Realized too late that it was caused by my Nvidia G-SYNC settings being disarrayed. Without G-Sync, the level editor is rendering at a smooth average of 108FPS, max 120FPS.
Realized too late that it was caused by my Nvidia G-SYNC settings being disarrayed. Without G-Sync, the level editor is rendering at a smooth average of 108FPS, max 120FPS.