Most (splash) potions, and all potion arrows, have turned black.
Only the tier II potions still have their appropriate colour.
E.g. Speed II, Jump Boost II, Strength II, etc.

Sorry for the double, I couldn´t find that other one anywhere.
What I expected to happen was...:
Describe what you thought should happen here

What actually happened was...:
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Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...