How long any port may stay silent before it is dropped entirely. Generous:
a frozen tab posts nothing but keeps its MessagePort, and every broadcast
posted to it while frozen is delivered when it thaws — dropping it early
would forfeit that replay. A dropped port that speaks again is re-admitted.
How long any port may stay silent before it is dropped entirely. Generous: a frozen tab posts nothing but keeps its MessagePort, and every broadcast posted to it while frozen is delivered when it thaws — dropping it early would forfeit that replay. A dropped port that speaks again is re-admitted.