diff --git a/.github/workflows/manual_release_beta.yaml b/.github/workflows/manual_release_beta.yaml
index f4a54302..afdd9398 100644
--- a/.github/workflows/manual_release_beta.yaml
+++ b/.github/workflows/manual_release_beta.yaml
@@ -72,7 +72,4 @@ jobs:
       pages: write
       id-token: write
     uses: ./.github/workflows/manual_release_docs.yaml
-    with:
-      # Use the ref from the changelog update to include the updated changelog.
-      ref: ${{ needs.changelog_update.outputs.changelog_commitish }}
     secrets: inherit
diff --git a/.github/workflows/manual_release_docs.yaml b/.github/workflows/manual_release_docs.yaml
index 4fe89f0c..1e076b41 100644
--- a/.github/workflows/manual_release_docs.yaml
+++ b/.github/workflows/manual_release_docs.yaml
@@ -6,11 +6,6 @@ on:
 
   # Runs when invoked by another workflow.
   workflow_call:
-    inputs:
-      ref:
-        description: Git ref to checkout.
-        required: true
-        type: string
 
 permissions:
   contents: read
@@ -35,7 +30,6 @@ jobs:
         uses: actions/checkout@v6
         with:
           token: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}
-          ref: ${{ inputs.ref || github.event.repository.default_branch }}
 
       - name: Set up Node
         uses: actions/setup-node@v6
@@ -64,14 +58,12 @@ jobs:
         run: uv run poe update-docs-theme
 
       - name: Commit the updated package.json and lockfile
-        uses: EndBug/add-and-commit@v10
+        uses: apify/actions/signed-commit@v1.0.0
         with:
-          add: website/package.json website/pnpm-lock.yaml
           message: "chore: Automatic docs theme update [skip ci]"
-          default_author: github_actions
+          add: 'website/package.json website/pnpm-lock.yaml'
           pull: '--rebase --autostash'
-          # `actions/checkout` detaches HEAD on SHA refs; EndBug needs a branch to push.
-          new_branch: ${{ github.event.repository.default_branch }}
+          github-token: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}
 
       - name: Build docs
         run: uv run poe build-docs
diff --git a/.github/workflows/manual_release_stable.yaml b/.github/workflows/manual_release_stable.yaml
index 6283659f..47b8418b 100644
--- a/.github/workflows/manual_release_stable.yaml
+++ b/.github/workflows/manual_release_stable.yaml
@@ -108,9 +108,6 @@ jobs:
     permissions:
       contents: write
     uses: ./.github/workflows/manual_version_docs.yaml
-    with:
-      # Commit the version docs changes on top of the changelog commit.
-      ref: ${{ needs.changelog_update.outputs.changelog_commitish }}
     secrets: inherit
 
   doc_release:
@@ -121,9 +118,6 @@ jobs:
       pages: write
       id-token: write
     uses: ./.github/workflows/manual_release_docs.yaml
-    with:
-      # Commit the docs release changes on top of the version docs commit.
-      ref: ${{ needs.version_docs.outputs.version_docs_commitish }}
     secrets: inherit
 
   trigger_docker_build:
diff --git a/.github/workflows/manual_version_docs.yaml b/.github/workflows/manual_version_docs.yaml
index b5d040af..bb361e96 100644
--- a/.github/workflows/manual_version_docs.yaml
+++ b/.github/workflows/manual_version_docs.yaml
@@ -6,15 +6,6 @@ on:
 
   # Runs when invoked by another workflow.
   workflow_call:
-    inputs:
-      ref:
-        description: Git ref to checkout.
-        required: true
-        type: string
-    outputs:
-      version_docs_commitish:
-        description: The commit SHA of the versioned docs commit.
-        value: ${{ jobs.version_docs.outputs.version_docs_commitish }}
 
 concurrency:
   group: version-docs
@@ -31,8 +22,6 @@ jobs:
   version_docs:
     name: Version docs
     runs-on: ubuntu-latest
-    outputs:
-      version_docs_commitish: ${{ steps.resolve_commitish.outputs.commitish }}
     permissions:
       contents: write
 
@@ -41,21 +30,10 @@ jobs:
         working-directory: website
 
     steps:
-      - name: Determine checkout ref
-        id: resolve_ref
-        working-directory: .
-        env:
-          INPUT_REF: ${{ inputs.ref }}
-          DEFAULT_BRANCH: ${{ github.event.repository.default_branch }}
-        run: |
-          REF="${INPUT_REF:-$DEFAULT_BRANCH}"
-          echo "ref=$REF" >> "$GITHUB_OUTPUT"
-
       - name: Checkout repository
         uses: actions/checkout@v6
         with:
           token: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}
-          ref: ${{ inputs.ref || github.event.repository.default_branch }}
 
       - name: Set up Node
         uses: actions/setup-node@v6
@@ -118,19 +96,9 @@ jobs:
           pnpm exec docusaurus api:version "$MAJOR_MINOR_VERSION"
 
       - name: Commit and push versioned docs
-        id: commit_versioned_docs
-        uses: EndBug/add-and-commit@v10
+        uses: apify/actions/signed-commit@v1.0.0
         with:
-          add: website/versioned_docs website/versioned_sidebars website/versions.json
           message: "docs: Version docs for v${{ steps.snapshot.outputs.version }} [skip ci]"
-          default_author: github_actions
-          # `actions/checkout` detaches HEAD on SHA refs; EndBug needs a branch to push.
-          new_branch: ${{ github.event.repository.default_branch }}
+          add: 'website/versioned_docs website/versioned_sidebars website/versions.json'
           pull: '--rebase --autostash'
-
-      - name: Resolve output commitish
-        id: resolve_commitish
-        env:
-          COMMIT_SHA: ${{ steps.commit_versioned_docs.outputs.commit_long_sha }}
-        run: |
-          echo "commitish=${COMMIT_SHA:-$(git rev-parse HEAD)}" >> "$GITHUB_OUTPUT"
+          github-token: ${{ secrets.APIFY_SERVICE_ACCOUNT_GITHUB_TOKEN }}
diff --git a/.github/workflows/on_master.yaml b/.github/workflows/on_master.yaml
index 8528530e..07238b36 100644
--- a/.github/workflows/on_master.yaml
+++ b/.github/workflows/on_master.yaml
@@ -25,9 +25,6 @@ jobs:
       pages: write
       id-token: write
     uses: ./.github/workflows/manual_release_docs.yaml
-    with:
-      # Use the same ref as the one that triggered the workflow.
-      ref: ${{ github.ref }}
     secrets: inherit
 
   code_checks: