NTFS-3g is pretty good and support on Linux is definitely a lot better than it used to be. Still, official (or officially supported/documented) support would be really nice.

Honestly I hope even Windows abandons NTFS soon. It's the worst part of using Windows. e.g. Try and develop any Node project on Windows and it's painful - takes literally minutes to delete the node_modules folder whereas on Linux/Mac it takes seconds. It only recently got long pathname support (260+ chars long)...