diff --git a/ReleaseHistory.txt b/ReleaseHistory.txt
index 5e64bcf..a6738b9 100644
--- a/ReleaseHistory.txt
+++ b/ReleaseHistory.txt
@@ -1,4 +1,15 @@
 RELEASE NOTES
+------
+v0.5.0
+- Rough cut of "Part 1 - Probe" that is the region until bar 60, is completed.
+- Added real time playback speed control for seeking forward faster (also allows slow motion for debugging).
+- Connected to Unity cloud build.
+- Option for disabling debug GUI.
+
+------
+v0.4.1
+- Fix editor works but builds fail.
+
 ------
 v0.4.0
 - Implemented system for forming title texts on screen with planetesimals.