# ExtendedNoteBlock 1.3.5
## What's New in Version 1.3.5
This release brings significant structural updates and underlying refactoring, particularly focusing on a complete overhaul of the mod's sound system, alongside important performance improvements.
### ✨ Core Features & Refactoring
* **Complete Rework of the Sound System:** The sound engine has been completely overhauled for better flexibility and future extensibility.
* The old SoundFont 2 rendering system has been removed.
* **New: Introduction of the Sound Pack Editor.** Users can now easily create, edit, and manage custom sound packs.
### 🚀 Performance & Stability
* **Significant Performance Improvements:** Multiple commits were dedicated to resolving performance bottlenecks and fixing related issues, which should result in a much smoother and more stable experience.
* **Backward Compatibility:** Implemented fixes to ensure better backward compatibility.
### 🛠️ General Enhancements
* **Enhanced Validation:** Improved **name validation** within the `CreatePackScreen` for better user feedback and experience.
* **Default Soundpack Repair:** Repaired and fixed issues with the default soundpack.
* **Translation Updates:** Updated Japanese and other general translations.
### ⚠Note:
Version 1.3.5 is compatible with sound packs from previous versions, and will automatically upgrade their format. However, these format-upgraded sound packs are not supported by previous versions of the mod.
Developer information
Projects on Modrinth are automatically available through a Maven repository for use with JVM build tools such as Gradle.
maven { name = "Modrinth"; url = "https://api.modrinth.com/maven" }