Flooded ravines generate with 1-wide, deep holes along x/z axes

Flooded ravine generation is causing 1-wide, deep holes along the X and Z axes. Possibly related to MC-125033. These don't generate in 1.16.5. There are no datapacks installed.

Seed: 7913388302499728605
/execute in minecraft:overworld run tp @s 908.86 27.88 18578.93 2.29 15.86
/execute in minecraft:overworld run tp @s 1375.47 28.13 18531.70 -6.63 8.23
/execute in minecraft:overworld run tp @s -565.55 39.73 18764.46 95.37 -0.06