Glow squids and axolotls in rivers and oceans

What I expected to happen was...:
In changelog was written that glow squids and axolotls can spawn in caves.

What actually happened was...:
I found glow squids and axolotl in cold river and deep ocean.

Reproduce

Seed: -5120667855427949116
Coordinates: /tp @s -142 60 64 (might need to wait a while for one to spawn)