Nothing to try yetTier: how much it should matter to you
1Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
SandboxArea: what it touches
In DevelopmentKind: in v2.1.242,
In DevelopmentSection of the release
The sandboxed-attempt cache slot is declared beside the plan-mode guard and never read.
What
The per-session store that remembers gate answers gains a slot for a sandboxed-attempt decision, sitting next to the plan-mode resume guard. Nothing in the build reads it, so it looks like groundwork for a sandboxed retry behaviour that has not shipped.
Evidence
sandboxedAttemptGateEnabled;
Strings lifted out of the shipped bundle, so the claim above can be checked against them.