Microsoft Edge contains hidden flags ( edge://flags ) and system toggles that optimize how the browser decodes WebRTC video streams and processes user inputs for Xbox Cloud Gaming (xCloud) . 1. Core Microsoft Edge Flags ( edge://flags ) Type edge://flags into the address bar, search for the following flags, adjust their settings, and click Relaunch . Hardware Video Decoding & Rendering Flags #enable-gpu-rasterization → Set to Enabled What it does: Forces the GPU (rather than the CPU) to rasterize web elements and stream overlays. Benefit: Free up CPU cycles, lowering frame-pacing micro-stutters during heavy action. #zero-copy-video-capture → Set to Enabled What it does: Writes incoming WebRTC video frames directly into GPU memory buffers without first passing through system RAM. Benefit: Eliminates a memory copy step, saving 5–15 ms of video ...