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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 event uploader can keep undelivered events on close

The cloud event uploader can keep pending events on close and splits oversized batches.

Under the hood Internal Changes
JSON All of v2.1.248
Under the hoodTier: how much it should matter to you
2Useful: 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

The batching uploader can now retain in-flight and pending events when closed, exposes peek/take/discard accessors, and splits an enqueued array larger than the queue cap into successive batches instead of deadlocking.

Evidence

retainUndelivered

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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