So, I never had issues joining this realm before, and now when I've updated the game, I am not able to connect to it. I've checked my firewall/router/windows/xbox settings and it should all be good to go.
REALMS-6065
Unable to connect to realm, after the update. (PC)
Resolved
Cannot Reproduce
0
UPDATE...
After two days of not being able to connect, now that I've posted this report... the issue seems to fix itself..