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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.

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Claude Code v2.1.113

Custom Session Titles via SDK Protocol

What

The SDK initialize protocol now accepts a title parameter, allowing programmatic callers to set a custom session title at launch.

Details
  • When provided, the session uses the custom title and skips automatic title generation
  • Has no effect on the persisted title when resuming an existing session
  • Also adds a customTitle field to the session schema for user-set titles via /rename
  • The /rename command description now mentions that the title appears in the "prompt box, /resume picker, and terminal title" (previously only "/resume and terminal title")
Evidence

SDK protocol schema (search for "Custom session title. When provided")

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 v2.1.113 →