Now available: ownCloud Infinite Scale 1.4! The fifth Tech Preview release uses way less memory - actually up to 24 times less. It now also allows the setting of user storage quotas. And it can generate thumbnails for GIFs and even those JPEGs with that extra e.
On the frontend, ownCloud Infinite Scale 1.4 ships with ownCloud Web 2.1.0, which brings accessibility improvements for WCAG 2.1 compliance and some bug fixes.