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In the future, most new work that is expected to be of more limited adoption or that requires substantive new dependencies will probably take this form. We welcome interested parties to provide feedback on the dev list. Initial work on this will hopefully start showing up in V4.1.
I would also like to call attention to the fact that yet another IdP-of-last-resort for our services, UnitedID, has ceased operating. SUNET has kindly agreed to make their open IdP (eduID) available more widely. If you have existing bugs or pages you're tracking and need to rename a Jira or Confluence account name that was formerly issued by UnitedID just drop a note to our contact address and we can rename it for you.