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 v2.1.246 Home All releases olderv2.1.245 v2.1.247newer
Claude Code v2.1.246

A second Linux process group is created for Bash tools but never used

Under the hood
Useful1 Signal0
Sandbox

A second Linux process group for Bash tools exists with helpers that nothing calls.

A claude-code-keeper process group sits beside the existing Bash group with no callers outside its own code.

What

On Linux and WSL, alongside the existing claude-code-bash process group used to contain tool processes, there is now a sibling claude-code-keeper group with helpers to create it, move a process into it and offer it when spawning. Nothing outside the process-group code itself calls any of them.

Details
  • Moving a process logs a line of the form tool cgroup: keeper pid <pid> moved to <path>.
  • There is no flag or setting involved; the functions are simply uncalled, and the name appears nowhere else in the build.
Evidence

claude-code-keeper

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 v2.1.246 →