There has been an update to Mini vMac:
" There is now a Mini vMac 3.1.3 beta, with a few small bug fixes. (The Variations service is also updated.) Thanks to an anonymous bug report and patch, 16 and 32 bit color will now work in Intel OS X (to the extent that the incomplete Mac II emulation works at all).
I've noticed that if Mini vMac is in Stopped Mode, mouse and keyboard events are no longer discarded, but saved in the Mini vMac event queue and played back upon leaving Stopped Mode. This might not be quite what is expected, but I've not changed this, since it turns out to be a good way to test that the new event queue code works as expected. Which it didn't. I've fixed several bugs in it. (The new event queue code is supposed to ensure that mouse and key events are handled accurately, even if emulation is not getting time to run regularly.) Also fixed is a bug where if Mini vMac for OS X was in Stopped Mode, error messages such as for failing to open a disk image would not be displayed."
Meanwhile, if you feel strongly about Mini vMac you can support it with a donation (I did):