Looks like they are posting all the past newsletters, maybe for historical purposes.

We were just archiving past materials—I’m sorry you received email notification of that. The process is complete. Thank you, [Ward Holloway](mention:01341e31-7f7f-43e2-bccf-538c02c3ea6a "/u/wardhollowaype/") and [Vakil Kuner](mention:ae7224fc-715e-41e6-bb16-5c74ef2d3d4e "/u/vakil/").