Hi

Do you have an example of a site and/or a video where this is happening?

This will help us to look into this issue further for you.

Hello, as an example. In the YouTube, I can stretch the video to full screen. In the firefox can not stretch. The safari on iohone, for example has a special button for this. https://s.amsu.ng/IxcTqOhgvnsN

Hello, as an example. In the YouTube, I can stretch the video to full screen. In the firefox can not stretch. The safari on iohone, for example has a special button for this. https://s.amsu.ng/IxcTqOhgvnsN