This release is mostly about fixes and some polishing here and there. Since the first release I have tweaked a lot of things so I've lost track to make any changelog, but since there's no such thing as a new feature or anything like that I guess it's okay.
In addition to this, I have also made an Add-on that serves as a skin for the Doomguy in the main campaing, which makes him wear a helmet. He arrives at Mars City full equipped and remains like that during the entire game (except in the final cinematic, which is a video file). I made this as an Add-on because I make stuff using Arl's Improvements as a base, it also needs the Alpha Shotgun mod.
So I guess that's pretty much all for now, don't hesitate in pointing me out any bugs or problems you may find, hope you enjoy.