I just updated to Google Chrome 30, a little behind the curve, and it killed support of some experimental CSS features that I need to use, primarily CSS-Regions and Shapes. (iOS 7 Safari support say whaaaaa!)
When I first enabled these features a few months ago, I did so by opening the following url:
Well, harumph, upgrading to 29, and then 30, killed the enabled functionality. So… to get it back, I had to do the following:
Click enable, relaunch, and bob’s your uncle. Now you can test CSS Regions with Shapes support on Chrome, among a multitude of other awesome things.
(Adobe’s instructions for enabling chrome features still references webkit instead of web-platform flag)