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I'm using UTM (nice frontend to Qemu) and the performance is okay-ish on a base mbp m1. The desktop is fluid enough for basic usage. I use it mainly for remote access client apps that I don't want running on my OS, like Citrix.

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UTM is fantastic for macOS-on-macOS emulation on Apple Silicon devices. Historically, macOS VMs have been so slow on every other virtualization platform. UTM uses Apple's native virtualization framework and it's a godsend for testing older or newer OS's.

I used parallels in the past. Mainly to spin up macOS VMs for setup testing with ansible (I maintain a macOS build farm for our studio) And I found the performance decent enough. It all tanks the moment more than one instance is running though.

what operating systems are you running on utm? I've tried it, and for some it's great, for others, usually one of the bsd's, there's always some small problem. And the gui feels kind of incomplete.

Weirdly, virtualbox on linux was usually my go to for trying out other operating systems. It also felt like the most straightforward to use.

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