Exactly Daniel, the search field was completely empty and the messages were hidden. I need to use the entry menu:
View->Show hidden messages and then all the messages appear. Ufff ;-) -- Messages in Inbox are hidden after using new search engine https://launchpad.net/bugs/67709 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs