Move shared Linux build pool defaults from Ubuntu 22.04 to Azure Linux 3#126045
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Move shared Linux build pool defaults from Ubuntu 22.04 to Azure Linux 3#126045Copilot wants to merge 3 commits intorelease/10.0from
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Update enterprise and stress test build pool images: - enterprise/linux.yml - stress/http.yml - stress/ssl.yml Build.Ubuntu.2204.Amd64.Open → build.azurelinux.3.amd64.open Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: richlander <2608468+richlander@users.noreply.github.com> Agent-Logs-Url: https://github.com/dotnet/runtime/sessions/c17ba7e6-d26f-45fd-9226-6710ae2fc8dd
Copilot AI changed the title [WIP] [WIP] Address feedback on moving Linux build pools from Ubuntu 22.04 to Azure Linux 3 Move shared Linux build pool defaults from Ubuntu 22.04 to Azure Linux 3 Mar 24, 2026
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| Tagging subscribers to this area: @dotnet/runtime-infrastructure |
jkoritzinsky approved these changes Mar 24, 2026
Base automatically changed from copilot/update-remaining-build-pools-azurelinux3-10.0 to release/10.0 March 24, 2026 22:41
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The shared default pool template
eng/pipelines/common/xplat-setup.ymlstill referenced Ubuntu 22.04 pools after pipeline-specific files were migrated to Azure Linux 3 in #125996.Description
Updates the default Linux pool selection in
eng/pipelines/common/xplat-setup.ymlto match the Azure Linux 3 images already in use across pipeline-specific files andevaluate-paths-job.yml:Build.Ubuntu.2204.Amd64.Open→build.azurelinux.3.amd64.open1es-ubuntu-2204→build.azurelinux.3.amd64Customer Impact
Without this change, the majority of Linux CI jobs (those not using a pipeline-specific pool override) continue to run on Ubuntu 22.04 despite the intent of #125996 being a repo-wide migration to Azure Linux 3.
Regression
No — this is a forward migration, not a regression fix.
Testing
Pipeline configuration change only. Pool images referenced are the same ones already validated by
evaluate-paths-job.ymland the enterprise/stress pipeline files updated in #125996.Risk
Low. The Azure Linux 3 pool names (
build.azurelinux.3.amd64.open/build.azurelinux.3.amd64) are already in active use in this repo for evaluate-paths and several library pipelines.Package authoring no longer needed in .NET 9
IMPORTANT: Starting with .NET 9, you no longer need to edit a NuGet package's csproj to enable building and bump the version.
Keep in mind that we still need package authoring in .NET 8 and older versions.
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