Popup isn't

A while back, prior to installation of 6.x-2.0-alpha3, we put images on a number of pages, often as thumbnails and specified that a larger image would show up as a popup. This worked fine. Then, on 9 March, we installed alpha3. Prior to today, we didn't create any new pages with images or test existing pages with images for their popup behavior, but today we created a new page with a thumbnail which was supposed to popup. However, clicking on it acts instead as a link to the image, i.e., the image replaces the current page in the browser as if one was going to a new page. This turns out to also be true of all previously created pages with images and is consistent across multiple sites on the same code base and on FireFox 3.0.7 and IE7.

We liked the popup ... please bring it back.

See http://www.reviewsbytdev.com/content/ruthless-masquers for an example.