I released version 0.4.1 today. It comes as non-sdk-release, which means that there are no examples, media, tools and tutorials in it. And there are no very big changes, just some little new features and lot of bug fixes. Here is a short overview:
For detailed descriptions, take a look at changes.txt. You can find a link to the release in the download section. I also updated the author page with a new credit, and added a new screenshot showing new gui elements in action.