Nothing to try yetTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Computer UseArea: what it touches
In DevelopmentKind: in v2.1.242,
In DevelopmentSection of the release
App locking blocks screen-wide computer use, but availability rests on a host implementation absent here.
What
While the new per-app control holds a lock on an application, whole-screen computer-use actions are refused with a message telling the model to release the app first. Whether any of this is available is decided by the host program at runtime, not by a setting visible in the build.
Details
The tool router branches on the app-scoped tools, including app_release and the new request_full_control and release_full_control.
If the host provides app-scoped control but its enabled check returns false, any app-scoped call other than release drops the app lock, clears the stored screenshot and returns a feature_disabled error.
Sessions holding a lock report it in text beginning "This session is currently controlling ".
Evidence
This session is currently controlling
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
