Wow, thanks for all the work you put into this game guys, you really did a wonderful job. No one can ask for more.
I just have one question. I'm a bit confused about why you pushed to Live from public test if you believe the Engineer Core needed some major overhauls. Are you just thinking on whether or not you wish to include that core in the game at all, or is it just that you want make minor changes to it before you finally reinstate it into the build? I'll be relieved if it's the latter cause I really like the Engineer core, both using it and playing against it.
If the problem is that Legions doesn't feel so fluid with Engineer Core, maybe you could make it an option for people creating servers just like how they got the other options to change the map, game mode etc. Heck, maybe an option to exclude certain cores, weapons or even classes when they create their own games without having to mod the server.