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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 v2.1.198 ·

control_request_progress Messages

Entry
JSON All of v2.1.198
EntryKind: in v2.1.198,
ImprovementsSection of the release

A new control_request_progress system message type provides progress updates for long-running client-originated control requests.

Details
  • Currently applies to side_question control requests
  • Status values: "started" (worker accepted and launched) and "api_retry" (includes retry counters)
  • Correlated by request_id
Evidence

Schema description (search for "@internal Progress for a long-running client-originated control_request")

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

See this entry in the whole of v2.1.198 →

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