When Standing under a water dripping block will shade it to look like your under water.
To reproduce
1. Stand under a block dripping water
Linked issues
duplicates 1
Attachments
Comments 3
Can confirm, standing right under dripping water makes view appear underwater (blue tint and lower fov). Same for lava (intense red "fog").
Duplicate of MC-47520 - If you have not, please use the search function in the future, to see if your bug has already been submitted. If you could not find the original report, please comment with the keywords you searched for.