Profiles outside Firefox's list (MyFox 1.4.0): made, imported, renamed and deleted with Firefox open; profile rename; profiles-new, profiles-rename
Empty placeholder profiles: only with --all, marked; placeholder in list --json (MyFox 1.3.4)
profile list --json: restore_sync (MyFox 1.3.2)
Deleting a profile from about:myfox (MyFox 1.3.1): profiles-remove, profile remove <ID> -y with MyFox's Firefox open
Integration with about:myfox: refresh --check --json and myfox-updates.json (update-check, MyFox 1.2.4)
Profiles: moving, naming, opening after import, the matching theme, importing from about:myfox; integration: profiles-import, account and moved
about:myfox integration: the update capability and myfox refresh --json
about:myfox integration: the profiles capability, profile list --json and profile apply --json
Documentation: install, commands, updating, the firefox command, uninstalling, files, about:myfox integration