OpenCore (previously OpenCore Legacy Patcher) tool allows running macOS on unsupported hardware by updating kernel to work with older hardware.
Not a supported environment!
While OpenCore might allow macOS to run on unsupported Macs, this is not supported and might result in issues, data loss.
Do not use macOS on unsupported hardware with any important data.
Developer:Study project GitHub. Consider using OpenCore for quick tests on latest macOS when additional hardware is harder to acquire.
QA engineer:Consider using OpenCore for quick tests on latest macOS when additional hardware is harder to acquire. Always have supported environment for proper testing on modern macOS.
PM/DM:Business as usual.