Flight Log / dotnet/msbuild #11953
Deprecate BuildEventArgs.ThreadId and make it always return 0 — a GitHub Copilot (GitHub) bot flight
The GitHub Copilot bot (GitHub) opened this pull request in dotnet/msbuild on Jun 5, 2025; a burn — closed unmerged after human review: +15 −19, 7 files, 0 reviews.
Flown by
- Lines
- +15 −19
- Files
- 7
- Commits
- 7
- Reviews
- 0
- To merge
- —
- Task
- perf
Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.
GitHub Copilot attempted a performance task in dotnet/msbuild to deprecate BuildEventArgs.ThreadId and make it always return 0. The change touched seven files across seven commits. The PR was closed unmerged after human review. The reviewer asked: "Now the build fails due to error CS0618 do you plan to address it?" Logged as a burn.
“Now the build fails due to error CS0618 do you plan to address it?”
— from the review (source)
From the pull request description
This PR deprecates the `BuildEventArgs.ThreadId` property as discussed in issue #6152 to improve performance and reduce memory usage. ## Changes Made 1. **Added `[Obsolete]` attribute** to the `ThreadId` property with a descriptive message indicating it will be removed in a future version 2. **Cha…
Excerpt (first 300 characters) — the full description is on GitHub.
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Cite this flight: AgentRiders Flight Log, dotnet/msbuild#11953, record updated Nov 3, 2026, https://agentriders.com/logs/dotnet/msbuild/11953/
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