'https://github.com/lovell/sharp' }
-      ]
+      ],
+      plugins: [starlightAutoSidebar()]
     })
-  ]
+  ],
+  redirects: {
+    '/changelog': `/changelog/v${version}`
+  }
 });

docs/package.json

@@ -11,7 +11,8 @@
     "astro": "astro"
   },
   "dependencies": {
-    "@astrojs/starlight": "^0.34.3",
+    "@astrojs/starlight": "^0.35.2",
-    "astro": "^5.7.13"
+    "astro": "^5.13.5",
+    "starlight-auto-sidebar": "^0.1.2"
   }
 }

docs/public/humans.txt

@@ -320,3 +320,9 @@ GitHub: https://github.com/qpincon
 
 Name: Hans Chen
 GitHub: https://github.com/hans00
+
+Name: Thibaut Patel
+GitHub: https://github.com/tpatel
+
+Name: Maël Nison
+GitHub: https://github.com/arcanis

docs/src/content.config.ts

@@ -1,7 +1,10 @@
 import { defineCollection } from 'astro:content';
 import { docsLoader } from '@astrojs/starlight/loaders';
 import { docsSchema } from '@astrojs/starlight/schema';
+import { autoSidebarLoader } from 'starlight-auto-sidebar/loader'
+import { autoSidebarSchema } from 'starlight-auto-sidebar/schema'
 
 export const collections = {
 	docs: defineCollection({ loader: docsLoader(), schema: docsSchema() }),
+	autoSidebar: defineCollection({ loader: autoSidebarLoader(), schema: autoSidebarSchema() })
 };

docs/src/content/docs/api-channel.md

@@ -61,6 +61,8 @@ const rgba = await sharp(rgb)
 
 Extract a single channel from a multi-channel image.
 
+The output colourspace will be either `b-w` (8-bit) or `grey16` (16-bit).
+
 
 **Throws**:
 

docs/src/content/docs/api-constructor.md

@@ -44,24 +44,23 @@ where the overall height is the `pageHeight` multiplied by the number of `pages`
 | [options.ignoreIcc] | <code>number</code> | <code>false</code> | should the embedded ICC profile, if any, be ignored. |
 | [options.pages] | <code>number</code> | <code>1</code> | Number of pages to extract for multi-page input (GIF, WebP, TIFF), use -1 for all pages. |
 | [options.page] | <code>number</code> | <code>0</code> | Page number to start extracting from for multi-page input (GIF, WebP, TIFF), zero based. |
-| [options.subifd] | <code>number</code> | <code>-1</code> | subIFD (Sub Image File Directory) to extract for OME-TIFF, defaults to main image. |
-| [options.level] | <code>number</code> | <code>0</code> | level to extract from a multi-level input (OpenSlide), zero based. |
-| [options.pdfBackground] | <code>string</code> \| <code>Object</code> |  | Background colour to use when PDF is partially transparent. Parsed by the [color](https://www.npmjs.org/package/color) module to extract values for red, green, blue and alpha. Requires the use of a globally-installed libvips compiled with support for PDFium, Poppler, ImageMagick or GraphicsMagick. |
 | [options.animated] | <code>boolean</code> | <code>false</code> | Set to `true` to read all frames/pages of an animated image (GIF, WebP, TIFF), equivalent of setting `pages` to `-1`. |
 | [options.raw] | <code>Object</code> |  | describes raw pixel input image data. See `raw()` for pixel ordering. |
 | [options.raw.width] | <code>number</code> |  | integral number of pixels wide. |
 | [options.raw.height] | <code>number</code> |  | integral number of pixels high. |
 | [options.raw.channels] | <code>number</code> |  | integral number of channels, between 1 and 4. |
 | [options.raw.premultiplied] | <code>boolean</code> |  | specifies that the raw input has already been premultiplied, set to `true`  to avoid sharp premultiplying the image. (optional, default `false`) |
+| [options.raw.pageHeight] | <code>number</code> |  | The pixel height of each page/frame for animated images, must be an integral factor of `raw.height`. |
 | [options.create] | <code>Object</code> |  | describes a new image to be created. |
 | [options.create.width] | <code>number</code> |  | integral number of pixels wide. |
 | [options.create.height] | <code>number</code> |  | integral number of pixels high. |
 | [options.create.channels] | <code>number</code> |  | integral number of channels, either 3 (RGB) or 4 (RGBA). |
 | [options.create.background] | <code>string</code> \| <code>Object</code> |  | parsed by the [color](https://www.npmjs.org/package/color) module to extract values for red, green, blue and alpha. |
+| [options.create.pageHeight] | <code>number</code> |  | The pixel height of each page/frame for animated images, must be an integral factor of `create.height`. |
 | [options.create.noise] | <code>Object</code> |  | describes a noise to be created. |
 | [options.create.noise.type] | <code>string</code> |  | type of generated noise, currently only `gaussian` is supported. |
-| [options.create.noise.mean] | <code>number</code> |  | mean of pixels in generated noise. |
+| [options.create.noise.mean] | <code>number</code> | <code>128</code> | Mean value of pixels in the generated noise. |
-| [options.create.noise.sigma] | <code>number</code> |  | standard deviation of pixels in generated noise. |
+| [options.create.noise.sigma] | <code>number</code> | <code>30</code> | Standard deviation of pixel values in the generated noise. |
 | [options.text] | <code>Object</code> |  | describes a new text image to be created. |
 | [options.text.text] | <code>string</code> |  | text to render as a UTF-8 string. It can contain Pango markup, for example `<i>Le</i>Monde`. |
 | [options.text.font] | <code>string</code> |  | font name to render with. |
@@ -81,6 +80,17 @@ where the overall height is the `pageHeight` multiplied by the number of `pages`
 | [options.join.background] | <code>string</code> \| <code>Object</code> |  | parsed by the [color](https://www.npmjs.org/package/color) module to extract values for red, green, blue and alpha. |
 | [options.join.halign] | <code>string</code> | <code>&quot;&#x27;left&#x27;&quot;</code> | horizontal alignment style for images joined horizontally (`'left'`, `'centre'`, `'center'`, `'right'`). |
 | [options.join.valign] | <code>string</code> | <code>&quot;&#x27;top&#x27;&quot;</code> | vertical alignment style for images joined vertically (`'top'`, `'centre'`, `'center'`, `'bottom'`). |
+| [options.tiff] | <code>Object</code> |  | Describes TIFF specific options. |
+| [options.tiff.subifd] | <code>number</code> | <code>-1</code> | Sub Image File Directory to extract for OME-TIFF, defaults to main image. |
+| [options.svg] | <code>Object</code> |  | Describes SVG specific options. |
+| [options.svg.stylesheet] | <code>string</code> |  | Custom CSS for SVG input, applied with a User Origin during the CSS cascade. |
+| [options.svg.highBitdepth] | <code>boolean</code> | <code>false</code> | Set to `true` to render SVG input at 32-bits per channel (128-bit) instead of 8-bits per channel (32-bit) RGBA. |
+| [options.pdf] | <code>Object</code> |  | Describes PDF specific options. Requires the use of a globally-installed libvips compiled with support for PDFium, Poppler, ImageMagick or GraphicsMagick. |
+| [options.pdf.background] | <code>string</code> \| <code>Object</code> |  | Background colour to use when PDF is partially transparent. Parsed by the [color](https://www.npmjs.org/package/color) module to extract values for red, green, blue and alpha. |
+| [options.openSlide] | <code>Object</code> |  | Describes OpenSlide specific options. Requires the use of a globally-installed libvips compiled with support for OpenSlide. |
+| [options.openSlide.level] | <code>number</code> | <code>0</code> | Level to extract from a multi-level input, zero based. |
+| [options.jp2] | <code>Object</code> |  | Describes JPEG 2000 specific options. Requires the use of a globally-installed libvips compiled with support for OpenJPEG. |
+| [options.jp2.oneshot] | <code>boolean</code> | <code>false</code> | Set to `true` to decode tiled JPEG 2000 images in a single operation, improving compatibility. |
 
 **Example**  
 ```js

docs/src/content/docs/api-input.md

@@ -46,6 +46,7 @@ A `Promise` is returned when `callback` is not provided.
 - `icc`: Buffer containing raw [ICC](https://www.npmjs.com/package/icc) profile data, if present
 - `iptc`: Buffer containing raw IPTC data, if present
 - `xmp`: Buffer containing raw XMP data, if present
+- `xmpAsString`: String containing XMP data, if valid UTF-8.
 - `tifftagPhotoshop`: Buffer containing raw TIFFTAG_PHOTOSHOP data, if present
 - `formatMagick`: String containing format for images loaded via *magick
 - `comments`: Array of keyword/text pairs representing PNG text blocks, if present.

docs/src/content/docs/api-output.md

@@ -242,6 +242,57 @@ const outputWithP3 = await sharp(input)
 ```
 
 
+## keepXmp
+> keepXmp() ⇒ <code>Sharp</code>
+
+Keep XMP metadata from the input image in the output image.
+
+
+**Since**: 0.34.3  
+**Example**  
+```js
+const outputWithXmp = await sharp(inputWithXmp)
+  .keepXmp()
+  .toBuffer();
+```
+
+
+## withXmp
+> withXmp(xmp) ⇒ <code>Sharp</code>
+
+Set XMP metadata in the output image.
+
+Supported by PNG, JPEG, WebP, and TIFF output.
+
+
+**Throws**:
+
+- <code>Error</code> Invalid parameters
+
+**Since**: 0.34.3  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| xmp | <code>string</code> | String containing XMP metadata to be embedded in the output image. |
+
+**Example**  
+```js
+const xmpString = `
+  <?xml version="1.0"?>
+  <x:xmpmeta xmlns:x="adobe:ns:meta/">
+    <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+      <rdf:Description rdf:about="" xmlns:dc="http://purl.org/dc/elements/1.1/">
+        <dc:creator><rdf:Seq><rdf:li>John Doe</rdf:li></rdf:Seq></dc:creator>
+      </rdf:Description>
+    </rdf:RDF>
+  </x:xmpmeta>`;
+
+const data = await sharp(input)
+  .withXmp(xmpString)
+  .toBuffer();
+```
+
+
 ## keepMetadata
 > keepMetadata() ⇒ <code>Sharp</code>
 
@@ -496,6 +547,7 @@ The palette of the input image will be re-used if possible.
 | [options.dither] | <code>number</code> | <code>1.0</code> | level of Floyd-Steinberg error diffusion, between 0 (least) and 1 (most) |
 | [options.interFrameMaxError] | <code>number</code> | <code>0</code> | maximum inter-frame error for transparency, between 0 (lossless) and 32 |
 | [options.interPaletteMaxError] | <code>number</code> | <code>3</code> | maximum inter-palette error for palette reuse, between 0 and 256 |
+| [options.keepDuplicateFrames] | <code>boolean</code> | <code>false</code> | keep duplicate frames in the output instead of combining them |
 | [options.loop] | <code>number</code> | <code>0</code> | number of animation iterations, use 0 for infinite animation |
 | [options.delay] | <code>number</code> \| <code>Array.&lt;number&gt;</code> |  | delay(s) between animation frames (in milliseconds) |
 | [options.force] | <code>boolean</code> | <code>true</code> | force GIF output, otherwise attempt to use input format |

docs/src/content/docs/api-resize.md

@@ -38,6 +38,8 @@ Possible downsizing kernels are:
 - `mitchell`: Use a [Mitchell-Netravali spline](https://www.cs.utexas.edu/~fussell/courses/cs384g-fall2013/lectures/mitchell/Mitchell.pdf).
 - `lanczos2`: Use a [Lanczos kernel](https://en.wikipedia.org/wiki/Lanczos_resampling#Lanczos_kernel) with `a=2`.
 - `lanczos3`: Use a Lanczos kernel with `a=3` (the default).
+- `mks2013`: Use a [Magic Kernel Sharp](https://johncostella.com/magic/mks.pdf) 2013 kernel, as adopted by Facebook.
+- `mks2021`: Use a Magic Kernel Sharp 2021 kernel, with more accurate (reduced) sharpening than the 2013 version.
 
