A problem I have struggled with for decades is software testing on the
various versions of operating systems our software deploys on.
For testing on Windows, we use Virtualbox with Virtual Machines (VMs)
for Windows 7, Windows 8.1, and Windows 10 (we have yet to try to build
a Windows 11 VM)
For macOS we have tried a multi-boot system, a mac Mini with hard disks
partitions to boot to OSX 10.9, 10.10, 10.11, 10.12, 10.13, and 10.14
(Mojave). We tried a partition for 10.15 Catalina, but were were already
experience problems switching between boot partitions where the Mini
would forget what Startup disk it should boot from. When we added
Catalina, the problem became worse, trying to go from Catalina to an
older OS on reboot or vice versa would fail.
So we tried a Mojave (10.14) laptop with Virtualbox and build a Catalina
VM. This worked well for Catalina testing. We like VMs for the ability
to reset to a snapshot or to clone them. We added a Big Sur VM, but
playing video does not work in the VM and Virtualbox's latest release
has not fixed this and macOS VMs are not really supported, even on mac
hardware. We just tried a Monterey VM and it is unstable. It will crash
and reboot after a random amount of time.
Some sort of virtual machine is very appealing because of the ability to
restore the machine to a snapshot after testing or to clone it. If
testing messes something up, you can always get back to a known state
without rebuilding a computer.
What have other people's experiences been? Does anyone have a more
stable, easier solution?
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