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MC-140314

Gravel and Ravines disappear when updating a world

I updated my world from 1.13.2, to versions 18w48a/b. I noticed some of my roads (made of gravel and dirt path) disappeared and were replaces with grass. Another thing that disappeared were some ravines. To reproduce this, get a world with a lot of roads and villages in 1.13.2, then update the world to those snapshots (BACK UP THE 1.13.2 VERSION!!!), then observe where the roads/ravines disappear. 

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Hi,

Unfortunately, I do not have a crash report since there was no crash. However I can show a before and an after.

 

 

The picture on the right has a bridge over the ravine, with a dirt path on the left. That is in 1.13.2.

The picture on the left has the ravine missing, also notice the dirt path on the left is also missing (just the wood stairs remaining). This picture was taken in 18w48a.

 

Can you upload the world? Sounds like some chunks got corrupted and generated again

I am not sure how to upload a world here, but find a world with a lot of surface ravines and roads on 1.13.2, then update it to the current snapshot version. Apparently 14w48b is affected as well. 

 

Also, if the chunk regenerated, do you know how did the bridge remain in the picture?

@@unknown, you can zip the contents of the world folder and then attach the zip file here. And provide the coordinates please.

think I found a way to resolve this. I noticed the affected areas are those that were last visited in 1.12. And when I loaded then in 1.13.2 THEN a 1.14 snapshot, then the glitch doesn't happen.

Please check if that's still an issue in the latest 1.14 development snapshot.

Ek Akxeona

(Unassigned)

Unconfirmed

(Unassigned)

Minecraft 18w48a, Minecraft 18w48b

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