GitHub Actions Sandbox Now Supports Git Worktrees

The Linux/GitHub Actions sandbox permission list has been updated to include the files and directories required for git worktree operations:

/.git/worktrees — worktree reference directory
/.git/commondir — points a worktree back to the main .git
/.git/config.worktree — per-worktree config overrides

This means Actions workflows that use git worktree add no longer need to disable sandboxing or add manual overrides.

Evidence

Sandbox filesystem setup (search for "/.git/worktrees") — E1r() at line ~174833 and v1r() at line ~175075

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

How sure we are

One source agreesOne thing we can check says the same as this entry.

Anthropic's release notes agreeAdded /config key=value syntax to set any setting from the prompt (e.g. /config thinking=false) — works in interactive, -p, and Remote…

See this entry in the whole of v2.1.181 →

The build it came inv2.1.181

17 Jun 2026 · 18 entries, this one is #9.

Either side of it

v2.1.179Older
v2.1.182Newer

Open the release →

Anthropic's note

Upstream's own release notes for v2.1.181 name something this entry names, so the two are probably about the same change. Probably: the pairing is made on a shared name rather than on the words around it.

Added /config key=value syntax to set any setting from the prompt (e.g. /config thinking=false) — works in interactive, -p, and Remote Control

Is this right?