It should always be used for native windows that are running on the secondary screen. It improves the game's performance by reducing the usage of the GPU while you are playing and fixes a bug where some users encountered FPS drops when using a secondary screen.
New window manifest flag restrict_to_game_bounds: Restrict window to game client (window) area. A window will always stay inside the game window while dragging.
URI protocol: allows apps to open by using a URI protocol that can be passed via the command-line or a web address. Just add the new url_protocol flag to your app's manifest, to create a link to your app. For example: "outplayed://something/null". Then, you can use this link in a webpage or app, and it will open your OW app, with an option to send some additional data to your app.
It should always be used for native windows that are running on the secondary screen. It improves the game's performance by reducing the usage of the GPU while you are playing and fixes a bug where some users encountered FPS drops when using a secondary screen.