They sent the L5 to every first month backers (sept 2017) before the global electronics shortage impacted them
You can get some general Purism news regularly here News and Events – Purism
Do you receive the news emails from Purism like @guru ?
You can check this pinned post How to properly send emails to Purism
I think you can contact them by email at support@puri.sm about your questions and grievances