PaperMC / PaperMC/Velocity

add Support for 1.12.2 modern forwarding

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#1,713 1 comment 2 reactions 0 assignees View on GitHub

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resolution: won't fix type: feature
Dominant language
Java
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Forks
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Avg merge
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Merged PRs (30d)
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Description

Requested Feature

add support for 1.7.2 to 1.12.2 modern forwarding with PCF

Why is this needed?

to allow the server to use a more secure modern forwarding from 1.7.2 to 1.12.2

Alternative Solutions

Ive had to compile custom code to allow the client from 1.7.2 to 1.12.2 to be able to use modern forwarding by setting locks of 1.13 to 1.7.2

https://github.com/p0t4t0sandwich/Velocity/tree/feat/modern-forwarding-legacy
edited this with more things changed

Additional Information

No response

Contributor guide

Open the contributing guide

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 reviewing the linked feat/modern-forwarding-legacy branch and the Proxy-Compatible-Forge project to understand the proposed compatibility approach. Trace how Velocity handles modern forwarding for the affected protocol versions, then verify the result with 1.7.2–1.12.2 clients and servers. Done means those versions can use secure modern forwarding without custom patches.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
backend, networking
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
35/100

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