@DinkenfunkleI contacted Firefox directly and they sent me a working solution (well, it worked for me, at least). After logging in to your Relay account, manually go to/enter the following address: https://relay.firefox.com/accounts/profile/refreshTh...
I'm still having issues with this. I correctly set a new primary email address in my Firefox account. I then removed the old one from the accounts page, but it's not entirely removed: when I go to either https://relay.firefox.com/accounts/profile/ or...
