React 19 […] will have direct support for custom elements. Developers can expect that all tests on custom-elements-everywhere.com will pass by default going forward, like they currently do in the experimental channels. Release date, as well as docs for what's supported, still to be announced.
Hidde de Vries (@hdv@front-end.social) is a web enthusiast from Rotterdam, The Netherlands. He currently works on accessibility standards for the Dutch government (views his own) and is in the W3C's AB. Previously, he worked for Mozilla, W3C/WAI, national and local governments, Sanoma Learning and others as a freelancer. Hidde is a public speaker (all 79 talks). In his free time, he works on a coffee table book covering the video conferencing apps of our decade.