Something that was said in one of the 205 feedback threads prompted me to say this, and it's something that's been discussed before.
Carapace is something that makes the game a little boring when you look at your upgrade choice as aliens. Armor is so ungodly good in this game that you'd be stupid not to get Carapace first every single game. Even the 20 extra armor for a skulk is gonna yield 40% more survivability against 0/0 LMG (10 bullets up to 14 bullets). That is SO huge. The importance for higher lifeforms is even greater.
Am I the only one who'd like to see carapace removed and implemented back into the game in some other form? I think chamber upgrades should be playstyle modifiers, not static survivability upgrades. No other chamber upgrade in the game currently works like carapace (a static survivability increase). It's no wonder it's just a no brainer staple opener in like 90%+ serious games. The only reason you wouldn't get it is if you think your strategy/team was competent enough to have a second hive up/going up around the time fades start appearing. Crag hive is just too dominating, umbra/crags are also by far the best support structure.it takes away a lot of freedom strategy/choice wise for early game aliens.
Suggestion: Remove Carapace from the Crag chamber upgrades, make it a researchable upgrade from the hive perhaps. Or just straight up get rid of it. Or increase alien armor for the # of hives you have (that may not be a very elegant solution)? You would also have to come up with something new to replace the upgrade on the crag chamber.
I think I also read somewhere that Carapace was going to slow down your movement speed. I really don't like mechanics like that, if an upgrade is too powerful you should adjust it, not tack on impairing (and un-fun) disadvantages. You don't see anything like that in SC2 (aside from marine stim I guess).