So, started testing on Expert mode, off to a decent start.
Not much of note just yet, except for the part where the game decided "Hey, you like HideBots? I sure like HideBots. HIDEBOTS FOR EVERYONE!!!" and spawned about 20 zillion of them. Because my damn sniper had exactly TEN less attack power than necessary to pop them in one shot, I nearly ran out of ammo (because they need to be hit with heavy weapons in order to destroy them before they can fire). StealthBots and ThiefBots were not really helping the situation much. And a couple of HunterBots, because why not. This was in a Destruction mission, too, and STILL nearly ran out of ammo. Alot of tension in that mission, that's for sure.
The enemy selection overall in these first few missions has been more interesting than before. I had one that was tons of Eagles and BodyBots in thin corridors, with Tanks and StealthBots added in too. As opposed to it just spamming buff bots like it used to.
I'll post more as I go along.
EDIT:
Okay, so, a bit more testing done, one thing that could be fixed up a bit is varying the bot choices a bit more for basic missions; I lost count of how many HideBots I had to shoot. And BodyBots kept being chosen as the special ones. Had to do some funky stuff to kill those. Cant knock out something with 70000 HP when I can hit for about 1000, max. Devious things, those are. StealthBots too, it likes those. At least it didn't choose to spam a zillion Masterminds or something this time. For some bots the HP values may yet need more tweaking.... if you're not using both of the constant high damage exos, the sniper and brawler, it's tough to do enough damage to bring everything down, as the others cant hit very hard early on. But it's alot more viable now than it was before. And it also chose HunterBots a couple of times WITHOUT spawning like, 40 of them. That's good to see, as previously it'd always spawn tons of them, now it's more like 4 or 5, so that works out very well with their high HP values. That aspect overall is already much better.
Also, the hostage missions, those get a little weird. Too based on luck, but not just that, the AI now seems to get all wonky in those, and will hop back and forth as it tries to decide what to do. I coulda sworn it wasnt doing that before.
Not all that far in yet, but that's some basic feedback to start with. Quite enjoying it, too.
Also, Ammobots, are those supposed to have like 1000 health early on? I coulda sworn that these guys used to be low-HP enemies.... but they started out high, and are now just over 1000. Like 1200 I think? I coulda sworn that previously they pretty much were always on the very low end.
Also one thing that does occur to me is that the BodyBots could lead to the player getting stuck; if they dont manage to get something right next to those, yet end up with everything else destroyed, there's no way to finish them off. I had that almost happen at one point, with one of those that went nuts, fired all it's ammo at something, and then was powered down in a spot where I couldnt get anything over to stand next to it. It ended up working out by sheer absurd chance because an Ammobot and a Hidebot both waddled over there to shoot at it, so it was a Hidebot with infinite ammo. This took awhile though, and for the rest of the mission it was "Here, have some more of this" or whatever the line was every single turn. Gotta be the most silly way I've yet seen of any bot being defeated yet.