https://connect.mozilla.org/t5/discussions/old-user-finding-new-things/m-p/21505#M9067 <P>whenever hitting F on youtube it does not show black screen but show as directly to full screen without blank screen first and it not show escape to exit on fullscreen.</P><P>It not shows some website's UI menus</P> Fri, 23 Dec 2022 09:19:45 GMT gurpreet 2022-12-23T09:19:45Z https://connect.mozilla.org/t5/discussions/old-user-finding-new-things/m-p/21505#M9067 <P>whenever hitting F on youtube it does not show black screen but show as directly to full screen without blank screen first and it not show escape to exit on fullscreen.</P><P>It not shows some website's UI menus</P> Fri, 23 Dec 2022 09:19:45 GMT https://connect.mozilla.org/t5/discussions/old-user-finding-new-things/m-p/21505#M9067 gurpreet 2022-12-23T09:19:45Z