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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
HomeReleasesv2.1.21entry #12

Claude Code v2.1.21 ·

Entry
JSON All of v2.1.21
EntryKind: in v2.1.21,
Bug FixesSection of the release
  • Fixed stream completion fallback trigger when message_start received but no content blocks completed ("Stream completed with message_start but no content blocks completed - triggering non-streaming fallback")
  • Fixed agent logging to properly identify agent in compact messages ("[inProcessRunner] ${K.agentId} compacting history" now includes agent ID)

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