I am experiencing an issue with the mobile preview on the TestFlight version. When viewing a document in landscape mode, the frame selection UI (sidebar) expands to cover the whole screen and obscures the artwork. There is no way to collapse this UI, and the toolbar buttons disappear entirely.
Steps to Reproduce:
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Open a document on iPhone.
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Rotate the device to Landscape orientation.
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Attempt to preview a frame.
Current Behavior: The frame selection list covers the entire screen. The UI cannot be collapsed, and toolbar buttons are missing, making navigation impossible.
Workaround / Additional Context: I found a temporary workaround:
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Select the frame while in Portrait mode.
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Tap the frame to enter full-screen mode (black background).
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Rotate the phone to Landscape. Note: If I tap the screen again while in this mode, the UI reappears and the issue persists (stuck covering the screen).
Environment:
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App: Sketch (TestFlight Beta)
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Version: 2025.3.2 (220758)
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Device: iPhone 14 Pro
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OS: iOS 26.1



