geezus krist, Damion Rayne? I remember good ol' days when you were an community manager. And also you're apparently in the Angry Army now. A blast from the past heh. For everybody who doesn't know, he resigned as an community manager ages ago.
1. The first rule of .24 is don't talk about .24. 2. Don't kill Kerbs on purpose. 3. Try to be realistic 4. Only stock alike mods are alowed. 5. Jeb is always right. 6. If Jeb is not right, rule 5 applies.
I get some weird crashes trying to attach anything really to the cargo bay or wings. https://www.dropbox.com/s/goni57dmvrr458x/2014-07-13_135156.zip Edit: Seems to be caused by using 64-bit KSP.
I was bored and ejected a Kerbal at an Laythe intercepion trajectory from somewhere in between Duna and Dres. He landed using a parachute from Vanguard Technologies. So a few ten million of KM.
What? Anyway, most mods will break. And Career saves will probably be compatibile. I don't know. There is no definitive answer coming from somebody else than devs. It's pure speculation. We don't have enought data.