Just updated to the latest tests-passed version but have a problem with Youtube embeds.
They all appear as if they are a fraction of the size they should be. The physical size of the post looks okay, but it is as if half (or more) of the video is missing:
When you click play the video loads but remains in a small window:
It doesn’t seem to be a problem here on Meta though! Have tried with the default stylesheet, multiple browsers (IE and Chrome) and same issue. Can’t think of anything else in our settings that could cause this? Video appears fine in the Preview window, only once the post is submitted does it appear this size.