Earlier quoted context omitted.
No they haven't. On the 'Steve Jobs' versions of OS X updates never needed a restart, such versions as Leopard, Snow Leopard and Lion. The only exception was on major updates where a DVD was required for the update. They even used to use that it used to do this to bash windows. The 'Steve Jobs' OS X versions were very refined. Somewhere around Lion everything went downhill. Mountain Lion's flaws were slowly more pron…
Here's a screenshot of Leopard requiring a restart for an update: http://i.kinja-img.com/gawker-media/image/upload/s--L-qfNFHD... Here's one for Snow Leopard: http://cdn.osxdaily.com/wp-content/uploads/2010/03/mac-os-x-... Lion: http://cdn.cultofmac.com/wp-content/uploads/2012/02/Screen-S... And just in case you think this was real but you got the era wrong, here's a screenshot of 10.3 requiring a restart for all sor…
I stand corrected.