| 
 
			
			If you have an external drive you should be able to time machine it and then you have a path backwards if things to truly sideways..  but I rarely have issues with my development stuff with OS upgrades on Macs, it's usually other stuff like corporate VPN software or attached devices.  I used to be the first to update, but nowadays I let other people be the canary.
		 
				__________________Uncertainty is an uncomfortable position.
 But certainty is an absurd one.
 |