Dea Dia's framework for gas giants.
Lua libraries for use by other mods and submods that are parts of a larger mod.
New places to build more factories.
Map generation and terrain modification.
New Ores and resources as well as machines.
Changelog for 0.11.0 says a collision layer was removed, but it looks like the mod still reports 3 collision layers.
Nice catch I'm still registering it, even if it is not used anywhere in the code anymore. I have a rough idea for what the next patch will be, if that happens soon-ish then it will roll out with that.