Anybody else with garbage wifi performance since V54?

I made the mistake of updating from 53 to 54 back when it dropped, and since then... let's say that if an activity involves the wifi, I am better off not doing it. Updating apps? lol no. Using the store? The video previews take over half a minute to start playing, and almost immediately stop to buffer again. AirLink / Virtual Desktop? Terrible, TERRIBLE idea. It's not my connection or the network hardware as I tested it on a different network and nothing changed. I've contacted support a few minutes ago, I doubt it will help.