Changes from 0.8.0:
- Numerous optimizations, at the cost of a larger than normal number of breaking changes (see release notes for a full list, and here for some upgrade tips)
- Improvements to the control systems
- Shorthand for defining getter/setters as part of components
- Allow freezing/unfreezing entities (temporarily remove them from rendering/collision/motion systems.)
Here's the full release notes, and preview documentation is available.