From MCPE-145826:
If you're having Night Vision/Conduit and Darkness effect at the same time / combining them together, it will produce a very glitchy effect and lighting.
Steps to Reproduce
Create a new world with Vanilla Experiments enabled.
Do the following commands.
/effect @s night_vision 100000 0 true
or/effect @s conduit_power 100000 0 true
/effect @s darkness 15 0 true
Observed Result
The darkness effect creates the glitchy effect/lighting while having night vision/conduit effect as well.
Expected Result
The darkness effect shouldn't create the glitchy effect/lighting while having night vision/conduit effect as well.
Original Description:
when you get 2 effects: darkness and night vision then idk just look at the picture...
Attached a test world
[media]demonstrating the issue with optional ways to reproduce.