 When upsampling, these kernels map to `nearest`, `linear` and `cubic` interpolators.
 Downsampling kernels without a matching upsampling interpolator map to `cubic`.

docs/src/content/docs/api-utility.md

@@ -113,15 +113,9 @@ Some image format libraries spawn additional threads,
 e.g. libaom manages its own 4 threads when encoding AVIF images,
 and these are independent of the value set here.
 
-The maximum number of images that sharp can process in parallel
+:::note
-is controlled by libuv's `UV_THREADPOOL_SIZE` environment variable,
+Further [control over performance](/performance) is available.
-which defaults to 4.
+:::
-
-https://nodejs.org/api/cli.html#uv_threadpool_sizesize
-
-For example, by default, a machine with 8 CPU cores will process
-4 images in parallel and use up to 8 threads per image,
-so there will be up to 32 concurrent threads.
 
 
 **Returns**: <code>number</code> - concurrency  

docs/src/content/docs/changelog/_meta.yml

@@ -0,0 +1 @@
+sort: reverse-slug

docs/src/content/docs/changelog/v0.10.0.md

@@ -0,0 +1,22 @@
+---
+title: v0.10.0 - 23rd April 2015
+slug: changelog/v0.10.0
+---
+
+* Add support for Windows (x86).
+  [#19](https://github.com/lovell/sharp/issues/19)
+  [@DullReferenceException](https://github.com/DullReferenceException)
+  [@itsananderson](https://github.com/itsananderson)
+
+* Add support for Openslide input and DeepZoom output.
+  [#146](https://github.com/lovell/sharp/issues/146)
+  [@mvictoras](https://github.com/mvictoras)
+
+* Allow arbitrary aspect ratios when resizing images via new `ignoreAspectRatio` method.
+  [#192](https://github.com/lovell/sharp/issues/192)
+  [@skedastik](https://github.com/skedastik)
+
+* Enhance output image contrast by stretching its luminance to cover the full dynamic range via new `normalize` method.
+  [#194](https://github.com/lovell/sharp/issues/194)
+  [@bkw](https://github.com/bkw)
+  [@codingforce](https://github.com/codingforce)

docs/src/content/docs/changelog/v0.10.1.md

@@ -0,0 +1,12 @@
+---
+title: v0.10.1 - 1st June 2015
+slug: changelog/v0.10.1
+---
+
+* Allow embed of image with alpha transparency onto non-transparent background.
+  [#204](https://github.com/lovell/sharp/issues/204)
+  [@mikemliu](https://github.com/mikemliu)
+
+* Include C standard library for `atoi` as Xcode 6.3 appears to no longer do this.
+  [#228](https://github.com/lovell/sharp/issues/228)
+  [@doggan](https://github.com/doggan)

docs/src/content/docs/changelog/v0.11.0.md

@@ -0,0 +1,30 @@
+---
+title: v0.11.0 - 15th July 2015
+slug: changelog/v0.11.0
+---
+
+* Allow alpha transparency compositing via new `overlayWith` method.
+  [#97](https://github.com/lovell/sharp/issues/97)
+  [@gasi](https://github.com/gasi)
+
+* Expose raw ICC profile data as a Buffer when using `metadata`.
+  [#129](https://github.com/lovell/sharp/issues/129)
+  [@homerjam](https://github.com/homerjam)
+
+* Allow image header updates via a parameter passed to existing `withMetadata` method.
+  Provide initial support for EXIF `Orientation` tag,
+  which if present is now removed when using `rotate`, `flip` or `flop`.
+  [#189](https://github.com/lovell/sharp/issues/189)
+  [@h2non](https://github.com/h2non)
+
+* Tighten constructor parameter checks.
+  [#221](https://github.com/lovell/sharp/issues/221)
+  [@mikemorris](https://github.com/mikemorris)
+
+* Allow one input Stream to be shared with two or more output Streams via new `clone` method.
+  [#235](https://github.com/lovell/sharp/issues/235)
+  [@jaubourg](https://github.com/jaubourg)
+
+* Use `round` instead of `floor` when auto-scaling dimensions to avoid floating-point rounding errors.
+  [#238](https://github.com/lovell/sharp/issues/238)
+  [@richardadjogah](https://github.com/richardadjogah)

docs/src/content/docs/changelog/v0.11.1.md

@@ -0,0 +1,12 @@
+---
+title: v0.11.1 - 12th August 2015
+slug: changelog/v0.11.1
+---
+
+* Silence MSVC warning: "C4530: C++ exception handler used, but unwind semantics are not enabled".
+  [#244](https://github.com/lovell/sharp/pull/244)
+  [@TheThing](https://github.com/TheThing)
+
+* Suppress gamma correction for input image with alpha transparency.
+  [#249](https://github.com/lovell/sharp/issues/249)
+  [@compeak](https://github.com/compeak)

docs/src/content/docs/changelog/v0.11.2.md

@@ -0,0 +1,10 @@
+---
+title: v0.11.2 - 28th August 2015
+slug: changelog/v0.11.2
+---
+
+* Allow crop gravity to be provided as a String.
+  [#255](https://github.com/lovell/sharp/pull/255)
+  [@papandreou](https://github.com/papandreou)
+* Add support for io.js v3 and Node v4.
+  [#246](https://github.com/lovell/sharp/issues/246)

docs/src/content/docs/changelog/v0.11.3.md

@@ -0,0 +1,8 @@
+---
+title: v0.11.3 - 8th September 2015
+slug: changelog/v0.11.3
+---
+
+* Intrepret blurSigma, sharpenFlat, and sharpenJagged as double precision.
+  [#263](https://github.com/lovell/sharp/pull/263)
+  [@chrisriley](https://github.com/chrisriley)

docs/src/content/docs/changelog/v0.11.4.md

@@ -0,0 +1,16 @@
+---
+title: v0.11.4 - 5th November 2015
+slug: changelog/v0.11.4
+---
+
+* Add corners, e.g. `northeast`, to existing `gravity` option.
+  [#291](https://github.com/lovell/sharp/pull/291)
+  [@brandonaaron](https://github.com/brandonaaron)
+
+* Ensure correct auto-rotation for EXIF Orientation values 2 and 4.
+  [#288](https://github.com/lovell/sharp/pull/288)
+  [@brandonaaron](https://github.com/brandonaaron)
+
+* Make static linking possible via `--runtime_link` install option.
+  [#287](https://github.com/lovell/sharp/pull/287)
+  [@vlapo](https://github.com/vlapo)

docs/src/content/docs/changelog/v0.12.0.md

@@ -0,0 +1,38 @@
+---
+title: v0.12.0 - 23rd November 2015
+slug: changelog/v0.12.0
+---
+
+* Bundle pre-compiled libvips and its dependencies for 64-bit Linux and Windows.
+  [#42](https://github.com/lovell/sharp/issues/42)
+
+* Take advantage of libvips v8.1.0+ features.
+  [#152](https://github.com/lovell/sharp/issues/152)
+
+* Add support for 64-bit Windows. Drop support for 32-bit Windows.
+  [#224](https://github.com/lovell/sharp/issues/224)
+  [@sabrehagen](https://github.com/sabrehagen)
+
+* Switch default interpolator to bicubic.
+  [#289](https://github.com/lovell/sharp/issues/289)
+  [@mahnunchik](https://github.com/mahnunchik)
+
+* Pre-extract rotatation should not swap width/height.
+  [#296](https://github.com/lovell/sharp/issues/296)
+  [@asilvas](https://github.com/asilvas)
+
+* Ensure 16-bit+alpha input images are (un)premultiplied correctly.
+  [#301](https://github.com/lovell/sharp/issues/301)
+  [@izaakschroeder](https://github.com/izaakschroeder)
+
+* Add `threshold` operation.
+  [#303](https://github.com/lovell/sharp/pull/303)
+  [@dacarley](https://github.com/dacarley)
+
+* Add `negate` operation.
+  [#306](https://github.com/lovell/sharp/pull/306)
+  [@dacarley](https://github.com/dacarley)
+
+* Support `options` Object with existing `extract` operation.
+  [#309](https://github.com/lovell/sharp/pull/309)
+  [@papandreou](https://github.com/papandreou)

docs/src/content/docs/changelog/v0.12.1.md

@@ -0,0 +1,15 @@
+---
+title: v0.12.1 - 12th December 2015
+slug: changelog/v0.12.1
+---
+
+* Allow use of SIMD vector instructions (via liborc) to be toggled on/off.
+  [#172](https://github.com/lovell/sharp/issues/172)
+  [@bkw](https://github.com/bkw)
+  [@puzrin](https://github.com/puzrin)
+
+* Ensure embedded ICC profiles output with perceptual intent.
+  [#321](https://github.com/lovell/sharp/issues/321)
+  [@vlapo](https://github.com/vlapo)
+
+* Use the NPM-configured HTTPS proxy, if any, for binary downloads.

docs/src/content/docs/changelog/v0.12.2.md

@@ -0,0 +1,20 @@
+---
+title: v0.12.2 - 16th January 2016
+slug: changelog/v0.12.2
+---
+
+* Upgrade libvips to v8.2.0 for improved vips_shrink.
+
+* Add pre-compiled libvips for ARMv6+ CPUs.
+
+* Ensure 16-bit input images work with embed option.
+  [#325](https://github.com/lovell/sharp/issues/325)
+  [@janaz](https://github.com/janaz)
+
+* Allow compilation with gmake to provide FreeBSD support.
+  [#326](https://github.com/lovell/sharp/issues/326)
+  [@c0decafe](https://github.com/c0decafe)
+
+* Attempt to remove temporary file after installation.
+  [#331](https://github.com/lovell/sharp/issues/331)
+  [@dtoubelis](https://github.com/dtoubelis)

docs/src/content/docs/changelog/v0.13.0.md

@@ -0,0 +1,47 @@
+---
+title: v0.13.0 - 15th February 2016
+slug: changelog/v0.13.0
+---
+
+* Improve vector image support by allowing control of density/DPI.
+  Switch pre-built libs from Imagemagick to Graphicsmagick.
+  [#110](https://github.com/lovell/sharp/issues/110)
+  [@bradisbell](https://github.com/bradisbell)
+
+* Add support for raw, uncompressed pixel Buffer/Stream input.
+  [#220](https://github.com/lovell/sharp/issues/220)
+  [@mikemorris](https://github.com/mikemorris)
+
+* Switch from libvips' C to C++ bindings, requires upgrade to v8.2.2.
+  [#299](https://github.com/lovell/sharp/issues/299)
+
+* Control number of open files in libvips' cache; breaks existing `cache` behaviour.
+  [#315](https://github.com/lovell/sharp/issues/315)
+  [@impomezia](https://github.com/impomezia)
+
+* Ensure 16-bit input images can be normalised and embedded onto transparent backgrounds.
+  [#339](https://github.com/lovell/sharp/issues/339)
+  [#340](https://github.com/lovell/sharp/issues/340)
+  [@janaz](https://github.com/janaz)
+
+* Ensure selected format takes precedence over any unknown output filename extension.
+  [#344](https://github.com/lovell/sharp/issues/344)
+  [@ubaltaci](https://github.com/ubaltaci)
+
+* Add support for libvips' PBM, PGM, PPM and FITS image format loaders.
+  [#347](https://github.com/lovell/sharp/issues/347)
+  [@oaleynik](https://github.com/oaleynik)
+
+* Ensure default crop gravity is center/centre.
+  [#351](https://github.com/lovell/sharp/pull/351)
+  [@joelmukuthu](https://github.com/joelmukuthu)
+
+* Improve support for musl libc systems e.g. Alpine Linux.
+  [#354](https://github.com/lovell/sharp/issues/354)
+  [#359](https://github.com/lovell/sharp/pull/359)
+  [@download13](https://github.com/download13)
+  [@wjordan](https://github.com/wjordan)
+
+* Small optimisation when reducing by an integral factor to favour shrink over affine.
+
+* Add support for gamma correction of images with an alpha channel.

