Well a big thing that happened for me this year is losing OSX as my primary environment. So everything is in flux and has been for about six months. I don't see Apple turning around for what I need and I've been 100% linux desktop over this time period. I'm a long time linux and BSD user, but haven't had it as my primary OS in nearly a decade.
My job has shifted towards ops and managing kubernetes clusters at scale. Since I'm refiguring everything I used to do this year, I figure I might as well try things I always meant to that have been around forever and seem to do it just fine without buying into commercial tools (that largely aren't available for my platform anyway).
Because of my work focus on virtualization, my primary machine is starting to be a mini cluster and I have a 5 node rack adjacent. Being portable between all these environments is becoming an asset very quickly.
Maybe it's silly, but I'm not moving around comfortably in almost anything like I was. World's my oyster I guess.