Firefox for the add-ons, sync, and other features, but I have set Firefox Focus as the default that most apps open pages in. From there I can open pages in regular Firefox if I need or want to. Firefox Focus acts as a sort of default private browsing mode.

Yes. The periods are just part of the name like any other letter, so 5 is compared to m, and numbers sort before letters. You can add something like ‘.0’ to make it sort more naturally. Look up an ASCII table to get a feeling for how strings are sorted.

Hello, I am Bob Bugmaker, your software developer for this project.