--- a/ttml-ww-profiles/substantive-changes-summary.txt	Wed Jun 03 23:24:39 2015 -0600
+++ b/ttml-ww-profiles/substantive-changes-summary.txt	Thu Jun 04 07:39:22 2015 -0700
@@ -5,10 +5,12 @@
 **********************************
 
 
-NOTE: This summary is provided for illustration only. For an exhaustive list of changes, please
+NOTE 1: This summary is provided for illustration only. For an exhaustive list of changes, please
 refer to the changesets at https://dvcs.w3.org/hg/ttml/summary or use the W3C diff tool at
 http://services.w3.org/htmldiff across published versions of the specification.
 
+NOTE 2: Issues and their dispositions are documented at http://www.w3.org/AudioVideo/TT/tracker/
+
 
 From WD (20140330) to CR (20141209)
 ===================================
@@ -20,3 +22,25 @@
 * Clarified that the namespaces defined by this specification are mutable and that
   all undefined names in these namespaces are reserved for future standardization by the W3C
   (Section 6.3)
+
+From CR (20141209) to CR (20150601)
+===================================
+
+* ISSUE-364: when expressed in pixels, the extents of the root container
+  is no longer required to be equal to the dimensions of the related video object frame
+
+* ISSUE-367: adopted initial values for @tts:displayAlign and @tts:textAlign
+  as defined in TTML 1SE
+
+* ISSUE-375: clarified constraints on @ebutts:linePadding and
+  @ebutts:multiRowAlign position per EBU-TT-D normative reference
+
+* ISSUE-377: adopted rounding rules as defined in TTML 1SE
+
+* ISSUE-378: the product of @ttp:frameRate and @ttp:frameRateMultiplier is no longer
+  required to be equal to the frame rate of the related video object
+
+* ISSUE-382: recommended practice added for the use of @begin and @end attributes
+  on content elements
+
+* ISSUE-388: the presence of @ttp:timeBase is no longer required
\ No newline at end of file