Earlier this year, Skype added a new feature -- background blur (see link).
I've been trying to get the feature to work on my iMac without any luck. I just figured out why.
The background blur feature requires your computer's CPU to support Advanced Vector Extensions 2 (AVX2) (see link), and CPUs supporting that set of extensions were not released until 2013 (see link). Thus, my iMac from 2011 (which works fine) does not support AVX2 and cannot background blur.
Image by Momentmal on Pixabay.