The first release of the 2.5x series is expected to be available in october 2009
This is what you can see at the bottom of the Blender Siggraph 2009 Flyer which you can download on Blender.org here : http://download.blender.org/institute/25_flyer5.pdf
So now we get official annoucement for the following features :
- Still free (no kidding :p)
- New Animation system
- New interface
- Macros, History and Search feature
- New Python Scripting API
- Custom Key Binding (let you make your own shortcut … swweeeeeeeetttt)
The entire Blender Siggraph Press Kit can be found here











