perf(runtime): typed-feedback store forwards when recording is off; one-entry cache for the external-slot remembered set (ECS round 4) - #8951

Aug 28, 2026

perf(runtime): typed-feedback store forwards when recording is off; one-entry cache for the external-slot remembered set (ECS round 4)#8951
proggeramlug merged 2 commits into
PerryTS:mainfrom
proggeramlug:perf/ecs-r4-external-cache