Nothing to try yetTier: how much it should matter to you
2Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
SandboxArea: what it touches
In DevelopmentKind: in v2.1.251,
What probably matters to youSection of the release
A filesystem-grant-free sandbox mode exists with no visible caller in this build.
What
The sandbox configuration builder gained a mode that suppresses most filesystem grants, leaving a policy-only sandbox. Nothing in the code read for this build shows what turns the mode on.
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 agreeFixed an additionalDirectories entry containing a null byte crashing startup, or breaking /add-dir and later settings updates when it came…