docs/src/content/docs/changelog/v0.13.1.md

@@ -0,0 +1,8 @@
+---
+title: v0.13.1 - 27th February 2016
+slug: changelog/v0.13.1
+---
+
+* Fix embedding onto transparent backgrounds; regression introduced in v0.13.0.
+  [#366](https://github.com/lovell/sharp/issues/366)
+  [@diegocsandrim](https://github.com/diegocsandrim)

docs/src/content/docs/changelog/v0.14.0.md

@@ -0,0 +1,39 @@
+---
+title: v0.14.0 - 2nd April 2016
+slug: changelog/v0.14.0
+---
+
+* Add ability to extend (pad) the edges of an image.
+  [#128](https://github.com/lovell/sharp/issues/128)
+  [@blowsie](https://github.com/blowsie)
+
+* Add support for Zoomify and Google tile layouts. Breaks existing tile API.
+  [#223](https://github.com/lovell/sharp/issues/223)
+  [@bdunnette](https://github.com/bdunnette)
+
+* Improvements to overlayWith: differing sizes/formats, gravity, buffer input.
+  [#239](https://github.com/lovell/sharp/issues/239)
+  [@chrisriley](https://github.com/chrisriley)
+
+* Add entropy-based crop strategy to remove least interesting edges.
+  [#295](https://github.com/lovell/sharp/issues/295)
+  [@rightaway](https://github.com/rightaway)
+
+* Expose density metadata; set density of images from vector input.
+  [#338](https://github.com/lovell/sharp/issues/338)
+  [@lookfirst](https://github.com/lookfirst)
+
+* Emit post-processing 'info' event for Stream output.
+  [#367](https://github.com/lovell/sharp/issues/367)
+  [@salzhrani](https://github.com/salzhrani)
+
+* Ensure output image EXIF Orientation values are within 1-8 range.
+  [#385](https://github.com/lovell/sharp/pull/385)
+  [@jtobinisaniceguy](https://github.com/jtobinisaniceguy)
+
+* Ensure ratios are not swapped when rotating 90/270 and ignoring aspect.
+  [#387](https://github.com/lovell/sharp/issues/387)
+  [@kleisauke](https://github.com/kleisauke)
+
+* Remove deprecated style of calling extract API. Breaks calls using positional arguments.
+  [#276](https://github.com/lovell/sharp/issues/276)

docs/src/content/docs/changelog/v0.14.1.md

@@ -0,0 +1,26 @@
+---
+title: v0.14.1 - 16th April 2016
+slug: changelog/v0.14.1
+---
+
+* Allow removal of limitation on input pixel count via limitInputPixels. Use with care.
+  [#250](https://github.com/lovell/sharp/issues/250)
+  [#316](https://github.com/lovell/sharp/pull/316)
+  [@anandthakker](https://github.com/anandthakker)
+  [@kentongray](https://github.com/kentongray)
+
+* Use final output image for metadata passed to callback.
+  [#399](https://github.com/lovell/sharp/pull/399)
+  [@salzhrani](https://github.com/salzhrani)
+
+* Add support for writing tiled images to a zip container.
+  [#402](https://github.com/lovell/sharp/pull/402)
+  [@felixbuenemann](https://github.com/felixbuenemann)
+
+* Allow use of embed with 1 and 2 channel images.
+  [#411](https://github.com/lovell/sharp/issues/411)
+  [@janaz](https://github.com/janaz)
+
+* Improve Electron compatibility by allowing node-gyp rebuilds without npm.
+  [#412](https://github.com/lovell/sharp/issues/412)
+  [@nouh](https://github.com/nouh)

docs/src/content/docs/changelog/v0.15.0.md

@@ -0,0 +1,20 @@
+---
+title: v0.15.0 - 21st May 2016
+slug: changelog/v0.15.0
+---
+
+* Use libvips' new Lanczos 3 kernel as default for image reduction.
+  Deprecate interpolateWith method, now provided as a resize option.
+  [#310](https://github.com/lovell/sharp/issues/310)
+  [@jcupitt](https://github.com/jcupitt)
+
+* Take advantage of libvips v8.3 features.
+  Add support for libvips' new GIF and SVG loaders.
+  Pre-built binaries now include giflib and librsvg, exclude *magick.
+  Use shrink-on-load for WebP input.
+  Break existing sharpen API to accept sigma and improve precision.
+  [#369](https://github.com/lovell/sharp/issues/369)
+
+* Remove unnecessary (un)premultiply operations when not resizing/compositing.
+  [#413](https://github.com/lovell/sharp/issues/413)
+  [@jardakotesovec](https://github.com/jardakotesovec)

docs/src/content/docs/changelog/v0.15.1.md

@@ -0,0 +1,68 @@
+---
+title: v0.15.1 - 12th July 2016
+slug: changelog/v0.15.1
+---
+
+* Concat Stream-based input in single operation for ~+3% perf and less GC.
+  [#429](https://github.com/lovell/sharp/issues/429)
+  [@papandreou](https://github.com/papandreou)
+
+* Add alpha channel, if required, before extend operation.
+  [#439](https://github.com/lovell/sharp/pull/439)
+  [@frulo](https://github.com/frulo)
+
+* Allow overlay image to be repeated across entire image via tile option.
+  [#443](https://github.com/lovell/sharp/pull/443)
+  [@lemnisk8](https://github.com/lemnisk8)
+
+* Add cutout option to overlayWith feature, applies only the alpha channel of the overlay image.
+  [#448](https://github.com/lovell/sharp/pull/448)
+  [@kleisauke](https://github.com/kleisauke)
+
+* Ensure scaling factors are calculated independently to prevent rounding errors.
+  [#452](https://github.com/lovell/sharp/issues/452)
+  [@puzrin](https://github.com/puzrin)
+
+* Add --sharp-cxx11 flag to compile with gcc's new C++11 ABI.
+  [#456](https://github.com/lovell/sharp/pull/456)
+  [@kapouer](https://github.com/kapouer)
+
+* Add top/left offset support to overlayWith operation.
+  [#473](https://github.com/lovell/sharp/pull/473)
+  [@rnanwani](https://github.com/rnanwani)
+
+* Add convolve operation for kernel-based convolution.
+  [#479](https://github.com/lovell/sharp/pull/479)
+  [@mhirsch](https://github.com/mhirsch)
+
+* Add greyscale option to threshold operation for colourspace conversion control.
+  [#480](https://github.com/lovell/sharp/pull/480)
+  [@mhirsch](https://github.com/mhirsch)
+
+* Ensure ICC profiles are licenced for distribution.
+  [#486](https://github.com/lovell/sharp/issues/486)
+  [@kapouer](https://github.com/kapouer)
+
+* Allow images with an alpha channel to work with LAB-colourspace based sharpen.
+  [#490](https://github.com/lovell/sharp/issues/490)
+  [@jwagner](https://github.com/jwagner)
+
+* Add trim operation to remove "boring" edges.
+  [#492](https://github.com/lovell/sharp/pull/492)
+  [@kleisauke](https://github.com/kleisauke)
+
+* Add bandbool feature for channel-wise boolean operations.
+  [#496](https://github.com/lovell/sharp/pull/496)
+  [@mhirsch](https://github.com/mhirsch)
+
+* Add extractChannel operation to extract a channel from an image.
+  [#497](https://github.com/lovell/sharp/pull/497)
+  [@mhirsch](https://github.com/mhirsch)
+
+* Add ability to read and write native libvips .v files.
+  [#500](https://github.com/lovell/sharp/pull/500)
+  [@mhirsch](https://github.com/mhirsch)
+
+* Add boolean feature for bitwise image operations.
+  [#501](https://github.com/lovell/sharp/pull/501)
+  [@mhirsch](https://github.com/mhirsch)

docs/src/content/docs/changelog/v0.16.0.md

@@ -0,0 +1,42 @@
+---
+title: v0.16.0 - 18th August 2016
+slug: changelog/v0.16.0
+---
+
+* Add pre-compiled libvips for OS X, ARMv7 and ARMv8.
+  [#312](https://github.com/lovell/sharp/issues/312)
+
+* Ensure boolean, bandbool, extractChannel ops occur before sRGB conversion.
+  [#504](https://github.com/lovell/sharp/pull/504)
+  [@mhirsch](https://github.com/mhirsch)
+
+* Recalculate factors after WebP shrink-on-load to avoid round-to-zero errors.
+  [#508](https://github.com/lovell/sharp/issues/508)
+  [@asilvas](https://github.com/asilvas)
+
+* Prevent boolean errors during extract operation.
+  [#511](https://github.com/lovell/sharp/pull/511)
+  [@mhirsch](https://github.com/mhirsch)
+
+* Add joinChannel and toColourspace/toColorspace operations.
+  [#513](https://github.com/lovell/sharp/pull/513)
+  [@mhirsch](https://github.com/mhirsch)
+
+* Add support for raw pixel data with boolean and withOverlay operations.
+  [#516](https://github.com/lovell/sharp/pull/516)
+  [@mhirsch](https://github.com/mhirsch)
+
+* Prevent bandbool creating a single channel sRGB image.
+  [#519](https://github.com/lovell/sharp/pull/519)
+  [@mhirsch](https://github.com/mhirsch)
+
+* Ensure ICC profiles are removed from PNG output unless withMetadata used.
+  [#521](https://github.com/lovell/sharp/issues/521)
+  [@ChrisPinewood](https://github.com/ChrisPinewood)
+
+* Add alpha channels, if missing, to overlayWith images.
+  [#540](https://github.com/lovell/sharp/pull/540)
+  [@cmtt](https://github.com/cmtt)
+
+* Remove deprecated interpolateWith method - use resize(w, h, { interpolator: ... })
+  [#310](https://github.com/lovell/sharp/issues/310)

docs/src/content/docs/changelog/v0.16.1.md

@@ -0,0 +1,21 @@
+---
+title: v0.16.1 - 13th October 2016
+slug: changelog/v0.16.1
+---
+
+* C++11 ABI version is now auto-detected, remove sharp-cxx11 installation flag.
+
+* Add experimental 'attention' crop strategy.
+  [#295](https://github.com/lovell/sharp/issues/295)
+
+* Include .node extension for Meteor's require() implementation.
+  [#537](https://github.com/lovell/sharp/issues/537)
+  [@isjackwild](https://github.com/isjackwild)
+
+* Ensure convolution kernel scale is clamped to a minimum value of 1.
+  [#561](https://github.com/lovell/sharp/issues/561)
+  [@abagshaw](https://github.com/abagshaw)
+
+* Correct calculation of y-axis placement when overlaying image at a fixed point.
+  [#566](https://github.com/lovell/sharp/issues/566)
+  [@Nateowami](https://github.com/Nateowami)

docs/src/content/docs/changelog/v0.16.2.md

@@ -0,0 +1,8 @@
+---
+title: v0.16.2 - 22nd October 2016
+slug: changelog/v0.16.2
+---
+
+* Restrict readelf usage to Linux only when detecting global libvips version.
+  [#602](https://github.com/lovell/sharp/issues/602)
+  [@caoko](https://github.com/caoko)

