[Bug] PR merge method changes do not update the default commit message template in the new pull request dashboard

[Iamliuxiaozhen]

🏷️ Discussion Type

Bug

Body

Description

There appears to be a UI synchronization issue in GitHub's new Pull Request dashboard.

When switching between merge methods, the default commit message template does not update accordingly. The content remains associated with the previously selected merge method.

Steps to reproduce

1. Open a Pull Request and navigate to the merge section in the new PR dashboard.
2. Select Merge and observe the default commit message template.
3. Switch to Squash and merge.
4. Observe that the commit message content does not update and still displays the default template for regular merging.
5. Switch back from Squash and merge to Merge and observe that the content may still display the squash commit message template.

Expected behavior

When switching between merge methods, the default commit message template should automatically update to match the currently selected method.

For example:

• Merge → Squash and merge: The template should change to the default squash commit message.
• Squash and merge → Merge: The template should change back to the default merge commit message.
• Rebase and merge: This method does not appear to be affected by the issue.

Actual behavior

In the new PR dashboard, switching between merge methods frequently fails to update the default commit message template.

There are also some additional inconsistencies:

• The issue does not seem to affect Rebase and merge.
• The old PR dashboard occasionally exhibits similar behavior. However, clicking the merge method button again usually refreshes the default commit message template correctly.
• In the new dashboard, the issue occurs more frequently.
• Sometimes, refreshing the new dashboard causes the selected merge method tab/button to revert to a previously selected method, rather than remaining on the currently selected one.

Additional observations

The behavior seems to suggest that the selected merge method and the commit message template are not always properly synchronized in the new dashboard.

This can be confusing and potentially lead to users submitting commits with an unintended commit message format.

Environment

• GitHub Pull Request interface
• New Pull Request dashboard
• Browser: Chrome
• Operating system: Kubuntu

Request

Could the GitHub team investigate the synchronization between the selected merge method, the default commit message template, and the selected tab state in the new PR dashboard?

Thank you!

[github-actions[bot]]

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