Update OS opens new window, fails to function

[NightOps]

While in connect.myunraid.net and managing my Unraid server from there, then going to Tools > Update OS, this option now opens a new window AND opens the original window in the Unraid Connect window:

Opens this window: (URL: https://account.unraid.net/server)

Which then redirects to this window:

 

Meanwhile, the original window just perpetually displays this:

 

This suddenly stopped working after an update to Unraid Connect.