Graham Dumpleton

/lifecycle frozen

Section https://kopf.readthedocs.io/en/stable/handlers/#state-changing-handlers in docs where mentions `optional=True` should also perhaps note that this will be ignored in case of `@kopf.timer` and `@kopf.daemon` being used.

FWIW. Often these crash on shutdown issues are caused by background daemon threads waking up while process exit is occurring and trying to do things after the Python interpreter has...