ok, I found some release notes after installing the alpha version (happy to see cg shader support and optimizations):
Version: v1.5 - Aug 20, 2007
- new dedicated AI library
- new script classes provide steering & other low-level behaviors
- Cg support
- much optimizations
- terrain / road performance improvements
- fixes for road lighting (road pieces are broken into multiple sub-objects now
instead of being a single mesh)
- many, many other bug fixes
- object depth fading for LOD
