There are no problems running the latest version of the controller. Or if there are, I haven't encountered them—I've been running it for a few days now without issue. Just make sure to install...

Note: in the latest version of the 4.4 branch of MongoDB, 4.4.19, they changed the build system so that it now targets armv8.2-a. This will not work even with the RPi4, let alone older models and...