For the past few weeks, I have been fixing problems that I run into while testing some of the new video tools that Michael Dale has been developing for the Wikimedia Foundation. As with any new software, especially Javascript tools, there are plenty of issues and since I can find them, I might as well fix some of them, instead of throwing it all back at Michael. This week I ran into one particular annoying issue. For some reason the menu in the new mwEmbed mediaplayer ( Demo of the player ) was flickering under certain conditions on Safari. I created a video that demonstrates the problem. So I was looking trough the code of the player, trying to come up with a reason on why this would behave like this and why only in Safari. I spent a few hours tracking all the events, assuming that some event (like mouseover) for some reason was incorrectly telling the menu to hide itself. I was validated in this line of thought by observing that manipulating some of the Javascript events of th...