Having the same issue. Here is the demo to reproduce this issue:
https://github.com/JuniperPhoton/HDRMemoryIssueDemo
This issue still exists on iOS 18 Developer Beta.
juniperphoton
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It occurs to me too. And I found the way to reproduct it:
Open a sheet by SwiftUI: .sheet
Switch to other app
Back to your app, close the sheet
And then some buttons aren't responsive.