Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
HooksArea: what it touches
Internal ChangesKind: in v2.1.238,
Internal ChangesSection of the release
What
Each hook callback records which generation of the SDK host it belongs to. If that host has since been replaced and a retirement answer is on file, the callback answers from that instead of sending a request to a host that is no longer listening.
Evidence
retiredHostHookAnswer
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
