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Replace AssemblyStore compression algorithm LZ4 with Zstd - #11730

Merged

jonathanpeppers merged 15 commits into

mainfrom

copilot/replace-lz4-with-zstd

Jul 2, 2026

Commits on Jun 24, 2026
- Initial plan
  Copilot
  authored
  dbf0f8f
- Replace AssemblyStore LZ4 compression with Zstd
  
  Copilot
  and
  simonrozsival
  authored
  6850ac9
Commits on Jun 25, 2026
- Update CoreCLR APK size descriptors
  
  simonrozsival
  and
  Copilot
  committed
  ed3ba4c
- Use LibraryImport in Zstd tools
  
  simonrozsival
  and
  Copilot
  committed
  d05c82a
- Use BCL ZstandardDecoder in tools
  
  simonrozsival
  and
  Copilot
  committed
  15c5588
- Inline ZstandardDecoder call
  
  simonrozsival
  and
  Copilot
  committed
  7b59da5
Commits on Jun 26, 2026
- Address review feedback for Zstd compression changes
  
  Copilot
  and
  simonrozsival
  authored
  78d6a04
- Update CoreCLR apkdesc baselines from CI build 1482888
  
  simonrozsival
  and
  Copilot
  committed
  46e5591
- Fix Zstd.Compress doc to match actual compression level
  
  simonrozsival
  and
  Copilot
  committed
  d9a8b0c
Commits on Jul 1, 2026
- Merge remote-tracking branch 'origin/main' into copilot/replace-lz4-with-zstd
  simonrozsival
  committed
  34136f3
- Use BCL ZstandardEncoder in a net11.0 CompressAssemblies task
  
  simonrozsival
  and
  Copilot
  committed
  052e86e
- Run CompressAssemblies in-process on .NET MSBuild
  
  simonrozsival
  and
  Copilot
  committed
  f5a8bac
- Keep the two Build.Tasks assemblies independent
  
  simonrozsival
  and
  Copilot
  committed
  1b14216
- Use file-scoped namespaces in new Build.Tasks files
  
  simonrozsival
  and
  Copilot
  committed
  71c0a14
- Update CoreCLR apkdesc baseline for Zstd assembly store
  
  simonrozsival
  and
  Copilot
  committed
  1ceb15d

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Replace AssemblyStore compression algorithm LZ4 with Zstd - #11730

Replace AssemblyStore compression algorithm LZ4 with Zstd#11730
jonathanpeppers merged 15 commits into
mainfrom
copilot/replace-lz4-with-zstd

Commits on Jun 24, 2026

Initial plan

Replace AssemblyStore LZ4 compression with Zstd

Commits on Jun 25, 2026

Update CoreCLR APK size descriptors

Use LibraryImport in Zstd tools

Use BCL ZstandardDecoder in tools

Inline ZstandardDecoder call

Commits on Jun 26, 2026

Address review feedback for Zstd compression changes

Update CoreCLR apkdesc baselines from CI build 1482888

Fix Zstd.Compress doc to match actual compression level

Commits on Jul 1, 2026

Merge remote-tracking branch 'origin/main' into copilot/replace-lz4-with-zstd

Use BCL ZstandardEncoder in a net11.0 CompressAssemblies task

Run CompressAssemblies in-process on .NET MSBuild

Keep the two Build.Tasks assemblies independent

Use file-scoped namespaces in new Build.Tasks files

Update CoreCLR apkdesc baseline for Zstd assembly store