We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

為了改善您的使用體驗,本網站正在進行維護,部分功能暫時無法使用。若本站的文件無法解決您的問題,想要向社群發問的話,請到 Twitter 上的 @FirefoxSupport 或 Reddit 上的 /r/firefox 發問,我們的社群成員將很快會回覆您的疑問。

搜尋 Mozilla 技術支援網站

防止技術支援詐騙。我們絕對不會要求您撥打電話或發送簡訊,或是提供個人資訊。請用「回報濫用」功能回報可疑的行為。

了解更多

Youtube progress bar blocks half the video window!

more options

Today firefox prompted me to upgrade to the latest version, i upgraded to 75.0, then a problem began with youtube. whenever i hover the mouse over the video window the progress bar comes up with white background instead of being transparent as usual, and that huge white bar hides half the video window. i attached a picture, in the top the video is normal when the progress bar is hidden, but when i hover the mouse to bring the progress bar this white monster bar comes up and hides half the screen. the exact same thing happens when the video is full screen too.

i tried removing all plug-ins and extensions, it still happened.

i cleared cache, history, cookies, it still happened.

i logged off completely, it still happened when i played a video without being logged in.

i started firefix in safe mode, still happened in safe mode.

chrome, opera, and edge work alright on youtube. only firefox following today's update. Any help? Thanks

Today firefox prompted me to upgrade to the latest version, i upgraded to 75.0, then a problem began with youtube. whenever i hover the mouse over the video window the progress bar comes up with white background instead of being transparent as usual, and that huge white bar hides half the video window. i attached a picture, in the top the video is normal when the progress bar is hidden, but when i hover the mouse to bring the progress bar this white monster bar comes up and hides half the screen. the exact same thing happens when the video is full screen too. i tried removing all plug-ins and extensions, it still happened. i cleared cache, history, cookies, it still happened. i logged off completely, it still happened when i played a video without being logged in. i started firefix in safe mode, still happened in safe mode. chrome, opera, and edge work alright on youtube. only firefox following today's update. Any help? Thanks

由 fantonih 於 修改

被選擇的解決方法

I don't fully understand this other workaround someone posted on Reddit. It seems to be a filter expression for uBlock Origin, if you use that add-on.

https://www.reddit.com/r/firefox/comments/fy6l1z/youtube_borked_with_new_firefox/fmytbrw/

從原來的回覆中察看解決方案 👍 0

所有回覆 (6)

more options

There's currently an open bug about this issue (see bug 1628947).

It's related to the privacy.resistFingerprinting setting in Firefox. You can use the about:config page to set that preference to false and the white background should go away when you restart Firefox.

However, please note that turning off that preference is turning off a privacy feature, so do so at your own risk.

由 Wesley Branton 於 修改

more options

Thanks for the help. i do not want to allow fingerprinting, i will wait for the fix. Thanks again.

more options

選擇的解決方法

I don't fully understand this other workaround someone posted on Reddit. It seems to be a filter expression for uBlock Origin, if you use that add-on.

https://www.reddit.com/r/firefox/comments/fy6l1z/youtube_borked_with_new_firefox/fmytbrw/

more options

More information. It seems that Youtube is actively changing things that so far affects Firefox only. Even with the original problem I could still see video recommendations on the right side if the screen, but now they are gone and no longer appear without me changing anything.

more options

jscher2000 said

I don't fully understand this other workaround someone posted on Reddit. It seems to be a filter expression for uBlock Origin, if you use that add-on. https://www.reddit.com/r/firefox/comments/fy6l1z/youtube_borked_with_new_firefox/fmytbrw/

Thank you!!!!

more options

Well, it's a style rule, actually, so if you use Stylus, you can apply this as a temporary workaround: