What are the main Angular 19 updates? - Part 1

Here is the Angular 19 features list:

•    Incremental Hydration
•    Standalone Defaults 
•    Route-level Render Mode
•    Hot Module Replacement
•    Linked Signals
•    Event Replay
•    Modernizing Code with Language Service    
•    State of Zoneless
•    State of Testing Tooling
•    Security with Google
•    Resource
•    Time Picker Component
•    Two-dimensional Drag and Drop