Working with custom elements in React - LogRocket Blog
Briefly

Custom HTML elements allow for the encapsulation of complex functionalities into reusable components, enhancing code organization and readability, akin to React components.
React has historically encountered challenges with custom elements due to its handling of unrecognized props as attributes, complicating integration with these elements.
With the introduction of React 19, significant changes were made to improve compatibility with custom elements, addressing previous limitations and enhancing developer experience.
While custom elements are useful for specific scenarios, existing HTML elements and frameworks usually provide better solutions for managing multiple components effectively.
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