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wire 2026-06-13
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RUNTIME PATCHES ARRAYPOOL LEAK, ISSUE-LABELER GAINS DISCUSSION SUPPORT

By RepoJournal · Filed · About .NET · Composed from the cited sources · methodology

Copilot renovate[bot] swathipil alinpahontu2912
4 people shipped this
Copilot @Copilot 2 cited renovate[bot] @renovate[bot] 2 cited swathipil @swathipil 2 cited alinpahontu2912 @alinpahontu2912 1 cited

A critical ArrayPool fix lands in dotnet/runtime while issue-labeler v2.1.0 extends ML-powered labeling to GitHub Discussions.

The runtime team shipped a fix for ArrayPool rent operations missing try/finally blocks [1], preventing resource leaks in high-throughput scenarios. In parallel, PackageOverrides.txt now includes 27 missing meta-packages and RID-selector packages [2], closing gaps in NuGet pruning for legacy framework versions (netcoreapp1.0 through netstandard2.0). On the JIT front, two optimization PRs landed: GenTreeIntCon fields are now private with accessor enforcement [3] for safer debugging, and range check overflow caching has been cleaned up to remove the per-node OverflowMap [4], simplifying bounds check logic. Issue-labeler v2.1.0 [7] ships with two major features: discussion labeling now works alongside issue labeling [8], letting teams auto-label GitHub Discussions using the same ML pipeline, and a new max_labels input [9] enables multi-label predictions instead of single-label stops. Nerdbank.Streams saw routine dependency updates including StreamJsonRpc 2.25.28 [5] and .NET packages bumped to 10.0.9 [6].

Action items

References

  1. [1] Fix Arraypool rent without try/finally block ↗ dotnet/runtime
  2. [2] Add missing meta-packages and binary-free packages to PackageOverrides.txt ↗ dotnet/runtime
  3. [3] JIT: encapsulate all fields in GenTreeIntCon ↗ dotnet/runtime
  4. [4] JIT: Clean up range check overflow caching and bounds check special cases (#129253) ↗ dotnet/runtime
  5. [5] Update dependency StreamJsonRpc to 2.25.28 ↗ dotnet/Nerdbank.Streams
  6. [6] Update .NET packages to 10.0.9 ↗ dotnet/Nerdbank.Streams
  7. [7] v2.1.0 ↗ dotnet/issue-labeler
  8. [8] Add discussion labeling to issues labeler workflow ↗ dotnet/issue-labeler
  9. [9] Add multi-label prediction support via max_labels input ↗ dotnet/issue-labeler

$ ls dotnet/reviews/ # the step-back reads

the week in review CVE-2026-69304 hits ASP.NET Core; Spark 4.0 support lands the month in review F# interpolated strings and record spreads land as Orleans and runtime harden
Full archive → Weekly reviews →

Quick answers

What shipped in .NET on June 13, 2026?
A critical ArrayPool fix lands in dotnet/runtime while issue-labeler v2.1.0 extends ML-powered labeling to GitHub Discussions. In total, 36 commits, 34 pull requests, and 1 releases landed.
Who contributed to .NET on June 13, 2026?
4 developers shipped this update, including alinpahontu2912, Copilot, renovate[bot], and swathipil.
What were the notable .NET updates?
Fix Arraypool rent without try/finally block, Add missing meta-packages and binary-free packages to PackageOverrides.txt, and JIT: encapsulate all fields in GenTreeIntCon.
♥

$ log @dotnet --recent

Vector literals stop breaking under comma-decimal cultures, AIDL one-way proxies generate correctly 83 shipped Spark 4.0 lands in .NET bindings, arcade refreshes Entra tokens mid-job 23 shipped MSBuild TaskAnalyzer quiets three diagnostics, Terminal Logger stops corrupting shared log events 20 shipped MAUI backports iOS regression coverage, aspnetcore bumps extensions 6 shipped

$ log --all # elsewhere on the wire

Alignment & Post-training GSM8K scoring parses answers as exact decimals AI Red Teaming PyRIT closes a judge-spoofing hole, promptfoo accepts Langfuse v6

$ ls showcases/

Safety Evals AI Red Teaming Agent Security Interpretability Alignment & Post-training

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