GNOME’s Native Screencasting Feature is Taking Shape
GNOME’s Native Screencasting Feature is Taking Shape
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GNOME's New Screencasting Feature Takes Shape

The developer working on integrating network display functionality into GNOME Shell shared short video clip to the GNOME sub-reddit [...] the feature adds a “screencast” button to the row of actions in the Quick Settings menu. Clicking this opens a modal picker where the user can select any Miracast or Chromecast compatible displays on the network.