Fixes • Importing secret OpenPGP keys failed when public key with public subkey was already present • Message index files were incorrectly deleted when too many folders were opened • Thunderbird sometimes incorrectly formatted synced vCards • Recurring events did not display past a certain number of repetitions • Cookies deleted from the "Show Cookies" dialog were not actually deleted • Paused RSS feeds did not actually pause updates • Various visual and UX improvements • Various security fixes