Help with visionOS pushWindow issues requested

I first started using the SwiftUI pushWindow API in visionOS 26.2, and I've reported several bugs I discovered, listed below.

Under certain circumstances, pushed window relationships may break, and this behavior affects all other apps, not just the app that caused the problem, until the next device reboot. In other cases, the system may crash and restart.

(FB21287011) When a window presented with pushWindow is dismissed, its parent window reappears in the wrong location

(FB21294645) Pinning a pushed window to a wall breaks pushWindow for all other apps on the system

(FB21594646) pushWindow interacts poorly with the window bar close app option

(FB21652261) If a window locked to a wall calls pushWindow, the original window becomes unlocked

(FB21652271) If a window locked in place calls pushWindow and the pushed window is closed, the system freezes

(FB21828413) pushWindow, UIApplication.open, and a dismissed immersive space result in multiple failures that require a device reboot

(FB21840747) visionOS randomly foregrounds a backgrounded immersive space app with a pushed window's parent window visible instead of the pushed window

(FB21864652) When a running app is selected in the visionOS home view, windows presented with pushWindow spontaneously close

(FB21873482) Pushed windows use the fixed scaling behavior instead of the dynamic scaling behavior

I'm posting the issues here in case this information is helpful to other developers. I'd also like to hear about other pushWindow issues developers have encountered, so I can watch out for them.

Questions:

• I've discovered that some of the issues above can be partially worked around by applying the defaultLaunchBehavior and restorationBehavior scene modifiers to suppress window restoration and locking, which pushWindow appears to interact poorly with. Are there other recommended workarounds?

• I've observed that the Photos and Settings apps, which predate the pushWindow API, are not affected by the issues I reported. Are there other more reliable ways I could achieve the same behavior as pushWindow without relying on that API?

I'd appreciate any guidance Apple engineers could provide. Thank you.