Fix BlazorWebView on iOS/MacCatalyst 18 #23906
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javiercn
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Jul 30, 2024
samhouts
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Description of Change
Starting wtih iOS/MacCatalyst 18 the internal
0.0.0.0address used to host the BlazorWebView's content no longer works and causes the BlazorWebView to not load and render as an empty rectangle. It turns out that usinglocalhostas the base address does work (credit to @veler for discovering and sharing this!). This change changes the default behavior to belocalhoston iOS/MacCatalyst 18 and newer. No other platforms are changed at all.I've added a back-compat switch to always use
0.0.0.0in case the new behavior causes any problem, which can be activated using this switch at the start ofMauiProgram.csin an app:I've started testing this and it looks good, but I have some more testing to do.
Issues Fixed
Fixes #23390