Part of the reason was 1.8 Forge made it so most mods had to be re-written iirc. Also, Thaumcraft updated past 1.7 (Unfinished as Azanor left modding, but that'

Part of the reason was 1.8 Forge made it so most mods had to be re-written iirc. Also, Thaumcraft updated past 1.7 (Unfinished as Azanor left modding, but that's besides the point)