But today Microsoft announced that it is finally adding two features that could make the app a bit more useful for power users: support for Photoshop-esque image layers and the ability to open and save transparent PNGs. The redesigned Paint is rolling out to Windows Insider testers in both the Dev and Canary channels, the two bleeding-edge and less-stable versions of Windows 11. Like other recent app updates, this appears to require Windows 11 and won't be backported to Windows 10.
https://arstechnica.com/gadgets/2023/09/hell-freezes-over-ms-paint-adds-support-for-layers-and-png-transparency/