Reference the SVG blur filter using the current URL to make it work in the Customizer.
Add a TinyMCE view to preview playlists in the editor.
Fix the upload file type filters.
Update jquery-cue to 1.1.3
Prevent a fatal error in the Customizer when there aren't any published playlists.
Disable transitions on the player buttons.
Bump to version 1.2.6