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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.248 ·

Cloud init frames carry worker generation and boot timings

Cloud startup messages now carry worker generation and boot timing bookkeeping.

Under the hood Internal Changes
JSON All of v2.1.248
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Cloud SessionsArea: what it touches
Internal ChangesKind: in v2.1.248,
Internal ChangesSection of the release
What

Cloud session startup messages now pass along a worker generation number when one is present, plus timestamps for when the worker was last seen up and when its boot was counted, and the session mode from bootstrap. Bookkeeping only, with no visible effect.

Evidence

workerEpoch

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

See this entry in the whole of v2.1.248 →

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