That can be fixed with some minor coding if you know how but it could be a bug otherwise it is because optifine was not in this modpack originally. Hope this helped
I killed the spider boss and I got a spider hook I've noticed sometimes it wont hook onto things does anybody know is it just certain blocks or a glitch HELP!!!!!
I've just been wandering around my world and in many different biomes (especially jungles) i have found a strange black mist it doesn't break and it is not a portal what is this thing HELP.