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ci: upgrade default Node.js to 26 and trim test matrix#402

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ci: upgrade default Node.js to 26 and trim test matrix#402
mizdra wants to merge 9 commits into
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ci/upgrade-to-node-26

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@mizdra mizdra commented May 16, 2026

Summary

  • Bump the default Node.js version across CI workflows to 26 now that it has been released.
  • Trim the test matrix to reduce resource usage on combinations with little marginal value.

Changes

test job

  • Run on all 3 OSes (ubuntu / macos / windows) only for Node 26 / stylelint 17.
  • Run Node 22 / 24 (stylelint 17) on ubuntu only.
  • Continue running Node 26 / stylelint 16 on ubuntu only.
  • Rationale: OS-specific issues that only reproduce on old Node × macOS/Windows are very rare; in nearly all cases the same issue also reproduces on ubuntu and can be caught there. Keeping the rarely-useful combinations isn't worth the CI resources.

vscode-test job

  • Pin to Node 26.
  • Rationale: The VS Code extension host runs tests with the Node.js bundled into VS Code, so the runner's Node.js version does not affect the tests.

Other

  • Bump lint, build, and check-generated-in-examples jobs to Node 26.
  • Switch release.yml runner from ubuntu-latest to ubuntu-24.04-arm to match other jobs.

Test plan

  • Confirm CI passes

@mizdra
ci: upgrade default Node.js to 26 and trim test matrix
3b8d753 
Bump the default Node.js version across CI workflows to 26 now that it has
been released. Drop multi-OS coverage for older Node and for vscode-test:

- test job: only run Node 26 / stylelint 17 across ubuntu/macos/windows.
  Older Node versions (22, 24) run on ubuntu only since OS-specific issues
  in old Node versions almost always reproduce on ubuntu too.
- vscode-test job: pin to Node 26. The extension host uses VS Code's
  bundled Node, so the runner's Node version does not affect tests.
- release.yml: switch runner to ubuntu-24.04-arm to match other jobs.
@mizdra mizdra added the Type: CI Changes to CI configuration files and scripts label May 16, 2026
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changeset-bot Bot commented May 16, 2026 •
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Latest commit: 01d4819

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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