🔧 Move the Linux builds off the runner GitHub is retiring - #28
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`ubuntu-22.04` begins deprecation on 2026-09-17 and is fully unsupported from 2027-04-17. Deprecation is not a warning-only period: GitHub fails jobs on that label outright during scheduled brownouts, so both CI and, worse, a tagged release would start failing on a date rather than on a change. Moved to `ubuntu-24.04` rather than `ubuntu-latest`. The label decides the glibc floor of the published `.deb` and `.AppImage`, and that floor is a user-facing compatibility promise — it should move when someone decides to move it, not when GitHub repoints a rolling alias. The move does raise that floor, from glibc 2.35 to 2.39: the Linux artifacts no longer run on Ubuntu 22.04 or Debian 12. That is a real regression for those users and it is now stated in the README's Install section instead of being discovered at runtime. Building from source on those distributions still works. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This was referenced Aug 26, 2026
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What
Moves the Linux CI and release legs from
ubuntu-22.04toubuntu-24.04, and documents the compatibility consequence.Why now
ubuntu-22.04begins deprecation on 2026-09-17 and is fully unsupported from 2027-04-17 (actions/runner-images#14254).Deprecation is not a warning-only period. GitHub fails jobs on that label outright during scheduled brownouts. So this is a break that arrives on a date, not on a change — and it would hit
release.ymlas readily asci.yml, i.e. potentially in the middle of cutting a tag.Why a pinned label and not
ubuntu-latestThe runner label decides the glibc floor of the published
.deband.AppImage. That floor is a user-facing compatibility promise, so it should move when someone decides to move it — not when GitHub repoints a rolling alias.The cost, stated plainly
This does raise the floor from glibc 2.35 to 2.39. The Linux artifacts will no longer run on Ubuntu 22.04 or Debian 12.
That is a real regression for those users. It is now written in the README's Install section rather than left to be discovered at runtime, and building from source on those distributions is unaffected.
Changes
.github/workflows/ci.ymlubuntu-22.04→ubuntu-24.04(matrix + theif:guard), with the reasoning in a comment.github/workflows/release.ymlREADME.mdVerification
app/**files are touched, so this PR exercises the workflow change itself: CI triggers on.github/workflows/ci.yml, which is exactly the path being edited — the Linux leg going green on this PR is the test.🤖 Generated with Claude Code