GitHub Action supports Ubuntu 26.04 image as a "Public Review" for 1 month: * [Ubuntu2604-Readme.md](https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2604-Readme.md) * [Ubuntu 26.04 and Ubuntu 26.04 Arm is now available as a public preview](https://github.com/actions/runner-images/issues/14226) * [GitHub-hosted runners reference](https://docs.github.com/en/actions/reference/runners/github-hosted-runners) mentions ubuntu-26.04 as a "Public preview" I created https://github.com/python/cpython/pull/152717 to test if it would be possible to upgrade Ubuntu 24.04 to 26.04. I had [multiple issues](https://github.com/python/cpython/pull/152717#issuecomment-4854885282). To prepare our workflow for Ubuntu 26.04, I propose to start with: * Upgrade LLVM from 19, 20 or 21 to LLVM 20: PR gh-152781. * Upgrade Java from 17 to 21: PR gh-152783. * Upgrade GCC from 10 to 13 in Address Sanitizer: PR gh-152782. <!-- gh-linked-prs --> ### Linked PRs * gh-152717 * gh-152781 * gh-152782 * gh-152783 * gh-152920 * gh-152921 * gh-152922 * gh-152948 * gh-152949 * gh-152950 * gh-152968 * gh-152969 <!-- /gh-linked-prs -->
GitHub Action supports Ubuntu 26.04 image as a "Public Review" for 1 month:
I created #152717 to test if it would be possible to upgrade Ubuntu 24.04 to 26.04. I had multiple issues.
To prepare our workflow for Ubuntu 26.04, I propose to start with:
Linked PRs