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+++ b/README.md
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+> [!CAUTION]
+> **This branch will be deleted soon, please replace usage of it with the new `main` branch**.
+>
+> If you need history from before 1.21.4, please use the archive repo: https://github.com/PaperMC/Paper-archive
+
 Paper [![Paper Build Status](https://img.shields.io/github/actions/workflow/status/PaperMC/Paper/build.yml?branch=master)](https://github.com/PaperMC/Paper/actions)
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