INBOX, and other folders when filters are in use, won't update after new messages are retrieved. Closing and reopening the MailNews section does not help. Only after quitting Warpzilla do the new messages show.
warpzilla --> reassigning.
I'm adding myself to the CC list - want to follow the progress. I'd like to add some information to this bug: When you receive messages into a different account from the one whose folder is selected, and this account has filters set (even if they are empty filters), the icon which is next to the name of that account (for example 'firstname.lastname@example.org') shows a green arrow, so you know you have received new messages. When you "unfold" that account to show the Inbox, Drafts, Templates, etc. folders, the "inbox" text should transform into bold, and a number indicating the nº of messages received should appear. However, that doesn't happen. If you then click on the Inbox folder, it automatically turns bold and shows the number. From this point on, if you receive more messages in that account, the bug is not shown. That means, the problem only happens when it's the first time you receive messages in that account since you opened "mail&news".
This was fixed a while ago Marking worksforme.
please reopen if this is not fixed in the nightlies...