What's going on with all the major VPN outages?

Evidently this has been a thing since 8 April 2026. For quite a number of people (inlcuding yours truly), VPN access is the only way to connect with friends, families, and actual information. VPNs are also used by many companies to protect their networks.

So, what’s the cause and, more importantly, what’s the estimated time of resolution?