If you're upgrading from a previous Angular version to Angular 10, here's a concise guide to help you through the process:

🧰 Key Preparation Steps

  1. Backup Your Project
    Always create a backup before starting the upgrade.

    backup_project

  2. Check Dependencies
    Ensure all third-party libraries are compatible with Angular 10.

    dependency_check

  3. Review Release Notes
    Read Angular 10's official release notes for critical changes.

📋 Major Changes in Angular 10

  • Improved Ivy Renderer
    Angular 10 introduces enhanced Ivy for faster builds and smaller bundle sizes.
    ivy_renderer
  • New CLI Features
    The Angular CLI now supports newer tools for better development workflows.
    cli_features
  • Deprecation of Angular 8+ Features
    Some older APIs from Angular 8+ are deprecated in 10. Check the Angular 10 Migration Tool for automated updates.

🛠️ Upgrade Process

  1. Update package.json to Angular 10
  2. Run npm install to fetch new dependencies
  3. Use Angular CLI's migration tool: 
    ng update @angular/core@10 @angular/cli@10
  4. Test your application thoroughly after migration
    upgrade_testing

📚 Further Reading

For detailed documentation on Angular 10, visit the Angular official site. You might also want to check the Angular 11 Upgrade Guide for future reference.