You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Cloud SessionsArea: what it touches
ImprovementsKind: in v2.1.285,
ImprovementsSection of the release
What
The --environment flag creates a new cloud session, meaning a Claude Code session running on a remote machine. When it is used without the interactive screen, the request that creates the session can now include a list of disallowed tools, which are tools the session is not allowed to use. Claude Code also records how many tools were on that list. If one of your deny rules (a permission rule that blocks a tool) is written without its closing bracket, creating the session now stops with an error.
In this build the list of disallowed tools is always empty.
Why
This prepares for your deny rules to be carried over to cloud sessions, so a tool you block locally would also be blocked remotely.
How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtBecause the list is always empty in this build, it is unclear whether any of this changes how a cloud session behaves yet.