Add test to 'Adding System.Windows.Media.Animation.BackEase as known type.'

.github/ISSUE_TEMPLATE/bug_report.md

@@ -11,9 +11,9 @@ assignees: ''
 * Windows version: (`winver`)
 * Does the bug reproduce also in WPF for .NET Framework 4.8?: Yes/No
 * Is this bug related specifically to tooling in Visual Studio (e.g. XAML Designer, Code editing, etc...)? If yes, please file the issue via the instructions [here](https://docs.microsoft.com/visualstudio/ide/how-to-report-a-problem-with-visual-studio?view=vs-2019).
-* Security issues and bugs should be reported privately, learn more via our [responsible disclosure guidelines](https://github.com/dotnet/wpf/blob/master/README.md#reporting-security-issues-and-security-bugs).
+* Security issues and bugs should be reported privately, learn more via our [responsible disclosure guidelines](https://github.com/dotnet/wpf/blob/main/README.md#reporting-security-issues-and-security-bugs).
 
- <!-- Read https://github.com/dotnet/wpf/blob/master/Documentation/issue-guide.md -->
+ <!-- Read https://github.com/dotnet/wpf/blob/main/Documentation/issue-guide.md -->
 
  **Problem description:**
 

.github/ISSUE_TEMPLATE/feature_request.md

@@ -9,4 +9,4 @@ assignees: SamBent
 
 Is this feature request related specifically to tooling in Visual Studio (e.g. XAML Designer, Code editing, etc...)? If yes, please file the request via the instructions here: https://docs.microsoft.com/visualstudio/ide/suggest-a-feature?view=vs-2019
 
-<!-- Read https://github.com/dotnet/wpf/blob/master/Documentation/issue-guide.md -->
+<!-- Read https://github.com/dotnet/wpf/blob/main/Documentation/issue-guide.md -->

PULL_REQUEST_TEMPLATE → .github/PULL_REQUEST_TEMPLATE.md

@@ -1,4 +1,4 @@
-Fixes Issue <!-- Issue Number -->
+Fixes # <!-- Issue Number -->
 
 Main PR <!-- Link to PR if any that fixed this in the main branch. -->