Firefox will soon be shipping Windows UI automation support for improved accessibility on Windows:
https://groups.google.com/a/mozilla.org/g/dev-platform/c/qljNUMTNtyA/m/f07WaqmmCgAJ
> UI Automation (UIA) is Microsoft's recommended accessibility framework for Windows, replacing the earlier Microsoft Active Accessibility (MSAA) framework. [...] It offers several advantages over older frameworks including increased performance and security.