

Next, type media into the search bar (not the address bar) and navigate to. A warning message appears after clicking enter, explaining that changing settings can be harmful but the process is simple enough to click “I accept the risk!” without worry. Fortunately for those that are suffering, there is a fix.įirstly, users are instructed to open a new tab and place about:config in the address bar. The issue is even more inconsistent for some Firefox users, who report that only select videos that would usually carry the option are omitting it when using the browser, while others have the option as intended. It seems that not all Firefox users are affected by the issue, with Reddit speculating that the ones that are could be unintentionally blocking the VP9 codec and forcing H264 instead by using add-ons such as h264ify. True enough, YouTube’s increasingly popular 4K option could not be found when using Firefox, but appeared for the very same videos when utilising a rival browser.

While the issue was brought up by KitGuru’s senior editor Leo Waldock, one of the first notes regarding the problem can be traced to 2015 on Mozilla’s own support page. Unfortunately, some Firefox users aren’t getting this option, with the browser capping them at 1080p and in rarer occasions 1440p.

Ultra-high-definition content has been gaining prominence these past couple of years, with Netflix, YouTube and many other video services bolstering their content to include 4K resolution.
