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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
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Claude Code v2.1.307 ·

Host control requests now checked against a fixed list of six types

Claude Code now singles out six kinds of host control request, and certain replies now finish a command early

Under the hood Internal Changes
JSON All of v2.1.307
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
AgentsArea: what it touches
Internal ChangesKind: in v2.1.307,
Internal ChangesSection of the release

Unclear It is not shown where this filter applies or what it changes for hosts.

What

A host is a program that runs Claude Code and sends it control requests, messages that change things during a session. Claude Code now has a check that accepts only these request types, or any reply to a control request:

  • apply_flag_settings
  • set_max_thinking_tokens
  • set_permission_mode
  • mcp_set_servers
  • mcp_reconnect
  • reload_skills

Separately, a reply carrying certain request IDs now marks a command as finished early.

Why

This acts as a filter on which control messages count in some situations.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not shown where this filter applies or what it changes for hosts.

See this entry in the whole of v2.1.307 →

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