CodeWeavers is a software company that focuses on Wine development and sells a proprietary version of Wine called CrossOver for running Windows applications on macOS, ChromeOS and Linux.
Do you think they would actually litigate? They seem like different products serving entirely different markets so I am not sure that the trademark infringement claim is very defensible. And how do they prove damages?
https://en.wikipedia.org/wiki/CodeWeavers
Trademark is active. It's an Ⓡ not just a ™, registered not just trademarked. To keep it, they have to demonstrate they defend it.
https://www.trademarkia.com/codeweavers-76546826
While this project drops the final "s", you don't get to launch an OS called "Window". The test is a fuzzy match based on likelihood of confusion.