• optionally restrict login access to users who have a membership in good standing (with options for defining what constitutes a current membership)
• redirect expired members to a menu item or CiviCRM contribution page when they attempt to login. if redirecting to a contribution page, the user's contact details will be prefilled using the CiviCRM checksum feature
• assign users to a Joomla ACL group on login, based on their membership type
• assign users to a Joomla ACL group on login, based on their membership status
• support login via email (in addition to username)

Note, the current version (5.0+) is compatible with Joomla 4. For Joomla 3 compatibility, download version 4.2 using the Github tags page.