If I respawn at a world spawn that is in the ocean, my player is spawned on the ocean floor, whilst the death list is spawned at the liquid surface. This could be resolved by reverting the changes made in this commit here: b6aab7e#diff-369abd8355fefdc4b6fa90d6255f8dbfL161.

Mod version: 1.12-4.0.2
Forge version: 1.12.2-14.23.2.2623