fix(Navigation): Use NullLogger fallback with diagnostic warning and add documentation to prevent crash when Region.Attached is used in ExtendedSplashScreen (backport #2958) - #2968

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kazo0 merged 8 commits into

release/stable/7.0from

mergify/bp/release/stable/7.0/pr-2958

Dec 3, 2025

Commits on Dec 1, 2025

fix: Use NullLogger as fallback in Region.Logger to prevent NullReferenceException when Region.Attached is used before NavigationHostedService starts

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kazo0
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74ea12e
fix: Add warning message when Region.Logger is accessed before initialization

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kazo0
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e360e9d
fix: Use Interlocked.CompareExchange for thread-safe warning flag

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kazo0
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f7c3be8
fix: Use Debug.WriteLine for clearer diagnostic message about deferred region initialization

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kazo0
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172e068
docs: Add documentation about avoiding Region.Attached in Shell.xaml content

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kazo0
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ac697db
docs: Add Region.Attached warning to Walkthrough/DefineRegions.md

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kazo0
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23f6d56
chore: remove unnecessary code
kazo0
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538dde0
chore: markdown fix
kazo0
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98b48b5