docs/src/content/docs/changelog/v0.17.0.md

@@ -0,0 +1,39 @@
+---
+title: v0.17.0 - 11th December 2016
+slug: changelog/v0.17.0
+---
+
+* Drop support for versions of Node prior to v4.
+
+* Deprecate the following output format "option" functions:
+    quality, progressive, compressionLevel, withoutAdaptiveFiltering,
+    withoutChromaSubsampling, trellisQuantisation, trellisQuantization,
+    overshootDeringing, optimiseScans and optimizeScans.
+  Access to these is now via output format functions, for example `quality(n)`
+    is now `jpeg({quality: n})` and/or `webp({quality: n})`.
+
+* Autoconvert GIF and SVG input to PNG output if no other format is specified.
+
+* Expose libvips' "centre" resize option to mimic \*magick's +0.5px convention.
+  [#568](https://github.com/lovell/sharp/issues/568)
+
+* Ensure support for embedded base64 PNG and JPEG images within an SVG.
+  [#601](https://github.com/lovell/sharp/issues/601)
+  [@dynamite-ready](https://github.com/dynamite-ready)
+
+* Ensure premultiply operation occurs before box filter shrink.
+  [#605](https://github.com/lovell/sharp/issues/605)
+  [@CmdrShepardsPie](https://github.com/CmdrShepardsPie)
+  [@teroparvinen](https://github.com/teroparvinen)
+
+* Add support for PNG and WebP tile-based output formats (in addition to JPEG).
+  [#622](https://github.com/lovell/sharp/pull/622)
+  [@ppaskaris](https://github.com/ppaskaris)
+
+* Allow use of extend with greyscale input.
+  [#623](https://github.com/lovell/sharp/pull/623)
+  [@ppaskaris](https://github.com/ppaskaris)
+
+* Allow non-RGB input to embed/extend onto background with an alpha channel.
+  [#646](https://github.com/lovell/sharp/issues/646)
+  [@DaGaMs](https://github.com/DaGaMs)

docs/src/content/docs/changelog/v0.17.1.md

@@ -0,0 +1,15 @@
+---
+title: v0.17.1 - 15th January 2017
+slug: changelog/v0.17.1
+---
+
+* Improve error messages for invalid parameters.
+  [@spikeon](https://github.com/spikeon)
+  [#644](https://github.com/lovell/sharp/pull/644)
+
+* Simplify expression for finding vips-cpp libdir.
+  [#656](https://github.com/lovell/sharp/pull/656)
+
+* Allow HTTPS-over-HTTP proxy when downloading pre-compiled dependencies.
+  [@wangzhiwei1888](https://github.com/wangzhiwei1888)
+  [#679](https://github.com/lovell/sharp/issues/679)

docs/src/content/docs/changelog/v0.17.2.md

@@ -0,0 +1,12 @@
+---
+title: v0.17.2 - 11th February 2017
+slug: changelog/v0.17.2
+---
+
+* Ensure Readable side of Stream can start flowing after Writable side has finished.
+  [#671](https://github.com/lovell/sharp/issues/671)
+  [@danhaller](https://github.com/danhaller)
+
+* Expose WebP alpha quality, lossless and near-lossless output options.
+  [#685](https://github.com/lovell/sharp/pull/685)
+  [@rnanwani](https://github.com/rnanwani)

docs/src/content/docs/changelog/v0.17.3.md

@@ -0,0 +1,20 @@
+---
+title: v0.17.3 - 1st April 2017
+slug: changelog/v0.17.3
+---
+
+* Allow toBuffer to optionally resolve a Promise with both info and data.
+  [#143](https://github.com/lovell/sharp/issues/143)
+  [@salzhrani](https://github.com/salzhrani)
+
+* Create blank image of given width, height, channels and background.
+  [#470](https://github.com/lovell/sharp/issues/470)
+  [@pjarts](https://github.com/pjarts)
+
+* Add support for the "nearest" kernel for image reductions.
+  [#732](https://github.com/lovell/sharp/pull/732)
+  [@alice0meta](https://github.com/alice0meta)
+
+* Add support for TIFF compression and predictor options.
+  [#738](https://github.com/lovell/sharp/pull/738)
+  [@kristojorg](https://github.com/kristojorg)

docs/src/content/docs/changelog/v0.18.0.md

@@ -0,0 +1,60 @@
+---
+title: v0.18.0 - 30th May 2017
+slug: changelog/v0.18.0
+---
+
+* Remove the previously-deprecated output format "option" functions:
+    quality, progressive, compressionLevel, withoutAdaptiveFiltering,
+    withoutChromaSubsampling, trellisQuantisation, trellisQuantization,
+    overshootDeringing, optimiseScans and optimizeScans.
+
+* Ensure maximum output dimensions are based on the format to be used.
+  [#176](https://github.com/lovell/sharp/issues/176)
+  [@stephanebachelier](https://github.com/stephanebachelier)
+
+* Avoid costly (un)premultiply when using overlayWith without alpha channel.
+  [#573](https://github.com/lovell/sharp/issues/573)
+  [@strarsis](https://github.com/strarsis)
+
+* Include pixel depth (e.g. "uchar") when reading metadata.
+  [#577](https://github.com/lovell/sharp/issues/577)
+  [@moedusa](https://github.com/moedusa)
+
+* Add support for Buffer and Stream-based TIFF output.
+  [#587](https://github.com/lovell/sharp/issues/587)
+  [@strarsis](https://github.com/strarsis)
+
+* Expose warnings from libvips via NODE_DEBUG=sharp environment variable.
+  [#607](https://github.com/lovell/sharp/issues/607)
+  [@puzrin](https://github.com/puzrin)
+
+* Switch to the libvips implementation of "attention" and "entropy" crop strategies.
+  [#727](https://github.com/lovell/sharp/issues/727)
+
+* Improve performance and accuracy of nearest neighbour integral upsampling.
+  [#752](https://github.com/lovell/sharp/issues/752)
+  [@MrIbby](https://github.com/MrIbby)
+
+* Constructor single argument API: allow plain object, reject null/undefined.
+  [#768](https://github.com/lovell/sharp/issues/768)
+  [@kub1x](https://github.com/kub1x)
+
+* Ensure ARM64 pre-built binaries use correct C++11 ABI version.
+  [#772](https://github.com/lovell/sharp/issues/772)
+  [@ajiratech2](https://github.com/ajiratech2)
+
+* Prevent aliasing by using dynamic values for shrink(-on-load).
+  [#781](https://github.com/lovell/sharp/issues/781)
+  [@kleisauke](https://github.com/kleisauke)
+
+* Expose libvips' "squash" parameter to enable 1-bit TIFF output.
+  [#783](https://github.com/lovell/sharp/pull/783)
+  [@YvesBos](https://github.com/YvesBos)
+
+* Add support for rotation using any multiple of +/-90 degrees.
+  [#791](https://github.com/lovell/sharp/pull/791)
+  [@ncoden](https://github.com/ncoden)
+
+* Add "jpg" alias to toFormat as shortened form of "jpeg".
+  [#814](https://github.com/lovell/sharp/pull/814)
+  [@jingsam](https://github.com/jingsam)

docs/src/content/docs/changelog/v0.18.1.md

@@ -0,0 +1,8 @@
+---
+title: v0.18.1 - 30th May 2017
+slug: changelog/v0.18.1
+---
+
+* Remove regression from #781 that could cause incorrect shrink calculation.
+  [#831](https://github.com/lovell/sharp/issues/831)
+  [@suprMax](https://github.com/suprMax)

docs/src/content/docs/changelog/v0.18.2.md

@@ -0,0 +1,19 @@
+---
+title: v0.18.2 - 1st July 2017
+slug: changelog/v0.18.2
+---
+
+* Expose libvips' xres and yres properties for TIFF output.
+  [#828](https://github.com/lovell/sharp/pull/828)
+  [@YvesBos](https://github.com/YvesBos)
+
+* Ensure flip and flop operations work with auto-rotate.
+  [#837](https://github.com/lovell/sharp/issues/837)
+  [@rexxars](https://github.com/rexxars)
+
+* Allow binary download URL override via SHARP_DIST_BASE_URL env variable.
+  [#841](https://github.com/lovell/sharp/issues/841)
+
+* Add support for Solus Linux.
+  [#857](https://github.com/lovell/sharp/pull/857)
+  [@ekremkaraca](https://github.com/ekremkaraca)

docs/src/content/docs/changelog/v0.18.3.md

@@ -0,0 +1,12 @@
+---
+title: v0.18.3 - 13th September 2017
+slug: changelog/v0.18.3
+---
+
+* Skip shrink-on-load when trimming.
+  [#888](https://github.com/lovell/sharp/pull/888)
+  [@kleisauke](https://github.com/kleisauke)
+
+* Migrate from got to simple-get for basic auth support.
+  [#945](https://github.com/lovell/sharp/pull/945)
+  [@pbomb](https://github.com/pbomb)

docs/src/content/docs/changelog/v0.18.4.md

@@ -0,0 +1,8 @@
+---
+title: v0.18.4 - 18th September 2017
+slug: changelog/v0.18.4
+---
+
+* Ensure input Buffer really is marked as Persistent, prevents mark-sweep GC.
+  [#950](https://github.com/lovell/sharp/issues/950)
+  [@lfdoherty](https://github.com/lfdoherty)

docs/src/content/docs/changelog/v0.19.0.md

@@ -0,0 +1,46 @@
+---
+title: v0.19.0 - 11th January 2018
+slug: changelog/v0.19.0
+---
+
+* Expose offset coordinates of strategy-based crop.
+  [#868](https://github.com/lovell/sharp/issues/868)
+  [@mirohristov-com](https://github.com/mirohristov-com)
+
+* PNG output now defaults to adaptiveFiltering=false, compressionLevel=9
+  [#872](https://github.com/lovell/sharp/issues/872)
+  [@wmertens](https://github.com/wmertens)
+
+* Add stats feature for pixel-derived image statistics.
+  [#915](https://github.com/lovell/sharp/pull/915)
+  [@rnanwani](https://github.com/rnanwani)
+
+* Add failOnError option to fail-fast on bad input image data.
+  [#976](https://github.com/lovell/sharp/pull/976)
+  [@mceachen](https://github.com/mceachen)
+
+* Resize: switch to libvips' implementation, make fastShrinkOnLoad optional, remove interpolator and centreSampling options.
+  [#977](https://github.com/lovell/sharp/pull/977)
+  [@jardakotesovec](https://github.com/jardakotesovec)
+
+* Attach finish event listener to a clone only for Stream-based input.
+  [#995](https://github.com/lovell/sharp/issues/995)
+  [@whmountains](https://github.com/whmountains)
+
+* Add tilecache before smartcrop to avoid over-computation of previous operations.
+  [#1028](https://github.com/lovell/sharp/issues/1028)
+  [@coffeebite](https://github.com/coffeebite)
+
+* Prevent toFile extension taking precedence over requested format.
+  [#1037](https://github.com/lovell/sharp/issues/1037)
+  [@tomgallagher](https://github.com/tomgallagher)
+
+* Add support for gravity option to existing embed feature.
+  [#1038](https://github.com/lovell/sharp/pull/1038)
+  [@AzureByte](https://github.com/AzureByte)
+
+* Expose IPTC and XMP metadata when available.
+  [#1079](https://github.com/lovell/sharp/pull/1079)
+  [@oaleynik](https://github.com/oaleynik)
+
+* TIFF output: switch default predictor from 'none' to 'horizontal' to match libvips' behaviour.

docs/src/content/docs/changelog/v0.19.1.md

@@ -0,0 +1,16 @@
+---
+title: v0.19.1 - 24th February 2018
+slug: changelog/v0.19.1
+---
+
+* Expose libvips' linear transform feature.
+  [#1024](https://github.com/lovell/sharp/pull/1024)
+  [@3epnm](https://github.com/3epnm)
+
+* Expose angle option for tile-based output.
+  [#1121](https://github.com/lovell/sharp/pull/1121)
+  [@BiancoA](https://github.com/BiancoA)
+
+* Prevent crop operation when image already at or below target dimensions.
+  [#1134](https://github.com/lovell/sharp/issues/1134)
+  [@pieh](https://github.com/pieh)

docs/src/content/docs/changelog/v0.20.0.md

@@ -0,0 +1,7 @@
+---
+title: v0.20.0 - 5th March 2018
+slug: changelog/v0.20.0
+---
+
+* Add support for prebuilt sharp binaries on common platforms.
+  [#186](https://github.com/lovell/sharp/issues/186)

docs/src/content/docs/changelog/v0.20.1.md

@@ -0,0 +1,15 @@
+---
+title: v0.20.1 - 17th March 2018
+slug: changelog/v0.20.1
+---
+
+* Improve installation experience when a globally-installed libvips below the minimum required version is found.
+  [#1148](https://github.com/lovell/sharp/issues/1148)
+
+* Prevent smartcrop error when cumulative rounding is below target size.
+  [#1154](https://github.com/lovell/sharp/issues/1154)
+  [@ralrom](https://github.com/ralrom)
+
+* Expose libvips' median filter operation.
+  [#1161](https://github.com/lovell/sharp/pull/1161)
+  [@BiancoA](https://github.com/BiancoA)

docs/src/content/docs/changelog/v0.20.2.md

@@ -0,0 +1,20 @@
+---
+title: v0.20.2 - 28th April 2018
+slug: changelog/v0.20.2
+---
+
+* Add tint operation to set image chroma.
+  [#825](https://github.com/lovell/sharp/pull/825)
+  [@rikh42](https://github.com/rikh42)
+
+* Add environment variable to ignore globally-installed libvips.
+  [#1165](https://github.com/lovell/sharp/pull/1165)
+  [@oncletom](https://github.com/oncletom)
+
+* Add support for page selection with multi-page input (GIF/TIFF).
+  [#1204](https://github.com/lovell/sharp/pull/1204)
+  [@woolite64](https://github.com/woolite64)
+
+* Add support for Group4 (CCITTFAX4) compression with TIFF output.
+  [#1208](https://github.com/lovell/sharp/pull/1208)
+  [@woolite64](https://github.com/woolite64)

docs/src/content/docs/changelog/v0.20.3.md

@@ -0,0 +1,8 @@
+---
+title: v0.20.3 - 29th May 2018
+slug: changelog/v0.20.3
+---
+
+* Fix tint operation by ensuring LAB interpretation and allowing negative values.
+  [#1235](https://github.com/lovell/sharp/issues/1235)
+  [@wezside](https://github.com/wezside)

docs/src/content/docs/changelog/v0.20.4.md

@@ -0,0 +1,12 @@
+---
+title: v0.20.4 - 20th June 2018
+slug: changelog/v0.20.4
+---
+
+* Prevent possible rounding error when using shrink-on-load and 90/270 degree rotation.
+  [#1241](https://github.com/lovell/sharp/issues/1241)
+  [@anahit42](https://github.com/anahit42)
+
+* Ensure extractChannel sets correct single-channel colour space interpretation.
+  [#1257](https://github.com/lovell/sharp/issues/1257)
+  [@jeremychone](https://github.com/jeremychone)

docs/src/content/docs/changelog/v0.20.5.md

@@ -0,0 +1,8 @@
+---
+title: v0.20.5 - 27th June 2018
+slug: changelog/v0.20.5
+---
+
+* Expose libjpeg optimize_coding flag.
+  [#1265](https://github.com/lovell/sharp/pull/1265)
+  [@tomlokhorst](https://github.com/tomlokhorst)

docs/src/content/docs/changelog/v0.20.6.md

@@ -0,0 +1,33 @@
+---
+title: v0.20.6 - 20th August 2018
+slug: changelog/v0.20.6
+---
+
+* Add removeAlpha operation to remove alpha channel, if any.
+  [#1248](https://github.com/lovell/sharp/issues/1248)
+
+* Expose mozjpeg quant_table flag.
+  [#1285](https://github.com/lovell/sharp/pull/1285)
+  [@rexxars](https://github.com/rexxars)
+
+* Allow full WebP alphaQuality range of 0-100.
+  [#1290](https://github.com/lovell/sharp/pull/1290)
+  [@sylvaindumont](https://github.com/sylvaindumont)
+
+* Cache libvips binaries to reduce re-install time.
+  [#1301](https://github.com/lovell/sharp/issues/1301)
+
+* Ensure vendor platform mismatch throws error at install time.
+  [#1303](https://github.com/lovell/sharp/issues/1303)
+
+* Improve install time error messages for FreeBSD users.
+  [#1310](https://github.com/lovell/sharp/issues/1310)
+
+* Ensure extractChannel works with 16-bit images.
+  [#1330](https://github.com/lovell/sharp/issues/1330)
+
+* Expose depth option for tile-based output.
+  [#1342](https://github.com/lovell/sharp/pull/1342)
+  [@alundavies](https://github.com/alundavies)
+
+* Add experimental entropy field to stats response.

docs/src/content/docs/changelog/v0.20.7.md

@@ -0,0 +1,7 @@
+---
+title: v0.20.7 - 21st August 2018
+slug: changelog/v0.20.7
+---
+
+* Use copy+unlink if rename operation fails during installation.
+  [#1345](https://github.com/lovell/sharp/issues/1345)

docs/src/content/docs/changelog/v0.20.8.md

@@ -0,0 +1,12 @@
+---
+title: v0.20.8 - 5th September 2018
+slug: changelog/v0.20.8
+---
+
+* Avoid race conditions when creating directories during installation.
+  [#1358](https://github.com/lovell/sharp/pull/1358)
+  [@ajhool](https://github.com/ajhool)
+
+* Accept floating point values for input density parameter.
+  [#1362](https://github.com/lovell/sharp/pull/1362)
+  [@aeirola](https://github.com/aeirola)

docs/src/content/docs/changelog/v0.21.0.md

@@ -0,0 +1,39 @@
+---
+title: v0.21.0 - 4th October 2018
+slug: changelog/v0.21.0
+---
+
+* Deprecate the following resize-related functions:
+    `crop`, `embed`, `ignoreAspectRatio`, `max`, `min` and `withoutEnlargement`.
+  Access to these is now via options passed to the `resize` function.
+  For example:
+    `embed('north')` is now `resize(width, height, { fit: 'contain', position: 'north' })`,
+    `crop('attention')` is now `resize(width, height, { fit: 'cover', position: 'attention' })`,
+    `max().withoutEnlargement()` is now `resize(width, height, { fit: 'inside', withoutEnlargement: true })`.
+  [#1135](https://github.com/lovell/sharp/issues/1135)
+
+* Deprecate the `background` function.
+    Per-operation `background` options added to `resize`, `extend` and `flatten` operations.
+  [#1392](https://github.com/lovell/sharp/issues/1392)
+
+* Add `size` to `metadata` response (Stream and Buffer input only).
+  [#695](https://github.com/lovell/sharp/issues/695)
+
+* Switch from custom trim operation to `vips_find_trim`.
+  [#914](https://github.com/lovell/sharp/issues/914)
+
+* Add `chromaSubsampling` and `isProgressive` properties to `metadata` response.
+  [#1186](https://github.com/lovell/sharp/issues/1186)
+
+* Drop Node 4 support.
+  [#1212](https://github.com/lovell/sharp/issues/1212)
+
+* Enable SIMD convolution by default.
+  [#1213](https://github.com/lovell/sharp/issues/1213)
+
+* Add experimental prebuilt binaries for musl-based Linux.
+  [#1379](https://github.com/lovell/sharp/issues/1379)
+
+* Add support for arbitrary rotation angle via vips_rotate.
+  [#1385](https://github.com/lovell/sharp/pull/1385)
+  [@freezy](https://github.com/freezy)

docs/src/content/docs/changelog/v0.21.1.md

@@ -0,0 +1,31 @@
+---
+title: v0.21.1 - 7th December 2018
+slug: changelog/v0.21.1
+---
+
+* Install: support `sharp_dist_base_url` npm config, like existing `SHARP_DIST_BASE_URL`.
+  [#1422](https://github.com/lovell/sharp/pull/1422)
+  [@SethWen](https://github.com/SethWen)
+
+* Ensure `channel` metadata is correct for raw, greyscale output.
+  [#1425](https://github.com/lovell/sharp/issues/1425)
+
+* Add support for the "mitchell" kernel for image reductions.
+  [#1438](https://github.com/lovell/sharp/pull/1438)
+  [@Daiz](https://github.com/Daiz)
+
+* Allow separate parameters for gamma encoding and decoding.
+  [#1439](https://github.com/lovell/sharp/pull/1439)
+  [@Daiz](https://github.com/Daiz)
+
+* Build prototype with `Object.assign` to allow minification.
+  [#1475](https://github.com/lovell/sharp/pull/1475)
+  [@jaubourg](https://github.com/jaubourg)
+
+* Expose libvips' recombination matrix operation.
+  [#1477](https://github.com/lovell/sharp/pull/1477)
+  [@fromkeith](https://github.com/fromkeith)
+
+* Expose libvips' pyramid/tile options for TIFF output.
+  [#1483](https://github.com/lovell/sharp/pull/1483)
+  [@mbklein](https://github.com/mbklein)

docs/src/content/docs/changelog/v0.21.2.md

@@ -0,0 +1,27 @@
+---
+title: v0.21.2 - 13th January 2019
+slug: changelog/v0.21.2
+---
+
+* Ensure all metadata is removed from PNG output unless `withMetadata` used.
+
+* Ensure shortest edge is at least one pixel after resizing.
+  [#1003](https://github.com/lovell/sharp/issues/1003)
+
+* Add `ensureAlpha` operation to add an alpha channel, if missing.
+  [#1153](https://github.com/lovell/sharp/issues/1153)
+
+* Expose `pages` and `pageHeight` metadata for multi-page input images.
+  [#1205](https://github.com/lovell/sharp/issues/1205)
+
+* Expose PNG output options requiring libimagequant.
+  [#1484](https://github.com/lovell/sharp/issues/1484)
+
+* Expose underlying error message for invalid input.
+  [#1505](https://github.com/lovell/sharp/issues/1505)
+
+* Prevent mutatation of options passed to `jpeg`.
+  [#1516](https://github.com/lovell/sharp/issues/1516)
+
+* Ensure forced output format applied correctly when output chaining.
+  [#1528](https://github.com/lovell/sharp/issues/1528)

docs/src/content/docs/changelog/v0.21.3.md

@@ -0,0 +1,9 @@
+---
+title: v0.21.3 - 19th January 2019
+slug: changelog/v0.21.3
+---
+
+* Input image decoding now fails fast, set `failOnError` to change this behaviour.
+
+* Failed filesystem-based input now separates missing file and invalid format errors.
+  [#1542](https://github.com/lovell/sharp/issues/1542)

docs/src/content/docs/changelog/v0.22.0.md

@@ -0,0 +1,20 @@
+---
+title: v0.22.0 - 18th March 2019
+slug: changelog/v0.22.0
+---
+
+* Remove functions previously deprecated in v0.21.0:
+    `background`, `crop`, `embed`, `ignoreAspectRatio`, `max`, `min` and `withoutEnlargement`.
+
+* Add `composite` operation supporting multiple images and blend modes; deprecate `overlayWith`.
+  [#728](https://github.com/lovell/sharp/issues/728)
+
+* Add support for `pages` input option for multi-page input.
+  [#1566](https://github.com/lovell/sharp/issues/1566)
+
+* Allow Stream-based input of raw pixel data.
+  [#1579](https://github.com/lovell/sharp/issues/1579)
+
+* Add support for `page` input option to GIF and PDF.
+  [#1595](https://github.com/lovell/sharp/pull/1595)
+  [@ramiel](https://github.com/ramiel)

docs/src/content/docs/changelog/v0.22.1.md

@@ -0,0 +1,15 @@
+---
+title: v0.22.1 - 25th April 2019
+slug: changelog/v0.22.1
+---
+
+* Add `modulate` operation for brightness, saturation and hue.
+  [#1601](https://github.com/lovell/sharp/pull/1601)
+  [@Goues](https://github.com/Goues)
+
+* Improve help messaging should `require("sharp")` fail.
+  [#1638](https://github.com/lovell/sharp/pull/1638)
+  [@sidharthachatterjee](https://github.com/sidharthachatterjee)
+
+* Add support for Node 12.
+  [#1668](https://github.com/lovell/sharp/issues/1668)

