anyway, this was posted some 11 days ago, and emails were sent out too.
as far as your other assertions regarding cookies, I don’t have sufficient information or expertise or behind the scenes knowledge of plex’s implementation to prove or disprove your statement.
be that as it may, there simply isn’t anything that can be done in the mean time other than;
use a supported device that has updated certs.
use insecure connections as a (hopefully temporary) work around.
