diff --git a/.github/workflows/get-default-keybindings.yml b/.github/workflows/get-default-keybindings.yml
index 834854f5..e51a0596 100644
--- a/.github/workflows/get-default-keybindings.yml
+++ b/.github/workflows/get-default-keybindings.yml
@@ -63,7 +63,27 @@ jobs:
         id: diff
         shell: bash
         run: |
-          git diff --exit-code && echo "::set-output name=has-diff::false" || echo "::set-output name=has-diff::true"
+          if git diff --exit-code; then
+            echo "::set-output name=has-diff::false"
+            echo "No diff found"
+            echo "### No diff found :+1:" >> $GITHUB_STEP_SUMMARY
+          else
+            echo "::set-output name=has-diff::true"
+          fi
+      - name: Extract version numbers
+        id: ver
+        shell: bash
+        run: |
+          ver_linux=$(head -n 1 generator/default-keybindings-linux.json | sed -E "s/.*(([0-9]+\.){2}[0-9]+).*/\1/")
+          ver_macos=$(head -n 1 generator/default-keybindings-mac.json | sed -E "s/.*(([0-9]+\.){2}[0-9]+).*/\1/")
+          ver_windows=$(head -n 1 generator/default-keybindings-win.json | sed -E "s/.*(([0-9]+\.){2}[0-9]+).*/\1/")
+          echo "ver_linux: ${ver_linux}"
+          echo "ver_macos: ${ver_macos}"
+          echo "ver_windows: ${ver_windows}"
+          echo "Versions:" >> $GITHUB_STEP_SUMMARY
+          echo "- VS Code for Linux: ${ver_linux}" >> $GITHUB_STEP_SUMMARY
+          echo "- VS Code for macOS: ${ver_macos}" >> $GITHUB_STEP_SUMMARY
+          echo "- VS Code for Windows: ${ver_windows}" >> $GITHUB_STEP_SUMMARY
       - name: Make a unique branch name
         id: branch-name
         shell: bash
@@ -92,5 +112,6 @@ jobs:
           title="Update wrappers based on vscode ${version}"
           body="This pull request has been generated by the automated workflow [Update Default Keybindings](https://github.com/tshino/vscode-kb-macro/actions/workflows/get-default-keybindings.yml)."
           gh pr create --base main --head ${head} --title "${title}" --body "${body}"
+          echo "### Created a PR :rocket:" >> $GITHUB_STEP_SUMMARY
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 26fd5e0f..7c914924 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 All notable changes to the Keyboard Macro Bata extension will be documented in this file.
 
+### [Unreleased]
+- Internal
+  - Added summary output for the automated workflow. [#102](https://github.com/tshino/vscode-kb-macro/pull/102)
+
 ### [0.12.1] - 2022-05-07
 - Documentation:
   - Added 'Testing' section to [DESIGN.md](./DESIGN.md).