docs/src/content/docs/changelog/v0.23.0.md

@@ -0,0 +1,32 @@
+---
+title: v0.23.0 - 29th July 2019
+slug: changelog/v0.23.0
+---
+
+* Remove `overlayWith` previously deprecated in v0.22.0.
+
+* Add experimental support for HEIF images. Requires libvips compiled with libheif.
+  [#1105](https://github.com/lovell/sharp/issues/1105)
+
+* Expose libwebp `smartSubsample` and `reductionEffort` options.
+  [#1545](https://github.com/lovell/sharp/issues/1545)
+
+* Add experimental support for Worker Threads.
+  [#1558](https://github.com/lovell/sharp/issues/1558)
+
+* Use libvips' built-in CMYK and sRGB profiles when required.
+  [#1619](https://github.com/lovell/sharp/issues/1619)
+
+* Drop support for Node.js versions 6 and 11.
+  [#1674](https://github.com/lovell/sharp/issues/1674)
+
+* Expose `skipBlanks` option for tile-based output.
+  [#1687](https://github.com/lovell/sharp/pull/1687)
+  [@RaboliotTheGrey](https://github.com/RaboliotTheGrey)
+
+* Allow use of `failOnError` option with Stream-based input.
+  [#1691](https://github.com/lovell/sharp/issues/1691)
+
+* Fix rotate/extract ordering for non-90 angles.
+  [#1755](https://github.com/lovell/sharp/pull/1755)
+  [@iovdin](https://github.com/iovdin)

docs/src/content/docs/changelog/v0.23.1.md

@@ -0,0 +1,24 @@
+---
+title: v0.23.1 - 26th September 2019
+slug: changelog/v0.23.1
+---
+
+* Ensure `sharp.format.vips` is present and correct (filesystem only).
+  [#1813](https://github.com/lovell/sharp/issues/1813)
+
+* Ensure invalid `width` and `height` provided as options to `resize` throw.
+  [#1817](https://github.com/lovell/sharp/issues/1817)
+
+* Allow use of 'heic' and 'heif' identifiers with `toFormat`.
+  [#1834](https://github.com/lovell/sharp/pull/1834)
+  [@jaubourg](https://github.com/jaubourg)
+
+* Add `premultiplied` option to `composite` operation.
+  [#1835](https://github.com/lovell/sharp/pull/1835)
+  [@Andargor](https://github.com/Andargor)
+
+* Allow instance reuse with differing `toBuffer` options.
+  [#1860](https://github.com/lovell/sharp/pull/1860)
+  [@RaboliotTheGrey](https://github.com/RaboliotTheGrey)
+
+* Ensure image is at least 3x3 pixels before attempting trim operation.

docs/src/content/docs/changelog/v0.23.2.md

@@ -0,0 +1,12 @@
+---
+title: v0.23.2 - 28th October 2019
+slug: changelog/v0.23.2
+---
+
+* Add `background` option to tile output operation.
+  [#1924](https://github.com/lovell/sharp/pull/1924)
+  [@neave](https://github.com/neave)
+
+* Add support for Node.js 13.
+  [#1932](https://github.com/lovell/sharp/pull/1932)
+  [@MayhemYDG](https://github.com/MayhemYDG)

docs/src/content/docs/changelog/v0.23.3.md

@@ -0,0 +1,18 @@
+---
+title: v0.23.3 - 17th November 2019
+slug: changelog/v0.23.3
+---
+
+* Ensure `trim` operation supports images contained in the alpha channel.
+  [#1597](https://github.com/lovell/sharp/issues/1597)
+
+* Ensure tile `overlap` option works as expected.
+  [#1921](https://github.com/lovell/sharp/pull/1921)
+  [@rustyguts](https://github.com/rustyguts)
+
+* Allow compilation on FreeBSD and variants (broken since v0.23.0)
+  [#1952](https://github.com/lovell/sharp/pull/1952)
+  [@pouya-eghbali](https://github.com/pouya-eghbali)
+
+* Ensure `modulate` and other colour-based operations can co-exist.
+  [#1958](https://github.com/lovell/sharp/issues/1958)

docs/src/content/docs/changelog/v0.23.4.md

@@ -0,0 +1,12 @@
+---
+title: v0.23.4 - 5th December 2019
+slug: changelog/v0.23.4
+---
+
+* Handle zero-length Buffer objects when using Node.js v13.2.0+.
+
+* Expose raw TIFFTAG_PHOTOSHOP metadata.
+  [#1600](https://github.com/lovell/sharp/issues/1600)
+
+* Improve thread safety by using copy-on-write when updating metadata.
+  [#1986](https://github.com/lovell/sharp/issues/1986)

docs/src/content/docs/changelog/v0.24.0.md

@@ -0,0 +1,28 @@
+---
+title: v0.24.0 - 16th January 2020
+slug: changelog/v0.24.0
+---
+
+* Drop support for Node.js 8.
+  [#1910](https://github.com/lovell/sharp/issues/1910)
+
+* Drop support for undefined input where options also provided.
+  [#1768](https://github.com/lovell/sharp/issues/1768)
+
+* Move `limitInputPixels` and `sequentialRead` to input options, deprecating functions of the same name.
+
+* Expose `delay` and `loop` metadata for animated images.
+  [#1905](https://github.com/lovell/sharp/issues/1905)
+
+* Ensure correct colour output for 16-bit, 2-channel PNG input with ICC profile.
+  [#2013](https://github.com/lovell/sharp/issues/2013)
+
+* Prevent use of sequentialRead for rotate operations.
+  [#2016](https://github.com/lovell/sharp/issues/2016)
+
+* Correctly bind max width and height values when using withoutEnlargement.
+  [#2024](https://github.com/lovell/sharp/pull/2024)
+  [@BrychanOdlum](https://github.com/BrychanOdlum)
+
+* Add support for input with 16-bit RGB profile.
+  [#2037](https://github.com/lovell/sharp/issues/2037)

docs/src/content/docs/changelog/v0.24.1.md

@@ -0,0 +1,10 @@
+---
+title: v0.24.1 - 15th February 2020
+slug: changelog/v0.24.1
+---
+
+* Prevent use of sequentialRead for EXIF-based rotate operation.
+  [#2042](https://github.com/lovell/sharp/issues/2042)
+
+* Ensure RGBA LZW TIFF returns correct channel count.
+  [#2064](https://github.com/lovell/sharp/issues/2064)

docs/src/content/docs/changelog/v0.25.0.md

@@ -0,0 +1,18 @@
+---
+title: v0.25.0 - 7th March 2020
+slug: changelog/v0.25.0
+---
+
+* Remove `limitInputPixels` and `sequentialRead` previously deprecated in v0.24.0.
+
+* Migrate internals to N-API.
+  [#1282](https://github.com/lovell/sharp/issues/1282)
+
+* Add support for 32-bit Windows.
+  [#2088](https://github.com/lovell/sharp/issues/2088)
+
+* Ensure correct ordering of rotate-then-trim operations.
+  [#2087](https://github.com/lovell/sharp/issues/2087)
+
+* Ensure composite accepts `limitInputPixels` and `sequentialRead` input options.
+  [#2099](https://github.com/lovell/sharp/issues/2099)

docs/src/content/docs/changelog/v0.25.1.md

@@ -0,0 +1,7 @@
+---
+title: v0.25.1 - 7th March 2020
+slug: changelog/v0.25.1
+---
+
+* Ensure prebuilt binaries are fetched based on N-API version.
+  [#2117](https://github.com/lovell/sharp/issues/2117)

docs/src/content/docs/changelog/v0.25.2.md

@@ -0,0 +1,19 @@
+---
+title: v0.25.2 - 20th March 2020
+slug: changelog/v0.25.2
+---
+
+* Provide prebuilt binaries for Linux ARM64v8.
+
+* Add IIIF layout support to tile-based output.
+  [#2098](https://github.com/lovell/sharp/pull/2098)
+  [@edsilv](https://github.com/edsilv)
+
+* Ensure input options are consistently and correctly detected.
+  [#2118](https://github.com/lovell/sharp/issues/2118)
+
+* Ensure N-API prebuilt binaries work on RHEL7 and its derivatives.
+  [#2119](https://github.com/lovell/sharp/issues/2119)
+
+* Ensure AsyncWorker options are persisted.
+  [#2130](https://github.com/lovell/sharp/issues/2130)

docs/src/content/docs/changelog/v0.25.3.md

@@ -0,0 +1,14 @@
+---
+title: v0.25.3 - 17th May 2020
+slug: changelog/v0.25.3
+---
+
+* Ensure libvips is initialised only once, improves worker thread safety.
+  [#2143](https://github.com/lovell/sharp/issues/2143)
+
+* Ensure npm platform flag is respected when copying DLLs.
+  [#2188](https://github.com/lovell/sharp/pull/2188)
+  [@dimadeveatii](https://github.com/dimadeveatii)
+
+* Allow SVG input with large inline images to be parsed.
+  [#2195](https://github.com/lovell/sharp/issues/2195)

docs/src/content/docs/changelog/v0.25.4.md

@@ -0,0 +1,25 @@
+---
+title: v0.25.4 - 12th June 2020
+slug: changelog/v0.25.4
+---
+
+* Allow libvips binary location override where version is appended.
+  [#2217](https://github.com/lovell/sharp/pull/2217)
+  [@malice00](https://github.com/malice00)
+
+* Enable PNG palette when setting quality, colours, colors or dither.
+  [#2226](https://github.com/lovell/sharp/pull/2226)
+  [@romaleev](https://github.com/romaleev)
+
+* Add `level` constructor option to use a specific level of a multi-level image.
+  Expose `levels` metadata for multi-level images.
+  [#2222](https://github.com/lovell/sharp/issues/2222)
+
+* Add support for named `alpha` channel to `extractChannel` operation.
+  [#2138](https://github.com/lovell/sharp/issues/2138)
+
+* Add experimental `sharpness` calculation to `stats()` response.
+  [#2251](https://github.com/lovell/sharp/issues/2251)
+
+* Emit `warning` event for non-critical processing problems.
+  [#2032](https://github.com/lovell/sharp/issues/2032)

docs/src/content/docs/changelog/v0.26.0.md

@@ -0,0 +1,33 @@
+---
+title: v0.26.0 - 25th August 2020
+slug: changelog/v0.26.0
+---
+
+* Prebuilt libvips binaries are now statically-linked and Brotli-compressed, requiring Node.js 10.16.0+.
+
+* TIFF output `squash` is replaced by `bitdepth` to reduce to 1, 2 or 4 bit.
+
+* JPEG output `quality` >= 90 no longer automatically sets `chromaSubsampling` to `4:4:4`.
+
+* Add most `dominant` colour to image `stats`.
+  [#640](https://github.com/lovell/sharp/issues/640)
+
+* Add support for animated GIF (requires \*magick) and WebP output.
+  [#2012](https://github.com/lovell/sharp/pull/2012)
+  [@deftomat](https://github.com/deftomat)
+
+* Add support for libvips ImageMagick v7 loaders.
+  [#2258](https://github.com/lovell/sharp/pull/2258)
+  [@vouillon](https://github.com/vouillon)
+
+* Allow multi-page input via \*magick.
+  [#2259](https://github.com/lovell/sharp/pull/2259)
+  [@vouillon](https://github.com/vouillon)
+
+* Add support to `withMetadata` for custom ICC profile.
+  [#2271](https://github.com/lovell/sharp/pull/2271)
+  [@roborourke](https://github.com/roborourke)
+
+* Ensure prebuilt binaries for ARM default to v7 when using Electron.
+  [#2292](https://github.com/lovell/sharp/pull/2292)
+  [@diegodev3](https://github.com/diegodev3)

docs/src/content/docs/changelog/v0.26.1.md

@@ -0,0 +1,22 @@
+---
+title: v0.26.1 - 20th September 2020
+slug: changelog/v0.26.1
+---
+
+* Ensure correct pageHeight when verifying multi-page image dimensions.
+  [#2343](https://github.com/lovell/sharp/pull/2343)
+  [@derom](https://github.com/derom)
+
+* Allow input density range up to 100000 DPI.
+  [#2348](https://github.com/lovell/sharp/pull/2348)
+  [@stefanprobst](https://github.com/stefanprobst)
+
+* Ensure animation-related properties can be set for Stream-based input.
+  [#2369](https://github.com/lovell/sharp/pull/2369)
+  [@AcrylicShrimp](https://github.com/AcrylicShrimp)
+
+* Ensure `stats` can be calculated for 1x1 input.
+  [#2372](https://github.com/lovell/sharp/issues/2372)
+
+* Ensure animated GIF output is optimised.
+  [#2376](https://github.com/lovell/sharp/issues/2376)

