Same for me - the red dot is always there, even when all the messages are read. I though for a second that it was because there is a message in the 'Other' folder but it's not the issue.
Looking forward to the fix.

@przemod: I experience the same - some sites stopped being recognized, even if I add them manually

Same for me - the red dot is always there, even when all the messages are read. I though for a second that it was because there is a message in the 'Other' folder but it's not the issue.
Looking forward to the fix.