CoreUI Free React.js Admin Template v5.6.0

Monday, March 30, 2026

We’re excited to announce the release of CoreUI Free React.js Admin Template v5.6.0 on March 30, 2026! This update focuses on critical bug fixes, performance improvements, and enhanced developer experience with memory leak fixes and Fast Refresh support.

Speed up your responsive apps and websites with fully-featured, ready-to-use open-source admin panel templates—free to use and built for efficiency.

🚀 What’s New

🐛 Critical Bug Fixes

Memory Leak Fixes

This release addresses critical memory leaks that could impact application performance over time:

App Header Memory Leak: Fixed memory leak in the application header component that occurred during component lifecycle
MainChart Memory Leak: Resolved memory leak in MainChart’s ColorSchemeChange event listener by properly cleaning up event subscriptions
Improved Stability: These fixes significantly improve long-running application stability and memory usage

Bug Fixes

Random Function Fix: Corrected the random number generator to properly accept min/max parameters
Navigation Fix: Fixed stepper URL typo in the navigation sidebar
Fast Refresh: Enabled Fast Refresh for routes by using named exports, improving development experience with instant hot module replacement

🔧 Developer Experience

Hot Module Replacement: Fast Refresh now works correctly with route components for instant updates during development
Dependency Sync: Documentation now accurately reflects dependency versions from package.json
Code Quality: Various code improvements and refactoring for better maintainability

📦 Dependency Updates

Updated core dependencies to their latest stable versions:

Updated @coreui/react from ^5.9.0 to ^5.9.1
Updated @vitejs/plugin-react from ^5.0.4 to ^5.1.0
Updated chart.js from ^4.5.0 to ^4.5.1
Updated core-js from ^3.45.1 to ^3.46.0
Updated eslint from ^9.37.0 to ^9.38.0
Updated eslint-plugin-react-hooks from ^6.1.1 to ^7.0.1
Updated react-router-dom from ^7.9.3 to ^7.9.5
Updated vite from ^7.1.9 to ^7.1.12

🎯 Performance & Stability

Memory Management

The memory leak fixes in this release are particularly important for:

Production Applications: Long-running applications will maintain stable memory usage
Dashboard Applications: Real-time dashboards with frequent updates will perform better
Chart Components: Applications using charts with color scheme changes will no longer accumulate event listeners

Development Experience

Fast Refresh: Instant feedback during development without full page reloads
Better Debugging: Cleaner component lifecycle makes debugging easier
Updated Tooling: Latest ESLint and Vite versions for improved development workflow

🙏 New Contributors

We’d like to welcome and thank our new contributor:

@codomposer for their excellent bug fixes addressing memory leaks and other issues

📖 Learn More

For a comprehensive view of all changes and technical details, check out the full changelog on GitHub.

Stay tuned for future updates, and as always, thank you for using CoreUI! 🚀