Deleting a thread in a merge request results in a "Made a private contribution" activity note
Summary
Deleting a thread in a merge request and an issue results in a "Made a private contribution" activity note. Deleting a comment does not trigger any activity notes.
When a thread is exists in a merge request it appears like this in the activity feed:
When the thread author deletes that thread, then that thread becomes
This is a comment that suggested that this might affect issues too gitlab-foss#53742 (comment 188878577). (@mle confirmed this is true for threads in issues 2026-02-03).
Steps to reproduce
- Enable "Include private contributions on your profile" in "https://gitlab.com/-/user_settings/profile"
- Go to merge request
- Add a thread either by a review or start thread dropdown button
- After thread added to the merge request, delete that thread
- Look at your activity feed and that deleted thread appears as "Made a private contribution"
What is the current bug behavior?
Deleted thread appears as "Made a private contribution"
What is the expected correct behavior?
No activity should be presented since we don't display anything for deleting comments.
Possible fixes
Patch release information for backports
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High-severity bug remediation
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