[3.15] gh-152785: Upgrade Ubuntu from 24.04 to 26.04 in GitHub Actions (#152717)#153416
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…python#152717) * Replace "ubuntu-24.04" with "ubuntu-26.04". * Replace "ubuntu-latest" with "ubuntu-26.04" for Cross build Linux. * Replace "ubuntu-latest" with "ubuntu-slim" for small workloads. * Update ".github/actionlint.yaml" to allow "ubuntu-26.04" and "ubuntu-26.04-arm" images. * Install Ubuntu libmpdec-dev package, rather than installing libmpdec from source (tarball). * No longer run https://apt.llvm.org/llvm.sh, since ubuntu-26.04 provides clang-21 by default. Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com> (cherry picked from commit 4c79929)
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This was referenced Jul 9, 2026
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I mark this draft until I see the CI jobs passing on the PR. |
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@hugovk: So here is a backport for 3.15. If it's merged, it will be backported to 3.14. |
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Thanks! |
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Sorry, @vstinner and @hugovk, I could not cleanly backport this to |
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GH-153526 is a backport of this pull request to the 3.14 branch. |
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Jul 11, 2026
#152717) (#153416) (#153526) * [3.15] gh-152785: Upgrade Ubuntu from 24.04 to 26.04 in GitHub Actions (#152717) (#153416) gh-152785: Upgrade Ubuntu from 24.04 to 26.04 in GitHub Actions (#152717) * Replace "ubuntu-24.04" with "ubuntu-26.04" on most jobs. * Replace "ubuntu-latest" with "ubuntu-26.04" for Cross build Linux. * Replace "ubuntu-latest" with "ubuntu-slim" for small workloads. * Update ".github/actionlint.yaml" to allow "ubuntu-26.04" and "ubuntu-26.04-arm" images. Backport changes: * Keep Ubuntu 24.04 and llvm.sh to install LLVM 19 and LLVM 20. * WASI uses ubuntu-26.04, not ubuntu-26.04-arm. (cherry picked from commit 4c79929) Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com> (cherry picked from commit da999e6) Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
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(cherry picked from commit 4c79929)