This one works fine in other crafting tables. That's why I'm reporting here and not on everlasting abilities. From what I've heard 3 ability bottles are supposed to combine into one random one.

https://gfycat.com/FlamboyantLikableBronco
Have not tested Singleplayer
FastWorkbench-1.14.4-2.1.4
Forge. 28.1.87
Pack: Enigmatica 4

Can't reproduce that either, might be related to whatever is breaking stuff in #30

kk gonna try and figure out what might be causing it then :/

Appears to be caused by CraftTweaker.