Also present on the iOS version. All caves connected to the surface are fully flooded. Caves that are filled with air have no connection to the surface.
I have been unable to find any cave entrances on the surface that are not fully flooded, which makes experimental caves and cliffs worlds almost unplayable in survival.
I'm heartbroken to discover that the shattered savanna grass having the lush vibrant color is a "bug." The shattered savanna looks ugly and boring now! Please change it back, I used to love shattered savanna and now it looks so awful.