October 2018 marked a significant milestone for web components, as Firefox version 63 enabled the Shadow DOM and Custom Elements APIs by default, making these features stable across all major browsers except Microsoft Edge, which has begun development to catch up. This advancement is particularly exciting for Ionic, whose Framework v4 is built on web components, enabling it to work seamlessly across various devices, operating systems, and browsers using the same codebase. By utilizing standard web technologies like HTML, CSS, and JavaScript, Ionic aims to simplify app development and maintain stability across platforms, even as new JavaScript frameworks emerge. While focusing on future advancements, Ionic Framework v4 also addresses the need for compatibility with older browsers by dynamically including necessary polyfills, ensuring developers can use modern features without additional effort. The future of cross-platform web components looks promising, and Ionic is expanding its support to include additional JavaScript frameworks such as React and Vue, keeping the door open for future innovations.