Warning for Windows users: Do not update from 1.8.0 directly to 1.9.0. Instead, update to 1.8.1 first and then update to 1.9.0. Otherwise your Birdtray settings will be reset during the update.

Additions:

• Add a hook to allow calling a command each time the unread count changes. (@gyunaev)
• Add Swedish translations. (By @eson57)
• Add an option to ignoring all currently unread emails when clicking on the Birdtray icon to hide Thunderbird. (@gyunaev)
• Add Polish translations. (By @Aenye-Cerbin)
• Add Turkish translations. (By @ridvanaltun)

Changes:

• Birdtray now detects and rejects icons with an invalid color profile. (@Abestanis)
• Fix Birdtray on Linux sometimes thinking the Thunderbird window is hidden when it is not. (@gyunaev)
• Fix Birdtray hanging on startup if a watched Thunderbird mail account was deleted. (@Abestanis)
• Various other fixes. (@gyunaev & @Abestanis)