Having been on Linux Mint for several weeks now, I made a few more observations:
Using Gimp on Windows 10, it would often hang for several minutes if I tried to rotate an image in 16-bit black and white mode. This wasn't a problem if I switched to color. In general all operations were quite slow in black and white mode. Probably something to do with how it was handling the image in memory. I lived with it for several years. On Linux, all Gimp operations are fast in both B&W and color.
In Windows 10, RawTherapee would crash about 10% of the time when I saved. Again I lived with this for several years. On Linux, I've processed 100 images so far and I've yet to have a crash, so this bug appears to not be present on this OS.
Linux has the TimeShift utility which can back up your system configuration once a day. If you screw something up due to the higher level of control, you can restore to a snapshot. I haven't had to do this yet. No instability, freezes or crashes at all.
I needed to set up port forwarding with my VPN service in order to get peer-to-peer torrent software to work. This is one aspect that was easier to get working under Windows. Though that's apparently because Windows has less secure networking. Took me about an hour to figure out, turns out my VPN actually has a page to guide you through it.
I couldn't figure out how to get my old B&W laser printer working on the WiFi as it was on Windows 10. So I've moved it closer to my computer and plugged it via USB.