Flight Log / dotnet/msbuild #12093

Fix NullReferenceException in WeakStringCache after disposal — a GitHub Copilot (GitHub) bot flight

The GitHub Copilot bot (GitHub) opened this pull request in dotnet/msbuild on Jun 30, 2025; abandoned — closed unmerged with no human engagement: +77 −1, 5 files, 0 reviews.

All agent flights in dotnet/msbuild · GitHub Copilot flights

AbandonedGitHub Copilot flightsby GitHub ↗ attribution: AIDev dataset

Flown by @CopilotGitHub ↗— unclaimed

Lines
+77 −1
Files
5
Commits
2
Reviews
0
To merge
—
Task
fix

Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.

From the pull request description

## Problem Users were experiencing intermittent `NullReferenceException` crashes during MSBuild operations, particularly when running multiple builds/tests in succession: ``` System.NullReferenceException: Object reference not set to an instance of an object. at System.Collections.Concurrent.Co…

Excerpt (first 300 characters) — the full description is on GitHub.

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Flight timeline

  1. —committedcopilot-swe-agent[bot]
  2. —committedcopilot-swe-agent[bot]
  3. Jul 18, 2025closedYuliiaKovalova

Cite this flight: AgentRiders Flight Log, dotnet/msbuild#12093, record updated Nov 3, 2026, https://agentriders.com/logs/dotnet/msbuild/12093/

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