You cannot make Weakness Potion in 15w42a.
Note : I can't find this issue in search option. 😛
Environment
OS : Windows 8.1 Pro
CPU : Pentium(R) Dual-Core CPU E5400 @ 2.70GHz
RAM : 2 GB DDR2
Java : JDK 1.8.0 Update 25 x64 (Used for modding)
Graphic Card : NVIDIA GeForce 9500 GT
OpenGL Version : 3.3
Linked issues
duplicates 1
Attachments
Comments 2
Not intended. Dupe of MC-83658
Works as Intented. Some of weakness recipies has been removed. Not sure in which version tho.