I didn't do Fridays update until yesterday. Since then I have had screen tearing, and have never had it before on this system. Any full screen video now has tearing (YouTube, streaming with Plex, playing video native on system through Kodi or Video within Solus)
AMD RX 590, month or so old, stock clocks. Radeon Profile service shows no odd stuff.
Polaris 10, DRM 3.36.0, 5.5.6-149 current, LLVM 9.0.0
AMD Ryzen 7 1700X, stock clocks etc
32GB 3200 DDR4 Crucial RAM
ASUS 28" 2k/60hz running at native desktop resolutions of 2560x1440/60 or 3840x2160/60
Problem happens anytime I am full screen, regardless if I am playing 720, 1080, 1440 0r 2k/4k content