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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 v2.1.304 ·

Small internal additions for cloud sessions, the SDK and plugins

Claude Code adds several small internal fields and counters around cloud sessions, the SDK and the plugin cache

Under the hood Internal Changes
JSON All of v2.1.304
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
SDKArea: what it touches
Internal ChangesKind: in v2.1.304,
Internal ChangesSection of the release
What

Several small internal additions:

  • Counters for dropped tags and dropped members in data frames.
  • A cloud_session_close_on_leave entry.
  • A sdkCachePartition entry in the SDK's header features.
  • A list of cloud tabs passed to the interface.
  • The session mode written by the service is now sent.
  • Plugin agents now receive which model a service runs.
  • A new passed_by worker event is handled.
  • Plugin cache folders ending in .set-aside are treated like those ending in .staging.
Why

These are behind-the-scenes changes around cloud sessions and the SDK, the toolkit for building on Claude Code. None is known to change what you see.

See this entry in the whole of v2.1.304 →

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