visionOS Window launch size

Before visionOS Beta 4 it was possible to define the launch size in the Info.plist using PreferredLaunchSize like so:

<key>UILaunchPlacementParameters</key>
<dict>
	<key>PreferredLaunchSize</key>
	<dict>
		<key>Height</key>
		<integer>750</integer>
		<key>Width</key>
		<integer>750</integer>
	</dict>
</dict>

In visionOS Beta 4 this now doesn't work anymore and the window opens in a 16:9 format and then will scale down to the .defaultSize of the WindowGroup with an animation.

Settings, Notes, Safari still open with a different default size though, including the launch screen.

How are we supposed to do this now?

WindowGroup {
      ..........
}.defaultSize(CGSize(width: 700, height: 700))
visionOS Window launch size
 
 
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