[css-tables-3][editorial] Added Changes section

Author: SebastianZ

css-tables-3/Overview.bs

@@ -3419,6 +3419,21 @@ Using CSS Tables does not incur any privacy risk to mitigate.
 
 <!--——————————————————————————————————————————————————————————————————————————-->
 <h2 id="TODO">(link here for missing sections)</h2>
+
+<!--——————————————————————————————————————————————————————————————————————————-->
+<h2 id="changes">Changes</h2>
+
+Significant changes since the <a href="https://www.w3.org/TR/2019/WD-css-tables-3-20190727/">27 July 2019 Working Draft</a>:
+
+<ul>
+
+	<li>Referenced the terms [=paged media=] and [=continuous media=] from [[!MEDIAQUERIES-5]].
+	<li>Replaced mentions of '':matches()'' pseudo-class with '':is()''.
+	<li>Clarified that outer table elements behave according to their outer display type.
+	<li>Allowed ''overflow/clip'' to apply to [=table-root=] and [=table-wrapper=] boxes.
+
+</ul>
+
 <style>
 
 	.hint { opacity: 0.5; transition: opacity 0.25s; }