Merge branch '4.4.0'

diff --cc Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems
index b7c031c,9b0ab12..d8fbf18
--- 1/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems
--- 2/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems
+++ b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems
@@@ -40,10 -36,9 +40,11 @@@
        <DependentUpon>Issue7048.xaml</DependentUpon>
        <SubType>Code</SubType>
      </Compile>
 +    <Compile Include="$(MSBuildThisFileDirectory)Issue7181.cs" />
 +        <Compile Include="$(MSBuildThisFileDirectory)Issue5367.cs" />
      <Compile Include="$(MSBuildThisFileDirectory)Issue7253.cs" />
      <Compile Include="$(MSBuildThisFileDirectory)Issue7581.cs" />
+     <Compile Include="$(MSBuildThisFileDirectory)Issue7361.cs" />
      <Compile Include="$(MSBuildThisFileDirectory)Issue7621.xaml.cs">
        <SubType>Code</SubType>
      </Compile>
@@@ -111,9 -104,9 +113,10 @@@
      <Compile Include="$(MSBuildThisFileDirectory)Issue7803.xaml.cs">
        <DependentUpon>Issue7803.xaml</DependentUpon>
      </Compile>
 +    <Compile Include="$(MSBuildThisFileDirectory)Issue8087.cs" />
      <Compile Include="$(MSBuildThisFileDirectory)Issue8222.cs" />
      <Compile Include="$(MSBuildThisFileDirectory)Issue8167.cs" />
+     <Compile Include="$(MSBuildThisFileDirectory)Issue8366.cs" />
      <Compile Include="$(MSBuildThisFileDirectory)Issue8269.cs" />
      <Compile Include="$(MSBuildThisFileDirectory)RefreshViewTests.cs" />
      <Compile Include="$(MSBuildThisFileDirectory)Issue7338.cs" />