Crossover is the commercial version of the code behind proton, developed by the same company. It doesn’t work as well on Mac as on Linux. Since “Like Linux but worse” is exactly the point you’re responding to, so you’re pretty much in agreement with them?

You can find plenty of people complaining online about the startup time of the windows and gnome (snap) calculators. The problem in those cases isn’t solved by compiled languages, but it illustrates that it’s important to consider performance even for things like calculator apps.

You can sometimes deal with performance issues by caching, if you want to trade one hard problem for another (cache invalidation). There’s plenty of cases where that’s not a solution though. I recently had a 1ns time budget on a change. That kind of optimization is fun/impossible to do in Python and straightforward to accomplish Rust or C/C++ once you’ve set up your measurements.

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WSL is just a well integrated VM running Linux. It’s mainly intended for CLI tools, but there’s nothing preventing you from e.g. running an X server and having programs appear in the Windows “window manager”.

The super key is largely inaccessible though. It’s tied very deeply into Windows, which is still the one talking to the keyboard.