I don't get why people are removing support for Windows 10. Nobody likes Windows 11 and Windows 10 is the most popular operating system with no change of that in sight.
I feel like it is by design. Windows 11 collects vastly more info about a user than Windows 10, or so I've read. There's probably better sources out there than this article, but I'm lazy right now.
I do not think this is happening. Windows 7 support has barely started to be removed since this year (Steam) and Firefox ESR, WinRAR et al popular big software is still updated. Infact, WinRAR only dropped XP support few months ago with v 6.02 IIRC.
Windows 10 was quite the revamp over 7/8, and 11 is just cosmetic paint plus AI garbage on 10. Support for 10 is here to stay till atleast 2 years till 11 EOL comes around, since 11 and 10 are same inside. And this is assuming 12 has fundamental developer API changes on top of 10/11.