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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.219 ·

Background-agent daemon upgrade check is prerelease-channel aware

Background agent daemons stop mistakenly retiring themselves when you run prerelease builds.

You'll notice Improvements
JSON All of v2.1.219
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
ImprovementsKind: in v2.1.219,
ImprovementsSection of the release
What

The stale-daemon retire decision and the generic version-newer comparison now understand prerelease channels, so an -engine. build is no longer compared as if it were stable.

Details
  • A version's prerelease channel is extracted before comparison; the recognized channels are ["dev", "engine"].
  • If the two versions carry different channels, neither is treated as newer than the other.
  • If either side is a prerelease and both cannot be parsed as dated builds, the comparison returns false.
  • Previously the check only special-cased the substring -dev..
Evidence

daemonVersion

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.219 →

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