Entities seem to render invisible behind semi-transparent textures such as stained glass or water when looked at from certain angles.

Steps to Reproduce for armour stand behind water:

1. Set the Graphics to Fast or Fancy.
2. Dig or make a any size area, 2 deep.
3. Fill in the hole with water sources.
4. Place an armour stand anywhere in the water.

What I expected to happen
The entity is visible wherever you look at it from

What happened
The entity became invisible when I looked at it from certain angles.