Here's whatsnew:

* Fix border colour in RG6, CSS=0.
* Input abstraction layer.
* NDS: Render video as 4 x 3 grid of 4-bit colour sprites.
* NDS: Use NDS VCOUNT writability to lock display to 50Hz when appropriate.
* NDS: Major UI improvements.
* NDS: Sound support.
* GP32: Fix chatboard support with new state-machine based scanner.
* Trace mode fixes (SYNC, CWAI).
* Support changing of SAM RAM configuration.
* More accurate single-bit sound.
* Variable MPU rate support configurable.

Get it here:
http://www.6809.org.uk/dragon/xroar.shtml#download

-Trebor