Mid-2009 is the cut off point at which the newest OS will not work. That’s what mine is and it runs like a tank as well. But looks like an upgrade to a newer model will be in the offing for me. I may opt for a MacBook Air this time around.
Wife’s Mac mini is 2009 also which leaves us both needing new ones. She mentioned I could replace my 2006 MBP first, so I sorta have a green light, just waiting on changes economically which I believe are on the horizon. It’s been a long 8 years