GitbookIO · addisonschultz · Jan 6, 2026
diff --git a/.changeset/gold-geese-camp.md b/.changeset/gold-geese-camp.md
@@ -0,0 +1,5 @@
+---
+"gitbook": patch
+---
+
+Update button sizing
diff --git a/.changeset/spotty-monkeys-nail.md b/.changeset/spotty-monkeys-nail.md
@@ -0,0 +1,5 @@
+---
+"gitbook": patch
+---
+
+Fix embed tab button size regression
diff --git a/.changeset/tidy-flies-burn.md b/.changeset/tidy-flies-burn.md
@@ -0,0 +1,6 @@
+---
+"gitbook": patch
+"@gitbook/icons": patch
+---
+
+Switch icon masking method to fix visual cutoffs in FA7
diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
@@ -54,10 +54,9 @@ After forking this repository, you'll want to [create a branch](https://docs.git
 #### 3. Install dependencies and run the project locally
 
 ##### Prerequisites:
-- Node.js (Version: >=20.6)
-  - Use `nvm` for easy Node management
-- [Bun](https://bun.sh/) (Version: >=1.2.15)
-  - We use a text-based lockfile which isn't supported below 1.2.15
+
+- [Node.js](https://nodejs.org/en) (see "engines" in `package.json`)
+- [Bun](https://bun.sh/) (see "packageManager" in `package.json`)
 
 ##### Setup steps:
 

diff --git a/.github/actions/gradual-deploy-cloudflare/action.yaml b/.github/actions/gradual-deploy-cloudflare/action.yaml
@@ -30,7 +30,7 @@ runs:
             apiToken: ${{ inputs.apiToken }}
             accountId: ${{ inputs.accountId }}
             workingDirectory: ./
-            wranglerVersion: '4.10.0'
+            wranglerVersion: '4.43.0'
             environment: ${{ inputs.environment }}
             command: deployments status --config ./packages/gitbook/openNext/customWorkers/defaultWrangler.jsonc
 
@@ -49,7 +49,7 @@ runs:
             apiToken: ${{ inputs.apiToken }}
             accountId: ${{ inputs.accountId }}
             workingDirectory: ./
-            wranglerVersion: '4.10.0'
+            wranglerVersion: '4.43.0'
             environment: ${{ inputs.environment }}
             command: versions deploy ${{ steps.extract_current_version.outputs.version_id }}@100% ${{ inputs.serverVersionId }}@0% -y --config ./packages/gitbook/openNext/customWorkers/defaultWrangler.jsonc
 
@@ -61,7 +61,7 @@ runs:
             apiToken: ${{ inputs.apiToken }}
             accountId: ${{ inputs.accountId }}
             workingDirectory: ./
-            wranglerVersion: '4.10.0'
+            wranglerVersion: '4.43.0'
             environment: ${{ inputs.environment }}
             command: versions deploy ${{ inputs.middlewareVersionId }}@100% -y --config ./packages/gitbook/openNext/customWorkers/middlewareWrangler.jsonc
 
@@ -71,7 +71,7 @@ runs:
             apiToken: ${{ inputs.apiToken }}
             accountId: ${{ inputs.accountId }}
             workingDirectory: ./
-            wranglerVersion: '4.10.0'
+            wranglerVersion: '4.43.0'
             environment: ${{ inputs.environment }}
             command: versions deploy ${{ inputs.serverVersionId }}@100% -y --config ./packages/gitbook/openNext/customWorkers/defaultWrangler.jsonc
 

diff --git a/.github/composite/deploy-cloudflare/action.yaml b/.github/composite/deploy-cloudflare/action.yaml
@@ -70,7 +70,7 @@ runs:
               apiToken: ${{ inputs.apiToken }}
               accountId: ${{ inputs.accountId }}
               workingDirectory: ./
-              wranglerVersion: '4.10.0'
+              wranglerVersion: '4.43.0'
               environment: ${{ inputs.environment }}
               command: deploy --config ./packages/gitbook/openNext/customWorkers/doWrangler.jsonc
 
