Uno apps can run on the web via WebAssembly and natively on Windows, iOS, Android, macOS, and Linux. Instructions for getting started with Uno Platform be found on the Uno Platform website.

This is enables Web Apps to perform expensive tasks off the UI thread and avoid freezing the UI." As intimated, Uno Platform isn't the very first to tackle such support, as evidenced by the Threads ...

It uses the Microsoft Community Toolkit controls via the Uno.UI NuGet package, which you manage and configure as you would for any Windows app, using standard XAML markup.