Fixed sound for Gradius, Salamander, and Mario Bros. BGFX Renderer get fully implemented and become the mainline. More complete Lua-scripting A complete overhaul of the MAME documentation.
I think that's really about it. I think BGFX has a real shot at happening, but the rest of that.. well, we'll see. As for the documentation, it'd take a real lunatic to take on that kind of job...