Not really, just temporarily not using apps where random people can post images that are not re-encoded. Turns out this is very few apps, but sadly every lemmy app falls under this category.

Ah ok, I’ll just stop using Boost until the October pixel update rolls out then

Something like level1 tech’s kvm might be what you are looking for https://store.level1techs.com/products/14-kvm-switch-single-monitor-2computer

The kvm switches aren’t cheap but they properly support displayport 1.4 which is quite nice.