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@@ -121,8 +121,11 @@
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tabbing identifier will be grouped together. This also adds a native new
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tab button to your window's tab bar and allows your `app` and window to
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receive the `new-window-for-tab` event.
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-* `gamescopeOverlay` boolean (optional) _Linux_ - Sets the window to appear
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- as an overlay for SteamOS's Gamescope compositor.
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+* `gamescopeOverlay` boolean (optional) _Linux_ - When enabled, sets the window
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+ to appear as an overlay in [SteamOS's Gamescope compositor][gamescope] (used
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+ in Game Mode on the Steam Deck). To function properly in Game Mode, the
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+ window must be running under XWayland. If not set automatically, you may need
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+ to force the X display by setting: `app.commandLine.appendSwitch("display", ":0")`
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When setting minimum or maximum window size with `minWidth`/`maxWidth`/
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`minHeight`/`maxHeight`, it only constrains the users. It won't prevent you from
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@@ -158,3 +161,4 @@ Possible values are:
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[overlay-css-env-vars]: https://github.com/WICG/window-controls-overlay/blob/main/explainer.md#css-environment-variables
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[overlay-javascript-apis]: https://github.com/WICG/window-controls-overlay/blob/main/explainer.md#javascript-apis
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+[gamescope]: https://github.com/ValveSoftware/gamescope
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Samuel Maddock