- [apm] feat: Add a simple heartbeat check, if activities don't change in 3 beats, finish the transaction (2478)
- [apm] feat: Make use of the `performance` browser API to provide better instrumentation (2474)
- [browser] ref: Move global error handler + unhandled promise rejection to instrument (2475)
- [apm] ref: Always use monotonic clock for time calculations (2485)
- [apm] fix: Add trace context to all events (2486)