I saw a bug which most people would never see. I have two PCs using the same monitor, KB, and mouse. The monitor is switched via a DVI switch from South Korea. The KB and mouse are switched by separate USB switches, each consisting of a rotary switch. All three switches are 100% dumb, meaning no circuitry. Sure, I could use a KVM, but I like this arrangement better.
This bug appears when booting. The mouse is unresponsive (I can see the cursor in the middle of the screen). I can eliminate the problem by rotating the switch to the other position and back again, so this is not serious. I have not seen this problem with other Linux distributions or Windows. And in case it is not clear, I am NOT switching back-and-forth between this system and the other (the other system is playing Internet music while I play with a Linux distribution on this system).
I would be happy to test the next alpha release, as it doesn't take long to build a test system.
P.S. Thanks for not using the default LXDE logon screen.