docs/src/content/docs/changelog/v0.26.2.md

@@ -0,0 +1,15 @@
+---
+title: v0.26.2 - 14th October 2020
+slug: changelog/v0.26.2
+---
+
+* Add support for EXR input. Requires libvips compiled with OpenEXR.
+  [#698](https://github.com/lovell/sharp/issues/698)
+
+* Ensure support for yarn v2.
+  [#2379](https://github.com/lovell/sharp/pull/2379)
+  [@jalovatt](https://github.com/jalovatt)
+
+* Add centre/center option to tile-based output.
+  [#2397](https://github.com/lovell/sharp/pull/2397)
+  [@beig](https://github.com/beig)

docs/src/content/docs/changelog/v0.26.3.md

@@ -0,0 +1,12 @@
+---
+title: v0.26.3 - 16th November 2020
+slug: changelog/v0.26.3
+---
+
+* Expose libvips' affine operation.
+  [#2336](https://github.com/lovell/sharp/pull/2336)
+  [@guillevc](https://github.com/guillevc)
+
+* Fallback to tar.gz for prebuilt libvips when Brotli not available.
+  [#2412](https://github.com/lovell/sharp/pull/2412)
+  [@ascorbic](https://github.com/ascorbic)

docs/src/content/docs/changelog/v0.27.0.md

@@ -0,0 +1,15 @@
+---
+title: v0.27.0 - 22nd December 2020
+slug: changelog/v0.27.0
+---
+
+* Add support for AVIF to prebuilt binaries.
+
+* Remove experimental status from `heif` output, defaults are now AVIF-centric.
+
+* Allow negative top/left offsets for composite operation.
+  [#2391](https://github.com/lovell/sharp/pull/2391)
+  [@CurosMJ](https://github.com/CurosMJ)
+
+* Ensure all platforms use fontconfig for font rendering.
+  [#2399](https://github.com/lovell/sharp/issues/2399)

docs/src/content/docs/changelog/v0.27.1.md

@@ -0,0 +1,19 @@
+---
+title: v0.27.1 - 27th January 2021
+slug: changelog/v0.27.1
+---
+
+* Ensure TIFF is cast when using float predictor.
+  [#2502](https://github.com/lovell/sharp/pull/2502)
+  [@randyridge](https://github.com/randyridge)
+
+* Add support for Uint8Array and Uint8ClampedArray input.
+  [#2511](https://github.com/lovell/sharp/pull/2511)
+  [@leon](https://github.com/leon)
+
+* Revert: ensure all platforms use fontconfig for font rendering.
+  [#2515](https://github.com/lovell/sharp/issues/2515)
+
+* Expose libvips gaussnoise operation to allow creation of Gaussian noise.
+  [#2527](https://github.com/lovell/sharp/pull/2527)
+  [@alza54](https://github.com/alza54)

docs/src/content/docs/changelog/v0.27.2.md

@@ -0,0 +1,20 @@
+---
+title: v0.27.2 - 22nd February 2021
+slug: changelog/v0.27.2
+---
+
+* macOS: Prevent use of globally-installed ARM64 libvips with Rosetta x64 emulation.
+  [#2460](https://github.com/lovell/sharp/issues/2460)
+
+* Linux (musl): Prevent use of prebuilt linuxmusl-x64 binaries with musl >= 1.2.0.
+  [#2570](https://github.com/lovell/sharp/issues/2570)
+
+* Improve 16-bit grey+alpha support by using libvips' `has_alpha` detection.
+  [#2569](https://github.com/lovell/sharp/issues/2569)
+
+* Allow the use of non lower case extensions with `toFormat`.
+  [#2581](https://github.com/lovell/sharp/pull/2581)
+  [@florian-busch](https://github.com/florian-busch)
+
+* Allow use of `recomb` operation with single channel input.
+  [#2584](https://github.com/lovell/sharp/issues/2584)

docs/src/content/docs/changelog/v0.28.0.md

@@ -0,0 +1,32 @@
+---
+title: v0.28.0 - 29th March 2021
+slug: changelog/v0.28.0
+---
+
+* Prebuilt binaries now include mozjpeg and libimagequant (BSD 2-Clause).
+
+* Prebuilt binaries limit AVIF support to the most common 8-bit depth.
+
+* Add `mozjpeg` option to `jpeg` method, sets mozjpeg defaults.
+
+* Reduce the default PNG `compressionLevel` to the more commonly used 6.
+
+* Reduce concurrency on glibc-based Linux when using the default memory allocator to help prevent fragmentation.
+
+* Default missing edge properties of extend operation to zero.
+  [#2578](https://github.com/lovell/sharp/issues/2578)
+
+* Ensure composite does not clip top and left offsets.
+  [#2594](https://github.com/lovell/sharp/pull/2594)
+  [@SHG42](https://github.com/SHG42)
+
+* Improve error handling of network failure at install time.
+  [#2608](https://github.com/lovell/sharp/pull/2608)
+  [@abradley](https://github.com/abradley)
+
+* Ensure `@id` attribute can be set for IIIF tile-based output.
+  [#2612](https://github.com/lovell/sharp/issues/2612)
+  [@edsilv](https://github.com/edsilv)
+
+* Ensure composite replicates the correct number of tiles for centred gravities.
+  [#2626](https://github.com/lovell/sharp/issues/2626)

docs/src/content/docs/changelog/v0.28.1.md

@@ -0,0 +1,15 @@
+---
+title: v0.28.1 - 5th April 2021
+slug: changelog/v0.28.1
+---
+
+* Ensure all installation errors are logged with a more obvious prefix.
+
+* Allow `withMetadata` to set and update EXIF metadata.
+  [#650](https://github.com/lovell/sharp/issues/650)
+
+* Add support for OME-TIFF Sub Image File Directories (subIFD).
+  [#2557](https://github.com/lovell/sharp/issues/2557)
+
+* Allow `ensureAlpha` to set the alpha transparency level.
+  [#2634](https://github.com/lovell/sharp/issues/2634)

docs/src/content/docs/changelog/v0.28.2.md

@@ -0,0 +1,26 @@
+---
+title: v0.28.2 - 10th May 2021
+slug: changelog/v0.28.2
+---
+
+* Allow `withMetadata` to set `density`.
+  [#967](https://github.com/lovell/sharp/issues/967)
+
+* Skip shrink-on-load where one dimension <4px.
+  [#2653](https://github.com/lovell/sharp/issues/2653)
+
+* Allow escaped proxy credentials.
+  [#2664](https://github.com/lovell/sharp/pull/2664)
+  [@msalettes](https://github.com/msalettes)
+
+* Add `premultiplied` flag for raw pixel data input.
+  [#2685](https://github.com/lovell/sharp/pull/2685)
+  [@mnutt](https://github.com/mnutt)
+
+* Detect empty input and throw a helpful error.
+  [#2687](https://github.com/lovell/sharp/pull/2687)
+  [@JakobJingleheimer](https://github.com/JakobJingleheimer)
+
+* Add install-time flag to skip version compatibility checks.
+  [#2692](https://github.com/lovell/sharp/pull/2692)
+  [@xemle](https://github.com/xemle)

docs/src/content/docs/changelog/v0.28.3.md

@@ -0,0 +1,13 @@
+---
+title: v0.28.3 - 24th May 2021
+slug: changelog/v0.28.3
+---
+
+* Ensure presence of libvips, vendored or global, before invoking node-gyp.
+
+* Skip shrink-on-load for multi-page WebP.
+  [#2714](https://github.com/lovell/sharp/issues/2714)
+
+* Add contrast limiting adaptive histogram equalization (CLAHE) operator.
+  [#2726](https://github.com/lovell/sharp/pull/2726)
+  [@baparham](https://github.com/baparham)

docs/src/content/docs/changelog/v0.29.0.md

@@ -0,0 +1,35 @@
+---
+title: v0.29.0 - 17th August 2021
+slug: changelog/v0.29.0
+---
+
+* Drop support for Node.js 10, now requires Node.js >= 12.13.0.
+
+* Add `background` property to PNG and GIF image metadata.
+
+* Add `compression` property to HEIF image metadata.
+  [#2504](https://github.com/lovell/sharp/issues/2504)
+
+* AVIF encoding now defaults to `4:4:4` chroma subsampling.
+  [#2562](https://github.com/lovell/sharp/issues/2562)
+
+* Allow multiple platform-arch binaries in same `node_modules` installation tree.
+  [#2575](https://github.com/lovell/sharp/issues/2575)
+
+* Default to single-channel `b-w` space when `extractChannel` is used.
+  [#2658](https://github.com/lovell/sharp/issues/2658)
+
+* Allow installation directory to contain spaces (regression in v0.26.0).
+  [#2777](https://github.com/lovell/sharp/issues/2777)
+
+* Add `pipelineColourspace` operator to set the processing space.
+  [#2704](https://github.com/lovell/sharp/pull/2704)
+  [@Daiz](https://github.com/Daiz)
+
+* Allow bit depth to be set when using raw input and output.
+  [#2762](https://github.com/lovell/sharp/pull/2762)
+  [@mart-jansink](https://github.com/mart-jansink)
+
+* Allow `negate` to act only on non-alpha channels.
+  [#2808](https://github.com/lovell/sharp/pull/2808)
+  [@rexxars](https://github.com/rexxars)

docs/src/content/docs/changelog/v0.29.1.md

@@ -0,0 +1,30 @@
+---
+title: v0.29.1 - 7th September 2021
+slug: changelog/v0.29.1
+---
+
+* Add `lightness` option to `modulate` operation.
+  [#2846](https://github.com/lovell/sharp/pull/2846)
+
+* Ensure correct PNG bitdepth is set based on number of colours.
+  [#2855](https://github.com/lovell/sharp/issues/2855)
+
+* Ensure background is always premultiplied when compositing.
+  [#2858](https://github.com/lovell/sharp/issues/2858)
+
+* Ensure images with P3 profiles retain full gamut.
+  [#2862](https://github.com/lovell/sharp/issues/2862)
+
+* Add support for libvips compiled with OpenJPEG.
+  [#2868](https://github.com/lovell/sharp/pull/2868)
+
+* Remove unsupported animation properties from AVIF output.
+  [#2870](https://github.com/lovell/sharp/issues/2870)
+
+* Resolve paths before comparing input/output filenames.
+  [#2878](https://github.com/lovell/sharp/pull/2878)
+  [@rexxars](https://github.com/rexxars)
+
+* Allow use of speed 9 (fastest) for HEIF encoding.
+  [#2879](https://github.com/lovell/sharp/pull/2879)
+  [@rexxars](https://github.com/rexxars)

docs/src/content/docs/changelog/v0.29.2.md

@@ -0,0 +1,22 @@
+---
+title: v0.29.2 - 21st October 2021
+slug: changelog/v0.29.2
+---
+
+* Add `timeout` function to limit processing time.
+
+* Ensure `sharp.versions` is populated from vendored libvips.
+
+* Remove animation properties from single page images.
+  [#2890](https://github.com/lovell/sharp/issues/2890)
+
+* Allow use of 'tif' to select TIFF output.
+  [#2893](https://github.com/lovell/sharp/pull/2893)
+  [@erf](https://github.com/erf)
+
+* Improve error message on Windows for version conflict.
+  [#2918](https://github.com/lovell/sharp/pull/2918)
+  [@dkrnl](https://github.com/dkrnl)
+
+* Throw error rather than exit when invalid binaries detected.
+  [#2931](https://github.com/lovell/sharp/issues/2931)

