[NativeAOT] Size regression detected on NativeAOT apps #12184

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1. matouskozak

   added

   Area: PerformanceIssues with performance.Issues with performance.

   on Jul 20, 2026
2. dotnet-policy-service

   added

   needs-triageIssues that need to be assigned.Issues that need to be assigned.

   on Jul 20, 2026
3. jonathanpeppers commented on Jul 20, 2026

   

   jonathanpeppers

   on Jul 20, 2026

   Member

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   This one is the first one with 0 trimmer warnings:

   • 77706d7

   So, I'd expect some amount of managed code is kept that wasn't before -- it's the first time we've been fully trimmer safe.

   👍React with 👍1Reacted by Matous Kozak
4. simonrozsival commented on Jul 20, 2026

   

   simonrozsival

   on Jul 20, 2026

   Member

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   The bump is much higher than I'd expect. We need to look into it in RC1 and RC2.
5. jonathanpeppers

   added a commit that references this issue on Jul 29, 2026

   [TrimmableTypeMap] Improve incremental build performance (#12229)

   ...

   f295019
6. jonathanpeppers

   added this to the .NET 12 milestone on Aug 13, 2026
7. jonathanpeppers

   added a commit that references this issue on Aug 19, 2026

   [xabt] Make universal APK generation incremental (#12230)

   ...

   0238f52
8. simonrozsival

   added a commit that references this issue on Aug 25, 2026

   [NativeAOT] Trim unused typemap Java code in Release (#12228)

   ...

   e011521