Or, locate your 'Announcement' suggestion under 'general'.
Announcements Child boards: MusicBee Release, MusicBee Pre-Release
Tips and Tricks
General Discussions Child boards: Discussing MusicBee, Polls
Beyond musicBee Child boards: Related Interests, Rubbish Bin
Customisations Child boards: TheaterMode, Skins, Icons, Visualisers, Localisation, Showcase
Questions Child boards: Questions on MusicBee, Support in non-English languages only
Developers Child boards: MusicBee API, Skins, TheaterMode
'Tips and Tricks' could also go under 'Support', I have no strong opinion on that.