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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 v2.1.239 ·

Half-received mouse reports no longer corrupt typed input

A half-received mouse report is now discarded instead of dumping stray characters into your prompt.

You'll notice Bug Fixes
JSON All of v2.1.239
You'll noticeTier: how much it should matter to you
4Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
Terminal InputArea: what it touches
Bug FixesKind: in v2.1.239,
What probably matters to youSection of the release
What

The terminal input parser can now recognise a partial mouse sequence, wait briefly, and discard it if the rest never arrives, instead of letting the leftover characters land in your prompt.

Details
  • The parser tracks a dropped-prefix state with its own expiry deadlines and matches an incomplete escape sequence.
  • Click dispatch now reports one of three outcomes, handled, unhandled or stray, with a flag marking a click dropped as stray.
  • Click events carry a field indicating the click merely activated the terminal window, so a focus click can be told apart from a real one.
Evidence

droppedAsStray

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

See this entry in the whole of v2.1.239 →

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