DirectX 12 not available as an option with wine-staging 6.7 using Warframe · Issue #650 · HansKristian-Work/vkd3d-proton · GitHub
Graphic glitch : r/Warframe
How to increase Warframe download speed? 3 slow speed Fixes
WARFRAME on Twitter: "If you're still having issues downloading the update after turning off Direct X 10, we suggest also turning off DirectX 11, and retarting the launcher." / Twitter