PaperMC / PaperMC/Paper

--forceUpgrade removed/not implemented in 26.1

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status: needs triage
Dominant language
Java
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Description

Is your feature request related to a problem?

I know chunks are updated on load. But I need to convert 1.14/1.17 worlds to .slime format with AdvancedSlimePaper on 26.1.2, and ASP reads from disk, discarding old chunks. Without forceUpgrade (not implemented in 26.1) and without saving the world, how do I get the updated chunks to disk? i make custom fork plugin from originale source code of Slime-World-Manager native 26.1.2 this is why i need this features if is possible

Describe the solution you'd like.

a input for start bat who convert and upgrade old block from 1.14 to 26.1.2

Describe alternatives you've considered.

--force-upgrade --erase-cache nogui

Other

No response

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the 1.14/1.17 world conversion with AdvancedSlimePaper on 26.1.2, using the proposed --force-upgrade and --erase-cache flags. Review the server's world-loading and chunk-saving entry points to determine where the missing conversion behavior belongs; done means an old world can be converted to .slime with upgraded chunks written to disk without a normal world save.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
backend, cli
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
25/100

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