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fix: accept every Node.js version from 26 in adapter-vercel - #17584
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Vercel supports every Node.js major from 26 onwards, not only even ones, so Node 27 builds should resolve to `nodejs27.x` instead of throwing. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Install the latest version of pnpm add https://pkg.svelte.dev/@sveltejs/kit/c/67dd0a8373e59fecb3dca0f520de1bd75f5718f2Open in Note This PR is from a fork. A maintainer must approve approve each commit before it can be built and installed. |
🦋 Changeset detectedLatest commit: 67dd0a8 The changes in this PR will be included in the next version bump. This PR includes changesets to release 1 package
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This was referenced Oct 30, 2026
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Summary
Let
@sveltejs/adapter-vercelaccept every Node.js major from 26 onwards, not only even ones, so Node.js 27 builds resolve tonodejs27.xinstead of throwing.Context
#17570 made the adapter accept any even Node.js major with
/^nodejs[2-9][02468]\.x$/, because Node.js used to make only even majors LTS. From Node.js 27 onwards every major becomes LTS, and Vercel will support every major from 26 onwards. With 7.0.2, a build on Node.js 27 throwsUnsupported Node.js version: v27.x. Please use an even Node version, andruntime: 'nodejs27.x'is rejected.The regex is now
/^nodejs(2[0246-9]|[3-9]\d)\.x$/, which accepts 20, 22 and 24 and every major from 26 to 99. 21, 23 and 25 still throw, because Vercel never had those runtimes. The error messages name the supported versions instead of "even".Please don't delete this checklist! Before submitting the PR, please make sure you do the following:
Tests
pnpm testand lint the project withpnpm lintandpnpm checkChangesets
pnpm changesetand following the prompts. Changesets that add features should beminorand those that fix bugs should bepatch. Please prefix changeset messages withfeat:,fix:, orchore:.Edits
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