Please download spring Multi Room Audio Player update. Go to the download page to get the latest version. Below you can find a list of all changes, fixes, and improvements:
[-] Fixed: Few minor bugs;
[-] Fixed: Google Music playlist bug;
[+] Added: New API method RefreshAudioDevices;
[+] Added: Volume text indication;
[+] Added: Scheduled task enable\disable indicator;
[+] Added: New type of scheduled tasks to manage tasks itself – enable\disable or invert task;
[+] Added: Simple event viewer (menu Help\Event Viewer);
[+] Added: Ability to get Spotify artist artwork using duplex API notification.
Thanks it works.