Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Cloud SessionsArea: what it touches
Internal ChangesKind: in v2.1.248,
Internal ChangesSection of the release
What
The worker process now tracks the no-subscriber flush interval, the last reported subscriber state and the reports themselves alongside its existing stream-event buffer and timer, so its flush cadence can differ when nobody is listening. Closing a connection can also now retain undelivered client events rather than dropping them.
Evidence
noSubscriberStreamEventFlushIntervalMs
Strings lifted out of the shipped bundle, so the claim above can be checked against them.