@witty-crayon-22786: likely need another extension on

register('--use-old-naming-style', advanced=True, default=True, action='store_true',
             deprecated_version='0.0.67',
             deprecated_hint='Switch to use the safe identifier to construct canonical classpath.',
             help='Use the old (unsafe) naming style construct canonical classpath.’)

As https://rbcommons.com/s/twitter/r/3300/ may take some time to review