[net9.0] Merge main to net9.0 #26001
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### Description of Change
Fixes a long-standing crash when navigating pages:
1. Manually clear the `ContentPresenter.Content` property.
When navigating pages it was discovered that the `Content` property of
the `ContentPresenter` sometimes was not being detached from the parent
`ContentPresenter` (the `ContentPresenter` itself does detach from the
Page). A workaround for this was to manually clear the `Content`
property.
**The actual cause of this bug:** I suspect that something causing the
lifecycle tracking to be messed up. I'm still not sure what this is, but
for now this will help our customers more than nothing.
## Workaround
The following can be used as a workaround. Place it in the `Loaded`
event for your `AppShell`:
```csharp
private void AppShell_Loaded(object? sender, EventArgs e)
{
Loaded -= AppShell_Loaded;
#if WINDOWS
if (Handler != null && Handler.PlatformView is ShellView shellView &&
shellView.Content is MauiNavigationView nv &&
nv.Content is Microsoft.UI.Xaml.Controls.Frame frame)
{
frame.Navigating += (s, e) =>
{
if (frame.Content is Microsoft.UI.Xaml.Controls.Page page)
{
page.Unloaded += PageUnloaded;
void PageUnloaded(object sender, Microsoft.UI.Xaml.RoutedEventArgs e)
{
page.Unloaded -= PageUnloaded;
if (page.Content is Microsoft.UI.Xaml.Controls.ContentPresenter presenter)
{
presenter.Content = null;
}
};
}
};
}
#endif
}
```
### Issues Fixed
Fixes #22790 #18441 #22131
undefined
* Changes in randomly failing UITests * Updated snapshots
don't get the property on the array type but on the element type - fixes #25819
* Fix signing fonts * update public yaml * Add _RunAsPublic * With rename * again * again * again * Comment * Dont validate sigining * Try again
* Add maui-template-steps * fix naming * Try to provision on devdiv try fix Try provision on devdiv More provision Do provisioning on devdiv try again fix Try with secrets * Try centralize demands * fix demands * fix * Fix pool * Use a global variable * try again * teste * try * this works * Try again * use for templates * Try more variable for provisionator * See if it works like this on xamarin * Add condition for mactemplates * Fix provisioning device tests * Fix pool
rmarinho
requested review from
jsuarezruiz
and removed request for
tj-devel709
samhouts
added
the
fixed-in-net9.0-nightly
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Description of Change
Bring latest changes from main to net9.0