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Sweep 23 Oct 2026 · 21:48Z Build v2.1.310 529 read Stable v2.1.308 Latest v2.1.309 Next v2.1.310 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.310 ·

Conversation tidying can now insert a notice and a stand-in tool call for a round host

Before sending the conversation to the model, Claude Code can now insert a notice plus a stand-in tool call and its result for a round host

Under the hood Internal Changes
JSON All of v2.1.310
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
Context WindowArea: what it touches
Internal ChangesKind: in v2.1.310,
What probably matters to youSection of the release

Unclear What a round host is and when this insertion happens is not stated.

What

Before sending the conversation to the model, Claude Code tidies it up. That step can now insert a notice, a stand-in tool call and its result for a "round host". A tool call is a request by Claude to use one of its tools, such as reading a file. The placement of notices about delivered tasks also now takes into account whether a round host is involved.

Why

This may change where notices about delivered tasks appear in the conversation.

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 doubtWhat a round host is and when this insertion happens is not stated.

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