Starting with v1.2.1 currently under development, subversion is replaced by the more modern git source control tool.
It’s also the opportunity to split the source code into two distinct repositories for the user interface and mdx, since they can be worked on independently. A third repository should follow for the documentation.
The subversion repository at SourceForge.Net is still accessible, but from now on it will probably see commits only on releases.
The github service also has an issue tracker, a wiki and other things that might get used over time, we’ll see.