[__bb]

One of the things I found limiting in previous versions was supporting older versions of macOS. I’ve decided this time round to only try to support the latest and previous versions. Since the release of Tahoe is probably quite soon, I’m starting with just macOS 15 and will support that and macOS 26 to start.

[thisislife2]

From what I have observed, apps built for macOS Mojave (64-bits) or macOS Catalina all work fine on the latest versions of macOS. So I guess you must be hampered with App Store requirements ...

[_mlbt]

Apple frequently introduces new APIs that enable new functionality or make things easier and more maintainable. Also, testing software on older operating systems creates additional work. Unlike other OSes, macOS puts several limitations on running it under a VM, so in some cases you have to boot the OS up on real hardware. If you don't have 5 or 6 old Macs laying around this means setting up multi boot. There are also limitations on which versions the latest Xcode can target.