We do not claim keys for all rooms on startup with e2ee enabled in the matrix connector

[Cadair]

Here:

opsdroid/opsdroid/connector/matrix/connector.py

Line 173 in 69b3b9c

for room_id in self.room_ids.values():

We only iterate over self.room_ids which is the rooms in the config not all the rooms the account is joined to, this loop should be changed so it iterates over all rooms filtered by if encryption is enabled in that room.