I tried the beta version, but it doesn't work out of the box. Some new code is conflicting with Prototype.js because Prototype.js is overwriting standard JavaScript types, such as Array. I managed to fix this and run our automated tests. I got some failures, most of which needed only test code updates, but some were real problems. Precisely, the floatingImage test is concerning because images at the end of a print page are cut, and the surrounding text is partially lost. This seems to match:
