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 v2.1.228 Home All releases olderv2.1.227 v2.1.229newer
Claude Code v2.1.228

The model-based Bash command prefix classifier is gone

You'll notice
Useful4 Signal3
Permissions

Bash permission checks no longer ask a model to figure out the command prefix.

What

Bash permission decisions no longer make a model call to extract a command prefix. The prompt, its command_injection_detected escape hatch and its example list are absent from the bundle, along with the caching class that drove it.

Evidence

command_injection_detected

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

See this entry in the whole of v2.1.228 →