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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 v2.1.219

Fast mode disable records a source and a new reason

You'll notice
Useful3 Signal0
Models

When fast mode is switched off, it now records why and where from, including hitting extra-usage limits.

What

The fast-mode disabled state now records where the disable came from and distinguishes an overage rejection, and both disable paths avoid redundant app-state writes.

Details
  • the disabled state object carries source: "server"
  • an overage rejection sets reason extra_usage_disabled and emits the disabled event
  • both disable paths skip the app-state write when penguinModeOrgEnabled is already false
  • the preference-disable path bails out early only when the existing disabled state came from the server and is not a recoverable reason
Evidence

extra_usage_disabled

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 v2.1.219 →