updated release notes

Author: spiegelp

ReleaseNotes.md

@@ -188,6 +188,10 @@ Please change your configuration according to [App.xaml](https://github.com/spie
 * Current directory path optionally as text box in file system controls
 * `IconTemplate` property for `NavigationItem`
 * Handle setting of `TabControlStepper.SelectedIndex`
+* New properties to control tab control item headers
+  * `TabHeaderFontSize`
+  * `TabHeaderFontWeight`
+  * `TabHeaderMargin`
 * Layout improvements for `MaterialWindow`
 * New `SearchBase.CancelIcon` and `SearchBase.ClearIcon` properties
 #### Fixes

docs/snippets/releasenotes.html

@@ -18,6 +18,14 @@ <h3>Features</h3>
         <li>Current directory path optionally as text box in file system controls</li>
         <li><code>IconTemplate</code> property for <code>NavigationItem</code></li>
         <li>Handle setting of <code>TabControlStepper.SelectedIndex</code></li>
+        <li>
+            New properties to control tab control item headers
+            <ul>
+                <li><code>TabHeaderFontSize</code></li>
+                <li><code>TabHeaderFontWeight</code></li>
+                <li><code>TabHeaderMargin</code></li>
+            </ul>
+        </li>
         <li>Layout improvements for <code>MaterialWindow</code></li>
         <li>New <code>SearchBase.CancelIcon</code> and <code>SearchBase.ClearIcon</code> properties</li>
     </ul>