Minecraft :: How to Upgrade Java Worlds to 1.18 Without Generating New Caves

Minecraft :: How to Upgrade Java Worlds to 1.18 Without Generating New Caves

Channel:
Antarctica sudomelon
Subscribers:
1,370
Published on ● Video Link: https://www.youtube.com/watch?v=wDrbfjUgEVE


Minecraft
Game:
Minecraft (2011)
Category:
Guide
Duration: 10:32
1,120 views
27

I've been experimenting with new map formats lately, and I proudly present two ways to upgrade your world to 1.18 without new caves appearing under existing chunks! I use the Windows operating system in the video, but the process should be similar for Mac OS and Linux.


Download MCA Selector (version 1.17.1): https://github.com/Querz/mcaselector
Original Reddit post: https://www.reddit.com/r/technicalminecraft/comments/r3idv1/guide_upgrade_your_world_to_118_without/


Timestamps:
- 00:00 Introduction
- 00:43 Installing MCA Selector
- 01:13 Exporting Chunk Selection

After exporting your chunk selection, choose either Method 1 or Method 2 to continue.
- Method 1 is the easier way to preserve your old chunks, but you will not be able to access the empty space under y = 0.
- Method 2 is more complicated as it involves manually loading your chunks in snapshot 21w43a. Be prepared to spend hours flying around in your world with Elytra just to get to every single chunk!

- 02:11 Method 1 (Air)
- 04:00 Method 2 (Deepslate)


Music (listed in order of first appearance):
Aria Math - C418
Comforting Memories - Kumi Tanioka


If the video helped you, feel free to leave a like and subscribe!
I post vanilla gameplay videos of Minecraft and Stardew Valley without commentary, and occasionally make guides on anything interesting that I find!
If you have any questions, please leave a comment!



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Tags:
minecraft
update 1.18
caves
caves and cliffs
update
cave update
new
world
caves & cliffs
part ii
part 2
caves & cliffs part ii
1.18
deepslate
bedrock
chunk
chunks
generation
disable
new caves
air
old chunks
mca selector
survival
vanilla


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At present, sudomelon has 66,645 views spread across 1,656 videos for Minecraft, accounting for over 30 days of watchable video on his channel. This is 67.20% of the total watchable video for Minecraft on sudomelon's YouTube channel.