Add the channel support.
Add the multi-track support.
Add the 'cover' style.
ControllerCore: Add the 'clearMedia' function.
ControllerCore: Update the 'applyBackend' function.
ControllerCore: Update the 'clearCache' function.
DataLocal_patch: Fix version check.
Gui: Use the 'AnimatedLoader' item.
Gui: Update the area(s) height.
Gui: Update the 'pClose' function.
Gui: Fix the 'getPanelWidth(s)' functions.
Gui/player: Update to WBackendManager.
Gui/dev: Add the 'pGetCoverWidth' function.
PanelBackends: Add the 'back' icon.
PanelRelated: Update the 'pGetSource' function.
PanelOutput: Fix the 'scanOutput' usage.