[warning, the followong text is heavily opinion based, do not read if you are retarded or an idiot]
4.0 was pretty much perfect, then 4.1 changed everything. The new research minigame is just terrible, the first 3 researches are ectremely difficult to solve, but once you have the research mastery it's way too easy, being able to choose what research you get makes this even worse, if you have already scanned enough things, you can get every research in less than 20minutes (yes, I tested that)! The problem with that is that research was the only thing that could balance thaumcraft, now it's horribly oped with basically no research that prevents you from getting all the awesome advanced stuff that thaumcraft adds, like tc1&2.I don't think research should be completely random, but more random than that, maybe so you can choose wether you get something from alchemy, artifice, thaumotorgy or ... . Also the old research minigame was fun every time having to connect the runes that sometimes got deactivated, so you had to use another research point, the new one gets just boring after the 3rd research. I don't think the essentia tubes were oped at all, they worked exactly like all the other pipes from all the other mods, the new pipes are just annoying, there are really only two options, manually refilling all the jars or using golems, I never actually used golems so much in 1.6, because hecates, there's no real way of protecting the golems from them, the only way to do so, would be having the infusion altar in a closed room, but then you always get flux stuck at the ceiling, so that's no option. The only thing I can say about tc4.1 is I hate it, I really fucking hate it. Atm I'm waiting for 4.2, hopefully it gets at least a new minigame, maybe it gets even balanced better.
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