Source Intelligence

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

All of v2.1.248 Home All releases olderv2.1.247 v2.1.250newer
Claude Code v2.1.248

Numbered lists tell you when part of your typing was swallowed

You'll notice
Useful3 Signal1
Agents

Numbered choice prompts ignore keystrokes typed too early and tell you when input was dropped.

What

The numbered multi-select prompt and the iTerm2 split-pane setup dialog now drop digits, Enter, backspace and free-text edits that arrive during the grace window after they mount or change state, and say so when a partial selection was lost.

Details
  • Wired in via a new refuseInput prop; on-change and on-submit handlers can now return false to reject an edit.
  • The iTerm2 dialog also guards install, verify and use-tmux against double-firing while one is in flight.
Evidence

Part of that entry arrived before the list was ready — enter your selection again.

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

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.248 →