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Yeah, I noticed the same on my Macbook. I mainly use it for theater stuff (Qlab) and remoting into my main Windows desktop environment. I just stopped doing some of the workflows on Mac and do them on Windows because I didn't feel like trying to figure out why macOS wouldn't let GIMP open an image I downloaded from the internet. So dumb.
Most ridiculous one for me so far: - downloaded json file from my own GitHub account - double click to open in VSCode, Apple says no - try the usual tricks (holding alt and right clicking, i guess), no - drag and drop file into Code, no - right click>get info, lo and behold: the entire file contents displayed in the Get Info preview pane for me to copy I'm actually getting a Windows laptop to do some testing on and i…
My work issued MacBook is incapable of running unsigned binaries enforced by the MDM kext, and I do all sorts of development all day long. Occasionally I have to resign a precompiled dylib if it was compiled on a coworkers machines, but that’s it. I have never seen anything like you’re describing.