Affects Version/s: Minecraft 18w50a
Fix Version/s: None
Environment:Windows 10 Home
Java version 8 update 191
Taming a horse completes the "A Complete Catalogue" challenge.
What I expected to happen was...:
I would tame a horse and make only the advancement "Best Friends Forever".
What actually happened was...:
I tamed a horse and completed the "A Complete Catalogue" challenge in addition to the advancement "Best Friends Forever".
Steps to Reproduce:
1. Tame a horse in a new world.
2. Receive notification of advancement "Best Friends Forever" and challenge "A Complete Catalogue" simultaneously.