Windows users, a port is in progress. MacOS 8.1 - previous versions might work but haven't been tested. I think it's stable, but, it's possible that it's Macsbugs compliant. For more information, see the QuickTime Image File Format Specification, which describes the import formats. Movies can be regular movies, QTVR panos, images, animated images, or QuickDraw 3d models.
Movies can play.
QTVR panos now work. Images are static. Animated images can be played. QuickDraw 3d models are static. Note that you might have to wait a while to read in a QuickDraw 3d model.