If you want tweaks that are a little more first party, there's always PowerToys https://learn.microsoft.com/en-us/windows/powertoys/
PowerToys are more like separate utility programs, rather than the UI tweaks that WindHawk mods do by hooking into Explorer and the like.
There are genuinely some great power toys available.
I feel like it's for a totally different purpose though. The thing mentioned in this article seems to aim for changing how Windows' windows management and taskbar work completely.