Unless things have changed in the past couple of years it's not just a single security warning the first time you side load an app. On my device, F-Droid can't

Unless things have changed in the past couple of years it's not just a single security warning the first time you side load an app. On my device, F-Droid can't seem to update apps itself - rather I get a security warning dialog for _every single app_ whenever I do updates. This is in spite of the fact that I approved the initial security warning when installing the F-Droid apk itself and granted it all of the permissions it requested.