Viewerframe Mode Exclusive

Even when you request viewerframe mode exclusive, the OS may deny it. Here is why:

If you have monitors with different refresh rates (e.g., 165Hz main, 60Hz side), exclusive mode can lock all monitors to the lowest common denominator or cause the secondary monitor to stutter. Windows 11 has improved this, but the issue persists. viewerframe mode exclusive

If exclusive mode is so great, why do we have borderless windowed mode? Even when you request viewerframe mode exclusive, the

The Alt-Tab Tax. Switching out of an exclusive fullscreen application requires a "mode change." The monitor has to re-sync, the GPU has to reinitialize the desktop heap, and the OS has to rebuild the compositor. This causes the dreaded 2-3 second black screen delay when tabbing out. If exclusive mode is so great, why do

Multi-Monitor Headaches. Exclusive mode works best on a primary monitor. Trying to drag a mouse cursor from an exclusive fullscreen game to a secondary monitor with Discord often fails unless the game minimizes.