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# SlimefunCore 4.0 — Minecraft 26.x Release 🚀 ## What's New ### 🎮 Minecraft 26.x Support SlimefunCore now **exclusively targets Minecraft 26.x** — the new generation of Minecraft using the modern `year.drop.hotfix` versioning scheme. - ✅ **Minecraft 26.1** (March 2026) - ✅ **Minecraft 26.1.1 / 26.1.2** (April 2026 hotfix) - ✅ **Minecraft 26.2 "Chaos Cubed"** (June 2026 — current stable) - ✅ **Future-proof** — automatically compatible with 26.3+ and beyond via open-ended version matching > **Note:** Minecraft 1.21.x support has been fully dropped. This is a clean replacement, not multi-version. --- ### 🗄️ New Storage & Database System A completely redesigned storage backend that replaces the legacy flat-file system: - **Modern database architecture** — scalable and reliable data persistence - **Multi-backend support** — flexible storage options for servers of all sizes - **Improved data integrity** — safer block data, player profile, and inventory handling - **Seamless migration** — existing world data is automatically converted on first load #### New Storage Commands (`/sf storage`) Administer and monitor the database directly in-game: - `/sf storage info` — View current provider, connection status, ping, and connection pool size - `/sf storage stats` — View cache statistics (hit rate, entries, evictions) - `/sf storage status` — One-line health summary - `/sf storage verify` — Run a schema integrity check to find missing columns/tables - `/sf storage repair` — Automatically repair missing schema columns - `/sf storage cache clear` — Invalidate cached data for online players - `/sf storage backup [create|list|restore|delete|verify]` — Fully integrated database backup manager --- ### ☕ Java 25 Support Built and tested against **JDK 25** (Eclipse Adoptium) — fully compatible with the latest Java runtime. --- ### 🔧 Paper 26.x API Modernization Under-the-hood updates to align with the latest Paper API: - Migrated to **Component-based events** (Adventure API) - Adopted **`DamageSource` builder** for modern damage events - Switched to **`Registry.BIOME`** lookups (replacing deprecated `Biome.valueOf`) - Updated potion system to **`setBasePotionType`** (replacing removed `PotionData`) - Modernized **WorldEdit & mcMMO** integration hooks --- ## Requirements | Requirement | Version | |---|---| | Minecraft | **26.1+** (any 26.x release) | | Server | **Paper 26.x** (or forks: Purpur, Folia, etc.) | | Java | **21+** (25 recommended) | --- ## Installation 1. Download the JAR from this page 2. Drop it into your server's `plugins/` folder 3. Restart your server --- ## Setting up the New Database System By default, Slimefun 4.0 uses the familiar `legacy` file-based system to ensure backward compatibility and prevent unexpected migrations. To switch to the new database system, follow these steps: 1. **Stop your server.** 2. Open `plugins/Slimefun/database.yml` in your text editor. 3. Change the `provider` setting from `legacy` to your preferred database type (e.g., `sqlite`, `mysql`, `mariadb`, `postgresql`). - For `sqlite`, no additional configuration is needed. - For `mysql`/`mariadb`/`postgresql`, fill in the host, port, username, and password in the same file. 4. **Start your server.** 5. Slimefun will automatically connect to the database, initialize the tables, and seamlessly migrate your existing world data on the first load! --- > **⚠️ Breaking Change:** This release does NOT support Minecraft 1.21.x or earlier. If you're running an older server, stay on the previous release.