Update macOS minimum version (PowerShell#11163)

TravisEz13 · iSazonov · commit b60381f92281 · 2019-11-24T17:41:53.000+05:00
diff --git a/README.md b/README.md
@@ -39,7 +39,7 @@ You can download and install a PowerShell package for any of the following platf
 | [Red Hat Enterprise Linux 7][corefx-linux] | [.rpm][rl-centos]       | [.rpm][pv-centos]     | [Instructions][in-rhel7]      |
 | [openSUSE 42.3][corefx-linux]              | [.rpm][rl-centos]       | [.rpm][pv-centos]     | [Instructions][in-opensuse]   |
 | [Fedora 28][corefx-linux]                  | [.rpm][rl-centos]       | [.rpm][pv-centos]     | [Instructions][in-fedora]     |
-| [macOS 10.12+][corefx-macos]               | [.pkg][rl-macos]        | [.pkg][pv-macos]      | [Instructions][in-macos]      |
+| [macOS 10.13+][corefx-macos]               | [.pkg][rl-macos]        | [.pkg][pv-macos]      | [Instructions][in-macos]      |
 | Docker                                     |                         |                       | [Instructions][in-docker]     |
 
 You can download and install a PowerShell package for any of the following platforms, **which are supported by the community.**
diff --git a/docs/building/macos.md b/docs/building/macos.md
@@ -3,7 +3,7 @@
 This guide supplements the [Linux instructions](./linux.md), as
 building on macOS is almost identical.
 
-.NET Core 2.x (and by transitivity, us) only supports macOS 10.12+.
+.NET Core 2.x (and by transitivity, us) only supports macOS 10.13+.
 
 ## Environment
 
diff --git a/test/hosting/hosting.tests.csproj b/test/hosting/hosting.tests.csproj
@@ -5,7 +5,7 @@
   <PropertyGroup>
     <Description>PowerShell hosting SDK xUnit Tests</Description>
     <AssemblyName>powershell-hosting-tests</AssemblyName>
-    <!--RuntimeIdentifiers>win7-x86;win7-x64;osx.10.12-x64;linux-x64</RuntimeIdentifiers-->
+    <!--RuntimeIdentifiers>win7-x86;win7-x64;osx.10.13-x64;linux-x64</RuntimeIdentifiers-->
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/tools/packaging/packaging.psm1 b/tools/packaging/packaging.psm1
@@ -973,7 +973,7 @@ function New-MacOsDistributionPackage
     # 2 - package path
     # 3 - minimum os version
     # 4 - Package Identifier
-    $PackagingStrings.OsxDistributionTemplate -f "PowerShell - $packageVersion", $packageVersion, $packageName, '10.12', $packageId | Out-File -Encoding ascii -FilePath $distributionXmlPath -Force
+    $PackagingStrings.OsxDistributionTemplate -f "PowerShell - $packageVersion", $packageVersion, $packageName, '10.13', $packageId | Out-File -Encoding ascii -FilePath $distributionXmlPath -Force
 
     Write-Log "Applying distribution.xml to package..."
     Push-Location $tempDir
