Sound Durations
Sound durations are now read when adding a sound, fixing issues with incorrect duration displays.

Keyboard Shortcuts
Fixed issues with shortcuts not working in the last update, including toggle fullscreen and switch output device.

Buttons Grid
Added the ability to configure font size.

Playlist Panel
Added a "Play Next" button.
Button visibility can now be customized in the panel configuration.

News Notifications
Introduced a popup at startup for updates, videos, general announcements, and promotional info.
This feature can be disabled in Options -> Main -> News.