[MC-126133] Undercover ravines sometimes generate cut off at chunk borders

Seed: 3854556177424684123
Coordinates: -90 30 624

See attached screenshots.

Another one: Seed: 6681878277208838608 /tp @p -1189.5 67.0 3950.5

Related issues

migrated 2018-02-22T21:32:06Z

[media][media][media][media][media]

[Mod] Neko 2018-06-24T02:29:09Z

No longer occurs at both locations.

[Mod] Neko 2018-10-26T00:25:02Z

18w43b:
Seed: -5863895513777108296

/execute in minecraft:overworld run tp @s 187.55 38.09 -92.98 -30.50 47.99

iFuzion77 2018-10-26T17:49:29Z

this also affects 18w43c

migrated 2018-10-26T20:10:16Z

Can confirm this is happening in 18w43c. Screenshots below show this bug.

[media][media]

migrated 2018-10-26T21:26:15Z

Can confirm in 18w43c. Seed: -8300275442758179407

[media]

Avoma 2020-12-11T19:33:14Z

Can confirm in 20w49a.

Avoma 2021-01-13T13:42:22Z

Can confirm in 20w51a.

Avoma 2021-01-21T12:37:19Z

Can confirm in 21w03a.

Avoma 2021-02-04T17:28:09Z

Can confirm in 21w05a.

migrated 2021-02-18T17:02:40Z

~~This ticket should be closed because underwater ravines are removed in 21w06a.~~ They reimplemented underwater ravines in 21w15a.

migrated 2021-06-10T22:15:26Z

I am unable to reproduce this issue in 1.17.