# Slimefun 4.0v
\n**Modified Version**
\n
\n
\n<\/p>\n
Slimefun is a plugin which turns your Minecraft server into a **modpack without installing mods**. It adds a huge amount of content including advanced technology, powerful magic, machines, and full automation systems.<\/p>\n
_**This is an unofficial modified version** of the original project, maintained and updated by **R2Ksanu**._<\/p>\n
**>Original Repository**: https:\/\/github.com\/Slimefun\/Slimefun4**<\/p>\n
## —
\n## \ud83d\udcac Join Our Community<\/p>\n
\ud83c\udf1f Need Help? Want Updates? Join Us on Discord! \ud83c\udf1f<\/p>\n
Discord Server<\/p>\n
\ufffd\u2060\ufffd
\n– \ud83d\udd25 Get support
\n– \ud83d\udee0\ufe0f Report bugs & suggest features
\n– \ud83d\udce2 Stay updated with new releases
\n– \ud83e\udd1d Connect with other players & devs<\/p>\n
## Status Update
\n– **Original version**: 1.19.4
\n– **Updated to**: **1.21.11**
\n– **Compatibility**: \u2705 **Working**
\n– **Status**: \ud83e\uddea **Success\u2705**
\n– **Tested on**: Purpur 1.21.11 (Java 21)<\/p>\n
**This build is still under testing and may contain bugs.** Feedback and bug reports are highly appreciated!<\/p>\n
—<\/p>\n
## Future Update
\nUpcoming **Slimefun community addons** will also be updated for **Minecraft 1.21.11** to work together with this main core build.<\/p>\n
The goal is to keep the wider Slimefun addon ecosystem usable on modern **Purpur\/Paper 1.21.11** servers.<\/p>\n
## Updated Addons
\n**Addon Repo**:<\/p>\n
\ud83d\udcdcAddons<\/p>\n
| Addon | Status | Notes |
\n|——-|——–|——-|
\n| Community Addons | \u23f3__ Upcoming | Planned compatibility updates for `1.21.11` |
\n| Main Slimefun Core | \u2705 Updated | Working on `Purpur\/Paper 1.21.11` |<\/p>\n
—<\/p>\n
> **Note**: This is an **unofficial fork**. Always test on a backup server before using on production.<\/p>\n
—<\/p>\n
## Screenshots
\n*(Reused from the original project \u2013 showcasing the power of Slimefun)*<\/p>\n
| Reactors & Electricity | Awesome Factories | Magic & Altars |
\n|————————|——————-|—————-|
\n|  |  |  |<\/p>\n
—<\/p>\n
## \u2728 What is Slimefun?
\nSlimefun adds:<\/p>\n
– **Advanced technology systems**
\n– **Magical items and crafting**
\n– **Machines and automation**
\n– **Over 500 custom items**<\/p>\n
The original project started in **2013** and has grown into a large community project with hundreds of contributors.<\/p>\n
**This unofficial version keeps the spirit alive** while bringing full support for the latest Minecraft 1.21.11!<\/p>\n
—<\/p>\n
## \ud83e\udded Quick Navigation
\n– **[\ud83d\uddbc\ufe0f Screenshots](#framed_picture-screenshots)**
\n– **\ud83d\udc1e Bug Reports & Feedback**
\n– **\ud83d\udcd6 Original Wiki**
\n– **\u2764\ufe0f Original Project**<\/p>\n
—<\/p>\n
## \u26a0\ufe0f Important Disclaimer
\n**This is an unofficial fork and is not affiliated with the original Slimefun developers or team.**<\/p>\n
– All credits go to the original **Slimefun Team**.
\n– This project follows the **GNU GPLv3 License**.
\n– You are allowed to modify and share it, **but you must give proper credit** and keep the same license.<\/p>\n
**Original Project**
\nCreator & Builder: **TheBusyBiscuit** <\/p>\n
<\/p>\n
**TheBusyBiscuit** \u00b7 he\/him
\nOriginal Project Team: **Slimefun Team**
\nRepository: https:\/\/github.com\/Slimefun\/Slimefun4<\/p>\n
—<\/p>\n
## \ud83e\udd1d\ud83c\udffb Credits
\n– **Original Project Creator**: **TheBusyBiscuit**
\n– **Original Project Team**: Slimefun Team
\n– **Modified & Updated by**: **R2Ksanu**
\n– **Screenshots**: Courtesy of the original Slimefun community<\/p>\n
—<\/p>\n
## \ud83d\udcc4 License
\nThis project follows the **GNU GPLv3 License**.
\nSee [LICENSE](LICENSE) for details.<\/p>\n
—<\/p>\n
**Thank you for using Slimefun 4.0v-UNOFFICIAL!**
\nEnjoy your modpack-like experience on the latest Minecraft version! :tada:<\/p>\n
*Made with \u2764\ufe0f for the Minecraft community*<\/p>\n","protected":false},"excerpt":{"rendered":"
Custom unofficial Slimefun core build for Paper\/Purpur 1.21.11 with Java 21 support, compatibility fixes, modern startup support, and stable loading for updated SF4 addons.<\/p>\n","protected":false},"featured_media":143247,"template":"","meta":{"_minecraft_slug":"slimefuncore","_minecraft_project_id":"Fz9hstnG","_minecraft_author":"rutwok-labs","_minecraft_license":"GPL-3.0-only","_minecraft_downloads":193,"_minecraft_follows":1,"_minecraft_client_side":"unsupported","_minecraft_server_side":"required","_minecraft_storage_type":"zip","_minecraft_archive_name":"slimefuncore.zip","_minecraft_size_bytes":55741044,"_minecraft_version_count":5,"_minecraft_updated_at":"2026-05-16T12:27:43.878763Z","_minecraft_date_created":"2026-04-16T04:04:25.447192Z","_minecraft_date_modified":"2026-05-08T11:43:18.468451Z","_minecraft_project_url":"https:\/\/modrinth.com\/mod\/slimefuncore","_minecraft_icon_attachment_id":143247,"_minecraft_imported_at":"2026-06-08T12:50:35+00:00","_minecraft_import_hash":"d0f42e9470da0f368371f334b263928e","_minecraft_versions":"","_minecraft_links":"","_minecraft_gallery":"","_minecraft_api_metadata":""},"mod_category":[87,124,156,88,89,122,126,127,128,129,123,92,159],"mod_loader":[130,132,133,134],"minecraft_version":[41],"class_list":["post-143246","mod","type-mod","status-publish","has-post-thumbnail","hentry","mod_category-adventure","mod_category-bukkit","mod_category-decoration","mod_category-equipment","mod_category-game-mechanics","mod_category-magic","mod_category-management","mod_category-paper","mod_category-purpur","mod_category-spigot","mod_category-technology","mod_category-utility","mod_category-worldgen","mod_loader-bukkit","mod_loader-paper","mod_loader-purpur","mod_loader-spigot","minecraft_version-1-21-11"],"yoast_head":"\n