For a v1.0.0 release, a professional Modrinth changelog could be:

Crystalium 1.0.0

🎉 Initial Release

Added

• Performance-focused Fabric modpack
• Client-side optimization mods
• Server-side optimization mods
• PvP and Crystal PvP (CPvP) focused configuration
• FPS and frame-time stability improvements
• Faster loading and reduced stuttering
• Improved gameplay responsiveness

Optimizations

• Optimized default mod configuration
• Reduced unnecessary resource usage
• Improved overall game stability
• Better performance on both low-end and high-end hardware

Notes

• Designed for PvP, CPvP, survival, and multiplayer gameplay
• Performance improvements may vary depending on hardware and settings
• Recommended to use the latest supported Java version