I'm on a roll... bugs just keep hunting me today!
Well, click "share" and see for yourself:
The textbox with the share link we all used to know and copy is now missing and the poor "close" which is referring to the share popup is left without background and clicking it does nothing.
Browser: Chrome 30, stable build. Happens only here on Meta right now.
Note: the share links themselves (Google+, Facebook etc) are working, I'm referring to the functionality of the "share" itself, where we used to have textbox with the link selected by default: