--- /dev/null
+From 1.x to 2.x
+=================
+
+- All classes uses `Masterminds` namespace.
+- All public static methods has been removed from `HTML5` class and the general API to access the HTML5 functionalities has changed.
+
+ Before:
+
+ $dom = \HTML5::loadHTML('<html>....');
+ \HTML5::saveHTML($dom);
+
+ After:
+
+ use Masterminds\HTML5;
+
+ $html5 = new HTML5();
+
+ $dom = $html5->loadHTML('<html>....');
+ echo $html5->saveHTML($dom);
+
+