Adding to the changes section past edits not documented as changes.

Author: rachelandrew

css-multicol/Overview.bs

@@ -1734,12 +1734,20 @@ This appendix describes changes from the
    >Candidate Recommendation (CR) of 12 April 2011</a>.
 
 <ul>
-	<li>TBD
+	<li> The pseudo-algorithm has been revised on a number of occasions. <a href="https://lists.w3.org/Archives/Public/www-style/2013Feb/0471.html">Latest change Feb 2013</a>.
+	<li>Clarified that properties columns, column-width, column-count "apply to block containers". <a href="https://lists.w3.org/Archives/Public/www-style/2013Feb/0536.html">Ref: Feb 2013</a>
+	<li>Breaking properties have beeen moved from this specification to the CSS Fragmentation Module.
+	<li>Change to column-fill wording to clarify that column-fill is honored before page breaks. <a href="<a href="https://lists.w3.org/Archives/Public/www-style/2012Jan/0393.html">">Ref: Jan 2012</a>.
+	<li>Amended example and text to clarify what happens with margin collapsing and spanning elements. <a href="https://lists.w3.org/Archives/Public/www-style/2013Oct/0247.html">Ref: Oct 2013</a>. 
+	<li>Clarification that column-rule-width does not alter the size or placement of columns. <a href="https://lists.w3.org/Archives/Public/www-style/2013Sep/0550.html">Ref: Sep 2013</a>.
+	<li>Added that each column spanning element establishes a separate BFC margins between them collapse. <a href="https://lists.w3.org/Archives/Public/www-style/2011Dec/0262.html">Ref: Dec 2011</a>.
+	<li>Column rules are painted in the inline content layer, but below all inline content inside the multicol. <a href="https://lists.w3.org/Archives/Public/www-style/2013Feb/0363.html">Ref: Feb 2013</a>.
 	<li>Clarify that column-span causes the element to become a formatting context even if it is not in a multicol
 	<li>Column spanners do not always establish a <em>block</em> formatting context, but instead <a>become a formatting context</a>.
 	<li>Allow 'column-gap' to accept <<length-percentage>> instead of just <<length>>
 	<li>'column-width' and 'column-count' applies to <a>block containers</a> except <a>table wrapper boxes</a>
 	<li>Content that overflows columns is not clipped.
+
 </ul>
 
 <h2 class=no-num id=acknowledgments>