Vehicles spawn the way they do for a reason. As it was before, someone could get a veihcle, go use it blow it up, repsawn and get anotehr, one afte the other endlessly the entire map. Tribes was never about vehicles, BUT they wanted vehicles to provide and advantage without the game becomming dependant on them [like t2]. This way, vehicles are powerful, provide an advantage, but you have to use them well and cant just waste them. I find this to be really well balanced. I dont imagine you would enjoy having someone non stop getting assult ships and bombing your base on winterlake.
Plasma always had a very limited range. The burner is no differnt, its range is even less, but i mean, the projectile goes so slow i dont see why you would need it to shoot far otehr than for spam.
Gameplay bugs...its beta what more can be said? Even still its less buggy now than T2 was at release.
Heavy armors were always fast, infact they could ski faster than lights in tribes 1. They are more agile and have more energy now, but, they are also alot weaker, 4 discs kill a heavy, headshot takes them to half, and they only have 3 weapon slots now aswell.
The repair kits, i really dont know what to say. Personaly i agree, i liked them and would like to see them added, but i dont consider them that big of a gameplay aspect really.
The inventory system is fine. You can change your loadouts and loadout names in game btw, just enter the inv normaly and you can change your loadouts and loadout names. If you want to adust your CURRENT LOADOUT, and not your favorites, picka favorite then click on your current loadout and switch what you want, or just make more favorites [wich is alot easyer]. Entering the inv and using thier new system of fast favorites isnt all that bad, i hated it at first and now i think its good.