older messages marked as unread sporadically (1.3.10)
I can see that older messages are marked as unread sporadically in my
As far as I can see, this behavior has nothing to do with any filtering
My roundcube version is 1.3.10 (not the latest one).
Is it known bug?
Not that it's too annoying, but just in case wanted to know if other
users experienced it as well.