The Vulcans and Humans Just Nearly Lost Their Homes

Speaking of that, Discovery’s fourth season climaxed with both Earth and Ni’Var—the rechristened homeworld of the Vulcans and Romulans, who have been re-united as sibling peoples by the 32nd century—under the direct threat of the DMA, necessitating the almost total-evacuation of the worlds as they faced destruction from showers of debris. Thanks to Captain Burnham and the Discovery crew’s intervention, the DMA was stopped just before all this happened—and most of the populations of Earth and Ni’Var, but not all of them, had been evacuated by Starfleet.
We don’t know quite how much time has passed between the events of season four and five (it’s been over two years in reality, hence why you’re reading this catchup post), but don’t be surprised if at least some of this doesn’t get mentioned in early episodes as the universe and our heroes continue to deal with the ramifications. One of which being…