I'm still running El Cap on mine for university stuff, but since I don't need them at the end of the year this time I'm seriously considering updating but I don't want to loose performance
the beauty of macs is that you can backup , upgrade and go back all in the same day (unlike iOS) so this is the best way as you can see what works and what doesnt work well with your set of apps.
I'm still running El Cap on mine for university stuff, but since I don't need them at the end of the year this time I'm seriously considering updating but I don't want to loose performance