I enjoyed that -- Apple's UI shifts have been subtle (mercifully) but I still think that there was a real high water mark around 10.6 and later to 10.10 too. I

I enjoyed that -- Apple's UI shifts have been subtle (mercifully) but I still think that there was a real high water mark around 10.6 and later to 10.10 too. I haven't upgraded to BigSur.