Summary of changes since v0.2.9.4:

- Drastic reduction in memory usage
- Tagging e-mails (contributed by Shanti Bouchez)
- Faster fetching of data
- Much more efficient support for threading
- More robust IMAP support
- A new Debug menu
- Autocompletion of e-mail addresses (contributed by Thomas Gahr)
- Reporting server/client configuration through ID
- Support of multipart/related for full rfc2387 compliance
- Showing Trojita's homepage on start
- GUI fixes (now finally works in dark themes)
- SMTP works over SSL (contributed by Shanti Bouchez)
- Expanded unit test coverage
- Plenty of bugfixes and further improvements