Corresponding [polyfill](https://github.com/Maps4HTML/Web-Map-Custom-Element/issues/868), [documentation](https://github.com/Maps4HTML/web-map-doc/issues/130), [extension](https://github.com/Maps4HTML/mapml-extension/issues/64), and [experiments](https://github.com/Maps4HTML/experiments/issues/121) issues
Corresponding polyfill, documentation, extension, and experiments issues