Developing responsive Angular applications is crucial to ensure an optimal experience across various devices. Here are five essential tips to help you create a seamless user experience:

1. Utilize Flex Layout: Angular Flex Layout provides a powerful layout API that helps you design adaptive and responsive applications effortlessly. This tool allows you to control your application’s layout across different screen sizes while keeping the designs fluid.
2. Employ Viewport Meta Tag: To improve responsiveness, make sure to include the viewport meta tag in your application. This tag tells the browser how to adjust the dimensions and scaling of the app, ensuring it displays correctly on mobile devices.

Additionally, using CSS Grid and Flexbox can further enhance your application's adaptability. Here are a couple more tips:

3. Implement Responsive Images: Optimize images using HTML5's <picture> element or CSS techniques to ensure that images scale appropriately for different screen sizes, reducing loading times.
4. Test Across Devices: Regularly test your app on various devices and orientations to identify any layout issues. User feedback is invaluable; leverage tools like Chrome DevTools for responsive design.

Creating interactive UI components in Angular involves understanding the framework's powerful features like components, directives, and services. Start by setting up your Angular project using Angular CLI. Once your project structure is in place, use the ng generate component command to create a new component. This command will generate the necessary files, including the TypeScript, HTML, and CSS files needed for your component. You will then define your component's properties and methods in the TypeScript file, while crafting the layout and design in the HTML file.

After setting up your component, focus on adding interactivity through data binding and event handling. Employ two-way data binding for input fields to keep your data synchronized between the component and the UI. Additionally, utilize Angular's event binding to respond to user actions, such as clicks or keyboard events. For instance, you can create a button that toggles a content display utilizing an (click) event. By integrating features like NgIf and NgFor, you can further enhance your components, making them not only dynamic but also user-friendly.

Angular has recently introduced several exciting features that enhance its overall functionality and developer experience. One notable update is the improved Standalone Components, which allow developers to create and use components without the need for NgModules. This leads to cleaner code and facilitates better organization in larger applications. Additionally, Angular's latest version has streamlined the forms module, introducing new APIs that simplify form handling and validation, allowing for more dynamic user interactions.

Another key addition is the Directive Composition API. This feature enables developers to build complex components by combining multiple directives more efficiently. As a result, it promotes code reusability and makes the functionality of Angular applications more modular. Lastly, the update includes enhanced RxJS support, which offers new operators and improved performance, making it easier to manage asynchronous data streams in your applications. With these updates, Angular continues to maintain its position as a leading framework for building modern web applications.