First one is an air combat. Wiki says that you guys have nerfed said fights but I couldn't find exactly how you did it beyond making new fliers appear more organically.
Have you changed any weapons or moduls beyond F.A.R. one? For example Oracle and all of air options of Anu suck. Also have you changed flying enemies themselves?

Talking about Anu, I think that they're still very poorly balanced. They have the best specialist class (priest) and acces to very interesting combinations of tech and skills. Their ground game is awesome, probably the best out there, compared to vanilla they've got much more love. Mutations are on par with cybernetics now, mainly because they've got slightly better but cost the same. My problem lies in their air game, mutogs and vehicles in general.

I'll start with mutogs. Every transport was reworked except mutogs, which were weaker than other transport even in vanilla. Now they're more usable but very niche (lairs, defense and being a worm eater), because other transport got nerfed. On average transport got less ammo, some of their guns became worse and almost all of modules are worse than vanilla as well. So they were pretty weak in vanilla but now they're weaker but cost the same and delivering them to battle is harder now. On a bright side they're more useful because of more frequent ambushes, and mutogs are more appealing to use.

And now my biggest problem is tiamat and everytihng that is connected to it. Only differnce between TftV and vanilla aircraft is that non Anu ones have less seats without an upgrade. Everything costs the same except now you need to buy a half of mantiocre to use said aircatfts as troops carriers, so it makes tiamat cheaper and faster to produce than other aircafts. But it's speed still makes it only usable for non time sensetive missions and probably for lairs (now pandorans generate points from their lairs, and tiamat might land on it when at morning, while other vehicles can do it before morning). Only way to negate this problem is somehow getting a NJ Cruise Control to make tiamat a slighlty slower Thunderbird.

Also unlike other factions Anu suck at air combat, at least when they can get there in time before pandorian flier flys away. NJ are superior in that regard because of their weaponry and armor, Synedrion have highest ranges for their weapons and emp, plus good evading tech and speed. But Anu don't have much of armor, their range sucks, accuracy sucks, no shred/ignore and their only bio weapon doesn't stack. Also Oracle module is completely useless.

Because of these factors there's no reason to have more than 1-2 tiamat teams to only deal with missions and arguably with lairs/infected havens.