The workaround on SO was posted way back in 2011. It has initially solved a different issue, I think.
-- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1854204 Title: Menu is not clickable on OSX Catalina Status in QEMU: New Bug description: 1) Run `qemu-system-x86_64` 2) Try to click on the main menu Menu is not clickable until another window is activated and QEMU window is activated again To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1854204/+subscriptions