.NET 8.0.28

Release

What's Changed

• Fix SDK diff tests azure-devops extension install failure by @mthalman in #20853
• Update branding to 8.0.128 by @vseanreesermsft in #20859
• Update branding to 8.0.422 by @vseanreesermsft in #20860
• [release/8.0.1xx] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #20851
• [release/8.0.1xx] Update dependencies from dotnet/source-build-assets by @dotnet-maestro[bot] in #20857
• [release/8.0.4xx] Update dependencies from dotnet/arcade by @dotnet-maestro[bot] in #20852
• [release/8.0.4xx] Update dependencies from dotnet/source-build-assets by @dotnet-maestro[bot] in #20858
• [automated] Merge branch 'release/8.0.1xx' => 'release/8.0.4xx' by @github-actions[bot] in #20854
• [release/8.0.4xx] Update dependencies from dotnet/source-build-assets by @dotnet-maestro[bot] in #20867
• [release/8.0.1xx] Update dependencies from dotnet/source-build-assets by @dotnet-maestro[bot] in #20866
• [automated] Merge branch 'release/8.0.1xx' => 'release/8.0.4xx' by @github-actions[bot] in #20868
• .NET Source-Build 8.0.127 May 2026 Updates by @dotnet-sb-bot in #20865
• Merging internal commits for release/8.0.1xx by @vseanreesermsft in #20864
• Merging internal commits for release/8.0.4xx by @vseanreesermsft in #20863
• [automated] Merge branch 'release/8.0.1xx' => 'release/8.0.4xx' by @github-actions[bot] in #20870
• [release/8.0.4xx] Update dependencies from dotnet/source-build-externals by @dotnet-maestro[bot] in #20872
• [release/8.0.1xx] Update dependencies from dotnet/source-build-externals by @dotnet-maestro[bot] in #20871
• [automated] Merge branch 'release/8.0.1xx' => 'release/8.0.4xx' by @github-actions[bot] in #20873
• [release/8.0.1xx] Use MI in VMR sync pipeline instead of an AzDO PAT by @premun in #20869
• [automated] Merge branch 'release/8.0.1xx' => 'release/8.0.4xx' by @github-actions[bot] in #20874

Full Changelog: v8.0.421...v8.0.422