@@ -81,7 +81,7 @@ runs:
               apiToken: ${{ inputs.apiToken }}
               accountId: ${{ inputs.accountId }}
               workingDirectory: ./
-              wranglerVersion: '4.10.0'
+              wranglerVersion: '4.43.0'
               environment: ${{ inputs.environment }}
               command: ${{ format('versions upload --tag {0} --message "{1}"', inputs.commitTag, inputs.commitMessage) }} --config ./packages/gitbook/openNext/customWorkers/defaultWrangler.jsonc
 
@@ -104,7 +104,7 @@ runs:
               apiToken: ${{ inputs.apiToken }}
               accountId: ${{ inputs.accountId }}
               workingDirectory: ./
-              wranglerVersion: '4.10.0'
+              wranglerVersion: '4.43.0'
               environment: ${{ inputs.environment }}
               command: ${{ format('versions upload --tag {0} --message "{1}"', inputs.commitTag, inputs.commitMessage) }} --config ./packages/gitbook/openNext/customWorkers/middlewareWrangler.jsonc
 

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
@@ -4,8 +4,9 @@ on:
     push:
         branches:
             - main
+            - changeset-release/main
 env:
-    NPM_TOKEN_READONLY: ${{ secrets.NPM_TOKEN_READONLY }}
+    BUN_NPM_TOKEN: ${{ secrets.NPM_TOKEN_READONLY }}
 jobs:
     format:
         runs-on: ubuntu-latest
@@ -41,7 +42,7 @@ jobs:
         name: Build (Open Source)
         timeout-minutes: 6
         env:
-            NPM_TOKEN_READONLY: ''
+            BUN_NPM_TOKEN: ''
         steps:
             - name: Checkout
               uses: actions/checkout@v4

diff --git a/.github/workflows/deploy-preview.yaml b/.github/workflows/deploy-preview.yaml
@@ -5,7 +5,7 @@ on:
       branches:
         - main
 env:
-    NPM_TOKEN_READONLY: ${{ secrets.NPM_TOKEN_READONLY }}
+    BUN_NPM_TOKEN: ${{ secrets.NPM_TOKEN_READONLY }}
 jobs:
     deploy-v2-vercel:
         name: Deploy v2 to Vercel (preview)
@@ -182,9 +182,9 @@ jobs:
                   SITE_BASE_URL: ${{ needs.deploy-v2-cloudflare.outputs.deployment-url }}/url/
                   ARGOS_TOKEN: ${{ secrets.ARGOS_TOKEN }}
                   ARGOS_BUILD_NAME: 'customers-v2'
-    pagespeed-testing-v2:
+    browserless-testing-v2-vercel:
         runs-on: ubuntu-latest
-        name: PageSpeed Testing v1
+        name: Browserless Testing v2 (Vercel)
         needs: deploy-v2-vercel
         steps:
             - name: Checkout
@@ -195,8 +195,26 @@ jobs:
               run: bun install --frozen-lockfile
               env:
                   PUPPETEER_SKIP_DOWNLOAD: 1
-            - name: Run pagespeed tests
-              run: bun ./packages/gitbook/tests/pagespeed-testing.ts
+            - name: Run tests
+              run: cd ./packages/gitbook && bun e2e-browserless
               env:
                   BASE_URL: ${{needs.deploy-v2-vercel.outputs.deployment-url}}
-                  PAGESPEED_API_KEY: ${{ secrets.PAGESPEED_API_KEY }}
+                  SITE_BASE_URL: ${{ needs.deploy-v2-vercel.outputs.deployment-url }}/url/
+    # browserless-testing-v2-cloudflare:
+    #     runs-on: ubuntu-latest
+    #     name: Browserless Testing v2 (Cloudflare)
+    #     needs: deploy-v2-cloudflare
+    #     steps:
+    #         - name: Checkout
+    #           uses: actions/checkout@v4
+    #         - name: Setup Bun
+    #           uses: ./.github/composite/setup-bun
+    #         - name: Install dependencies
+    #           run: bun install --frozen-lockfile
+    #           env:
+    #               PUPPETEER_SKIP_DOWNLOAD: 1
+    #         - name: Run tests
+    #           run: cd ./packages/gitbook && bun e2e-browserless
+    #           env:
+    #               BASE_URL: ${{needs.deploy-v2-cloudflare.outputs.deployment-url}}
+    #               SITE_BASE_URL: ${{ needs.deploy-v2-cloudflare.outputs.deployment-url }}/url/
diff --git a/.github/workflows/deploy-production.yaml b/.github/workflows/deploy-production.yaml
@@ -4,7 +4,7 @@ on:
         branches:
             - main
 env:
-    NPM_TOKEN_READONLY: ${{ secrets.NPM_TOKEN_READONLY }}
+    BUN_NPM_TOKEN: ${{ secrets.NPM_TOKEN_READONLY }}
 jobs:
     deploy-v2-vercel:
         name: Deploy v2 to Vercel (production)

