The version 0.9.6 of the Windows SDK has been released and is already available in the Downloads section.
Version 0.9.5 had been tagged and the branch v0-9-6 was merged into master. This version includes major refactoring and enhancements to the way Ethanon manages the main loop and the scene rendering pipeline.
Many of the changes made, headed towards the improvement of the engine’s cross-platform characteristics that allowed the Mac OS X port (it will be released pretty soon!). More details can found in the change-log.