You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
SandboxArea: what it touches
ImprovementsKind: in v2.1.310,
ImprovementsSection of the release
What
The sandbox is a restricted area Claude Code can run commands in. When it is switched on but fails to start, the warning used to always say dependencies were missing and suggest installing tools such as bubblewrap and socat. Now:
if an error says something is not installed or not found, or you are on Windows, the warning still says dependencies are missing and shows the install hint
otherwise it says "sandbox is enabled but cannot start here", with no install hint
the detailed error now reads "The sandbox cannot run on this machine yet:" followed by the reasons
Why
The old message could send you off installing packages when something else was the real problem. The new wording points you at the actual cause.
