Angular 12 (2021):

• Key Features:
  • Strict Mode Improvements: Enhanced strict typing options for better type safety.
  • Support for Modern Build Tools: Integration with modern build tools and better performance.

Angular 13 (2021):

• Key Features:
  • Removal of Legacy View Engine: Full transition to the Ivy rendering engine.
  • Improved CLI: Enhancements to the Angular CLI for a better development workflow.