First class windows support.
First class windows support.
We've also built File Locking in specific to make it working with big assets a bit safer.
Windows support in Git can definitely be improved, though luckily there are many great Git clients available nowadays.
In regards to Git vs HG. We see that most of the users take advantage of plugin system that Mercurial has, eg Facebook with their plugins for handling huge monorepos.
It also adds some advanced workflows, eg doing a code-review using phases and secret commits makes it much more pleasant to work compared to Git.
FileLocking is quite easy with Mercurial actually. We're working on some other approach on this actually and want to work on a better system that emulates what SVN/Perforce have and bring it to Git and Mercurial with RhodeCode as the tool to have at least basic file permissions.