diff --git a/EDDI/ChangeLog.md b/EDDI/ChangeLog.md
index ece779749f..9ef0a82da5 100644
--- a/EDDI/ChangeLog.md
+++ b/EDDI/ChangeLog.md
@@ -2,6 +2,14 @@
 
 Full details of the variables available for each noted event, and VoiceAttack integrations, are available in the individual [event pages](https://github.com/EDCD/EDDI/wiki/Events).
 
+### 3.4.1-b2
+  * Core
+    * Reconfigured the installer to improve backwards compatibility between EDDI versions
+    * Fixed a bug with deep-space system look-ups of EDSM data (where EDSM returns no results)
+  * Speech responder
+    * Revised the `Mission faction state` script to gracefully handle faction states like "None".
+    * Fixed a bug with the `MaterialDetails()` function when only one parameter was supplied.
+
 ### 3.4.1-b1
   * Core
     * All 'Location' events are now processed (repeats of this event are no longer suppressed).