The bug
The charged / powered outline of a creeper makes clouds, entities and water invisible
1.16.5:
[media]21w10a:
[media]Here another image showcasing wrong rendering of entities and water
[media]How to reproduce
Summon a charged creeper with /summon minecraft:creeper ~ ~ ~ {powered:1,NoAI:1}
Spawn entities & Place water
Look at the entities behind the charged creeper
❌ The entities(spawned after the creeper), water and clouds are invisible once behind
Linked issues
Attachments
Comments

Isn't this just MC-187914?
Video attached.
Can confirm. It makes lots of things invisible: Beacon beams, water and even its own burning animation. I am pretty sure that it didn’t happen before that snapshot.