hey @TeamYouTube what's wrong with my watch later playlist? it's been a week that I can't add any videos to it. Although there were notifications that those videos have been added to the playlist... please help i love that feature so much :/
Thanks for letting us know. If you're on Android try uninstalling the app updates, restarting your device and reinstalling them. Also, let us know if clearing the cache and cookies makes any difference on your browser. Keep us posted.