docs/src/content/docs/changelog/v0.29.3.md

@@ -0,0 +1,11 @@
+---
+title: v0.29.3 - 14th November 2021
+slug: changelog/v0.29.3
+---
+
+* Ensure correct dimensions when containing image resized to 1px.
+  [#2951](https://github.com/lovell/sharp/issues/2951)
+
+* Impute TIFF `xres`/`yres` from `density` provided to `withMetadata`.
+  [#2952](https://github.com/lovell/sharp/pull/2952)
+  [@mbklein](https://github.com/mbklein)

docs/src/content/docs/changelog/v0.30.0.md

@@ -0,0 +1,48 @@
+---
+title: v0.30.0 - 1st February 2022
+slug: changelog/v0.30.0
+---
+
+* Add support for GIF output to prebuilt binaries.
+
+* Reduce minimum Linux ARM64v8 glibc requirement to 2.17.
+
+* Verify prebuilt binaries with a Subresource Integrity check.
+
+* Standardise WebP `effort` option name, deprecate `reductionEffort`.
+
+* Standardise HEIF `effort` option name, deprecate `speed`.
+
+* Add support for IIIF v3 tile-based output.
+
+* Expose control over CPU effort for palette-based PNG output.
+  [#2541](https://github.com/lovell/sharp/issues/2541)
+
+* Improve animated (multi-page) image resize and extract.
+  [#2789](https://github.com/lovell/sharp/pull/2789)
+  [@kleisauke](https://github.com/kleisauke)
+
+* Expose platform and architecture of vendored binaries as `sharp.vendor`.
+  [#2928](https://github.com/lovell/sharp/issues/2928)
+
+* Ensure 16-bit PNG output uses correct bitdepth.
+  [#2958](https://github.com/lovell/sharp/pull/2958)
+  [@gforge](https://github.com/gforge)
+
+* Properly emit close events for duplex streams.
+  [#2976](https://github.com/lovell/sharp/pull/2976)
+  [@driannaude](https://github.com/driannaude)
+
+* Expose `unlimited` option for SVG and PNG input, switches off safety features.
+  [#2984](https://github.com/lovell/sharp/issues/2984)
+
+* Add `withoutReduction` option to resize operation.
+  [#3006](https://github.com/lovell/sharp/pull/3006)
+  [@christopherbradleybanks](https://github.com/christopherbradleybanks)
+
+* Add `resolutionUnit` as `tiff` option and expose in metadata.
+  [#3023](https://github.com/lovell/sharp/pull/3023)
+  [@ompal-sisodiya](https://github.com/ompal-sisodiya)
+
+* Ensure rotate-then-extract works with EXIF mirroring.
+  [#3024](https://github.com/lovell/sharp/issues/3024)

docs/src/content/docs/changelog/v0.30.1.md

@@ -0,0 +1,19 @@
+---
+title: v0.30.1 - 9th February 2022
+slug: changelog/v0.30.1
+---
+
+* Allow use of `toBuffer` and `toFile` on the same instance.
+  [#3044](https://github.com/lovell/sharp/issues/3044)
+
+* Skip shrink-on-load for known libjpeg rounding errors.
+  [#3066](https://github.com/lovell/sharp/issues/3066)
+  [@kleisauke](https://github.com/kleisauke)
+
+* Ensure withoutReduction does not interfere with contain/crop/embed.
+  [#3081](https://github.com/lovell/sharp/pull/3081)
+  [@kleisauke](https://github.com/kleisauke)
+
+* Ensure affine interpolator is correctly finalised.
+  [#3083](https://github.com/lovell/sharp/pull/3083)
+  [@kleisauke](https://github.com/kleisauke)

docs/src/content/docs/changelog/v0.30.2.md

@@ -0,0 +1,17 @@
+---
+title: v0.30.2 - 2nd March 2022
+slug: changelog/v0.30.2
+---
+
+* Improve performance and accuracy when compositing multiple images.
+  [#2286](https://github.com/lovell/sharp/issues/2286)
+
+* Expand pkgconfig search path for wider BSD support.
+  [#3106](https://github.com/lovell/sharp/issues/3106)
+
+* Ensure Windows C++ runtime is linked statically (regression in 0.30.0).
+  [#3110](https://github.com/lovell/sharp/pull/3110)
+  [@kleisauke](https://github.com/kleisauke)
+
+* Temporarily ignore greyscale ICC profiles to workaround lcms bug.
+  [#3112](https://github.com/lovell/sharp/issues/3112)

docs/src/content/docs/changelog/v0.30.3.md

@@ -0,0 +1,13 @@
+---
+title: v0.30.3 - 14th March 2022
+slug: changelog/v0.30.3
+---
+
+* Allow `sharpen` options to be provided more consistently as an Object.
+  [#2561](https://github.com/lovell/sharp/issues/2561)
+
+* Expose `x1`, `y2` and `y3` parameters of `sharpen` operation.
+  [#2935](https://github.com/lovell/sharp/issues/2935)
+
+* Prevent double unpremultiply with some composite blend modes (regression in 0.30.2).
+  [#3118](https://github.com/lovell/sharp/issues/3118)

docs/src/content/docs/changelog/v0.30.4.md

@@ -0,0 +1,20 @@
+---
+title: v0.30.4 - 18th April 2022
+slug: changelog/v0.30.4
+---
+
+* Increase control over sensitivity to invalid images via `failOn`, deprecate `failOnError` (equivalent to `failOn: 'warning'`).
+
+* Ensure `create` input image has correct bit depth and colour space.
+  [#3139](https://github.com/lovell/sharp/issues/3139)
+
+* Add support for `TypedArray` input with `byteOffset` and `length`.
+  [#3146](https://github.com/lovell/sharp/pull/3146)
+  [@codepage949](https://github.com/codepage949)
+
+* Improve error message when attempting to render SVG input greater than 32767x32767.
+  [#3167](https://github.com/lovell/sharp/issues/3167)
+
+* Add missing file name to 'Input file is missing' error message.
+  [#3178](https://github.com/lovell/sharp/pull/3178)
+  [@Brodan](https://github.com/Brodan)

docs/src/content/docs/changelog/v0.30.5.md

@@ -0,0 +1,19 @@
+---
+title: v0.30.5 - 23rd May 2022
+slug: changelog/v0.30.5
+---
+
+* Install: pass `PKG_CONFIG_PATH` via env rather than substitution.
+  [@dwisiswant0](https://github.com/dwisiswant0)
+
+* Add support for `--libc` flag to improve cross-platform installation.
+  [#3160](https://github.com/lovell/sharp/pull/3160)
+  [@joonamo](https://github.com/joonamo)
+
+* Allow installation of prebuilt libvips binaries from filesystem.
+  [#3196](https://github.com/lovell/sharp/pull/3196)
+  [@ankurparihar](https://github.com/ankurparihar)
+
+* Fix rotate-then-extract for EXIF orientation 2.
+  [#3218](https://github.com/lovell/sharp/pull/3218)
+  [@jakob0fischl](https://github.com/jakob0fischl)

docs/src/content/docs/changelog/v0.30.6.md

@@ -0,0 +1,10 @@
+---
+title: v0.30.6 - 30th May 2022
+slug: changelog/v0.30.6
+---
+
+* Allow values for `limitInputPixels` larger than 32-bit.
+  [#3238](https://github.com/lovell/sharp/issues/3238)
+
+* Ensure brew-installed `vips` can be detected (regression in 0.30.5).
+  [#3239](https://github.com/lovell/sharp/issues/3239)

docs/src/content/docs/changelog/v0.30.7.md

@@ -0,0 +1,15 @@
+---
+title: v0.30.7 - 22nd June 2022
+slug: changelog/v0.30.7
+---
+
+* Ensure tiled composition always works with outside resizing.
+  [#3227](https://github.com/lovell/sharp/issues/3227)
+
+* Allow WebP encoding effort of 0.
+  [#3261](https://github.com/lovell/sharp/pull/3261)
+  [@AlexanderTheGrey](https://github.com/AlexanderTheGrey)
+
+* Prevent upsampling via libwebp.
+  [#3267](https://github.com/lovell/sharp/pull/3267)
+  [@blacha](https://github.com/blacha)

docs/src/content/docs/changelog/v0.31.0.md

@@ -0,0 +1,63 @@
+---
+title: v0.31.0 - 5th September 2022
+slug: changelog/v0.31.0
+---
+
+* Drop support for Node.js 12, now requires Node.js >= 14.15.0.
+
+* GIF output now re-uses input palette if possible. Use `reoptimise` option to generate a new palette.
+
+* Add WebP `minSize` and `mixed` options for greater control over animation frames.
+
+* Remove previously-deprecated WebP `reductionEffort` and HEIF `speed` options. Use `effort` to control these.
+
+* The `flip` and `flop` operations will now occur before the `rotate` operation.
+
+* Improve `normalise` operation with use of histogram.
+  [#200](https://github.com/lovell/sharp/issues/200)
+
+* Use combined bounding box of alpha and non-alpha channels for `trim` operation.
+  [#2166](https://github.com/lovell/sharp/issues/2166)
+
+* Add Buffer and Stream support to tile-based output.
+  [#2238](https://github.com/lovell/sharp/issues/2238)
+
+* Add input `fileSuffix` and output `alias` to `format` information.
+  [#2642](https://github.com/lovell/sharp/issues/2642)
+
+* Re-introduce support for greyscale ICC profiles (temporarily removed in 0.30.2).
+  [#3114](https://github.com/lovell/sharp/issues/3114)
+
+* Add support for WebP and PackBits `compression` options with TIFF output.
+  [#3198](https://github.com/lovell/sharp/issues/3198)
+
+* Ensure OpenSlide and FITS input works with custom libvips.
+  [#3226](https://github.com/lovell/sharp/issues/3226)
+
+* Ensure `trim` operation is a no-op when it would reduce an image to nothing.
+  [#3223](https://github.com/lovell/sharp/issues/3223)
+
+* Expose `vips_text` to create an image containing rendered text.
+  [#3252](https://github.com/lovell/sharp/pull/3252)
+  [@brahima](https://github.com/brahima)
+
+* Ensure only properties owned by the `withMetadata` EXIF Object are parsed.
+  [#3292](https://github.com/lovell/sharp/issues/3292)
+
+* Expand `linear` operation to allow use of per-channel arrays.
+  [#3303](https://github.com/lovell/sharp/pull/3303)
+  [@antonmarsden](https://github.com/antonmarsden)
+
+* Ensure the order of `rotate`, `resize` and `extend` operations is respected where possible.
+  Emit warnings when previous calls in the same pipeline will be ignored.
+  [#3319](https://github.com/lovell/sharp/issues/3319)
+
+* Ensure PNG bitdepth can be set for non-palette output.
+  [#3322](https://github.com/lovell/sharp/issues/3322)
+
+* Add trim option to provide a specific background colour.
+  [#3332](https://github.com/lovell/sharp/pull/3332)
+  [@mart-jansink](https://github.com/mart-jansink)
+
+* Ensure resized image is unpremultiplied before composite.
+  [#3334](https://github.com/lovell/sharp/issues/3334)

docs/src/content/docs/changelog/v0.31.1.md

@@ -0,0 +1,22 @@
+---
+title: v0.31.1 - 29th September 2022
+slug: changelog/v0.31.1
+---
+
+* Upgrade to libvips v8.13.2 for upstream bug fixes.
+
+* Ensure `close` event occurs after `end` event for Stream-based output.
+  [#3313](https://github.com/lovell/sharp/issues/3313)
+
+* Ensure `limitInputPixels` constructor option uses uint64.
+  [#3349](https://github.com/lovell/sharp/pull/3349)
+  [@marcosc90](https://github.com/marcosc90)
+
+* Ensure auto-rotation works with shrink-on-load and extract (regression in 0.31.0).
+  [#3352](https://github.com/lovell/sharp/issues/3352)
+
+* Ensure AVIF output is always 8-bit.
+  [#3358](https://github.com/lovell/sharp/issues/3358)
+
+* Ensure greyscale images can be trimmed (regression in 0.31.0).
+  [#3386](https://github.com/lovell/sharp/issues/3386)