BCH wrote:
…The AUdistortion plugin design isn’t exactly the modern flat design. There are some simple 3D shader on the knob. I think it is the first version of 3D shader than simulate real sound hardware knob. But you’re right this simple 3D shader looks like the most modern flat design. …
Thanks again for your further research… theoretically one could dig into the innards of FCPX, the system Lib, wherever and look for the creation dates of those UI elements - which obviously don't use macOS standard elements.
… dare to say: serious case of Dept 1: "Let's go Golden Master!" , Dept 2 "Wot?? We're not done yet!!"
Nice Apple's UI Design Unit allows us a shoulder-view …
…I like the blueish, super-flat one … although it has absolutely no connection to any other Apple UI design … sneak peak to macOS 10.15/Cucamonga (… to create a new rumor about OS naming schemes …LOL)