Panel Toggle Glitch

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Development environment:
Simulator: iOS 26 beta 3 iPhone 16 (for testing)
Simulator 2: iPadOS 26 beta 3 iPad Air 13 inch (M3) (for testing)
Connected Device: iPadOS 26 beta 3 iPad Pro 11 inch (M4) (for testing)
Dev Device: macOS Tahoe 26 beta 3 Macbook Air

When using the NavigationSplitView element, the sidebar has a built-in panel toggle button.
However, when I click the toggle button to toggle the sidebar section in SwiftUI 26 on both simulator 2 and the connected device, it has a slight animation glitch before going back to normal. What's going on?

This is my code for the specific view that has the NavigationSplitView (and all views are connected through TabViews):

RecordsPage.swift

Here are image references:
When I clicked the toggle: Screenshot 2025-07-19 at 12.23.13.png After 1~2 seconds:

These images are in the state of the panel being hidden.

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Answer 1

darkpaw OP

18h

You should probably raise this as a bug in the usual way. It won't really get progressed if it's only posted in these Developer Forums.

You need to raise each issue you find separately at https://feedbackassistant.apple.com/ You can post the FB numbers here if you want, so that others can link to them.

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