diff --git a/.github/workflows/deploy-staging.yaml b/.github/workflows/deploy-staging.yaml
@@ -4,7 +4,7 @@ on:
         branches:
             - main
 env:
-    NPM_TOKEN_READONLY: ${{ secrets.NPM_TOKEN_READONLY }}
+    BUN_NPM_TOKEN: ${{ secrets.NPM_TOKEN_READONLY }}
 jobs:
     deploy-v2-vercel:
         name: Deploy v2 to Vercel (staging)

diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
@@ -6,37 +6,46 @@ on:
             - main
 
 env:
-    NPM_TOKEN_READONLY: ${{ secrets.NPM_TOKEN_READONLY }}
+    BUN_NPM_TOKEN: ${{ secrets.NPM_TOKEN_READONLY }}
 
 concurrency: ${{ github.workflow }}-${{ github.ref }}
 
 jobs:
     publish:
         name: Publish
         runs-on: ubuntu-latest
+        permissions:
+            id-token: write
+            pull-requests: write
+            contents: write
         steps:
             - name: Checkout Repo
               uses: actions/checkout@v3
               with:
                   # This makes Actions fetch all Git history so that Changesets can generate changelogs with the correct commits
                   fetch-depth: 0
+            - name: Setup Node
+              uses: actions/setup-node@v4
+              with:
+                  node-version: 22
+                  registry-url: 'https://registry.npmjs.org'
+            # Ensure npm 11.5.1 or later is installed
+            - name: Update npm
+              run: npm install -g npm@latest
             - name: Setup Bun
               uses: ./.github/composite/setup-bun
             - name: Install dependencies
               run: bun install --frozen-lockfile
               env:
                   PUPPETEER_SKIP_DOWNLOAD: 1
-            - name: Create Release Pull Request or Publish to npm
+            - name: Create Release Pull Request
               id: changesets
               uses: changesets/action@v1
               with:
-                  publish: npm run release
-                  version: npm run changeset-version
+                  publish: bun run publish-all-packages
+                  version: bun run changeset-version
               env:
                   # Using a PAT instead of GITHUB_TOKEN because we need to run workflows when releases are created
                   # https://github.com/orgs/community/discussions/26875#discussioncomment-3253761
                   GITHUB_TOKEN: ${{ secrets.GH_PERSONAL_TOKEN }}
-                  NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
-                  CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
-                  CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
 
diff --git a/.gitignore b/.gitignore
@@ -25,3 +25,7 @@ yarn-error.log*
 
 # TypeScript
 *.tsbuildinfo
+.npmrc
+
+# Bun pack artifacts
+packages/*/*.tgz
diff --git a/.nvmrc b/.nvmrc
@@ -1 +1 @@
-v20.6
+v22.3
diff --git a/README.md b/README.md
@@ -35,7 +35,7 @@ To run a local version of this project, please follow these simple steps.
 
 ### Prerequisites
 
-- Node.js (Version: >=20.6)
+- Node.js (Version: >= 22.3)
     - Use nvm for easy Node management
 - [Bun](https://bun.sh/) (Version: >=1.2.15)
   - We use a text-based lockfile which isn't supported below 1.2.15
@@ -90,7 +90,7 @@ If you are GitBook staff, you'll need our NPM token in your local environment.
 ```
 .env.local
 
-NPM_TOKEN_READONLY=xxx
+BUN_NPM_TOKEN=xxx
 ```
 
 and then reinstall dependencies.