Similar here with thunderbird-17.0.9-1.fc19.x86_64 on Fedora Linux . Mail typing slowing from time to time plus when looking at calendar, it sometimes is "blinking": items disappearing and then reappearing in around half a second.
Similar here with thunderbird- 17.0.9- 1.fc19. x86_64 on Fedora Linux . Mail typing slowing from time to time plus when looking at calendar, it sometimes is "blinking": items disappearing and then reappearing in around half a second.