Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Process LifecycleArea: what it touches
Internal ChangesKind: in v2.1.242,
Internal ChangesSection of the release
What
The process lifecycle gained a slot for a single shutdown callback that can be set or cleared, runs once before an interactive session exits, is skipped if shutdown is already under way, and has its errors sent to the error reporter rather than surfaced.
Evidence
runBeforeInteractiveShutdown
Strings lifted out of the shipped bundle, so the claim above can be checked against them.