STEPS TO REPRODUCE 1. Install the extension 2. go to https://www.youtube.com/tv# 3. try to play any video OBSERVED RESULT Video not play EXPECTED RESULT Video play CONSOLE: Uncaught TypeError: Cannot read property 'data' of null at Object.set (<anonymous>:32:92) at t1.d.sZ (app-prod.js:2499) at new t1 (app-prod.js:2493) at nf (app-prod.js:253) at K.tk (app-prod.js:254) at K.d.get (app-prod.js:250) at hf.resolve (app-prod.js:252) at sp.tk (app-prod.js:591) at sp.d.get (app-prod.js:250) at hf.resolve (app-prod.js:252)
this is related "Enhanced Media Controls"
I can confirm it's caused by Enhanced Media Controls (which are disabled by default because they sometimes break websites unfortunately)
Git commit ee0070a6bd0352980957f0dcb4414c54eb807e9e by Kai Uwe Broulik. Committed on 03/12/2018 at 08:36. Pushed by broulik into branch 'master'. Make media session property setter more resilient Don't break when it's set to null to unset metadata. Differential Revision: https://phabricator.kde.org/D17326 M +1 -1 extension/content-script.js https://commits.kde.org/plasma-browser-integration/ee0070a6bd0352980957f0dcb4414c54eb807e9e