Here is an example of a Firefox bug report about H.264 color spaces looking different in Firefox compared to another video player. So these are real problems. :

Here is an example of a Firefox bug report about H.264 color spaces looking different in Firefox compared to another video player. So these are real problems. :) https://bugzilla.mozilla.org/show_bug.cgi?id=1237562 https://bugzilla.mozilla.org/show_bug.cgi?id=1237562