If you notice spacebar behaving incorrectly in a virtual machine, this may be due to the "Full Keyboard Access" accessibility feature introduced in macOS Monterey. This feature alters the behavior of many keyboard keys to allow for controlling macOS without using a mouse, and sometimes it appears to be enabled by default.
If that is the case, disabling "Full Keyboard Access" will fix the spacebar functionality.
To disable the feature, open macOS System Preferences > Accessibility > Keyboard and uncheck Enable Full Keyboard Access.
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