<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def anitya_unmapped_new_update(config, message):
 """ New releases of upstream projects that have no mapping to Fedora Adding this rule will let through events when new upstream releases are detected, but only on upstream projects that have no mapping to Fedora Packages. This could be useful to you if you want to monitor release-monitoring.org itself and watch for projects that might need help adjusting their metadata. """

    if not anitya_new_update(config, message):
        return False

    for package in message['msg']['message']['packages']:
        if package['distro'].lower() == 'fedora':
            return False

    # If none of the packages were listed as Fedora, then this is unmapped.
    return True