diff --git a/CHANGES.rst b/CHANGES.rst
index 384dec98..89fdd2e5 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,16 @@
+pywb 2.6.0b4 changelist
+~~~~~~~~~~~~~~~~~~~~~~~
+
+* Update rules for IG rewriting to disable Dash `#662 <https://github.com/webrecorder/pywb/pull/662>`_
+
+* Support for adding custom resource records via PUT ``/<coll>/record`` `#661 <https://github.com/webrecorder/pywb/pull/661>`_
+
+* Fixes for URL encoding for query and remote index `#657 <https://github.com/webrecorder/pywb/pull/657>`_ and `#658 <https://github.com/webrecorder/pywb/pull/658>`_
+
+* Doc fixes for incorrect param name `#651 <https://github.com/webrecorder/pywb/pull/651>`_
+
+* Update to latest wombat.js (3.2.2)
+
 pywb 2.6.0b3 changelist
 ~~~~~~~~~~~~~~~~~~~~~~~
 
diff --git a/wombat b/wombat
index 14c16761..7e39214b 160000
--- a/wombat
+++ b/wombat
@@ -1 +1 @@
-Subproject commit 14c167613648c8a1679e6c31e2ebd5284ef94c81
+Subproject commit 7e39214b6635d70930a15a911744176caceef644