Hi-Fi Wireframes: Create wireframes in minutes using components and styles.
UI Kit: Apply your brand or product styles and use existing components to create consistent user interfaces.
Style Guide: Use components and local styles to create style guides for your design and development teams.
Just after I switch from Sketch to Figma it helped me A LOT with my first design system. Really, really recommend!
Pros:beautiful, fully customizable, easy to use
Cons:none