diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 95cea906..a30747a6 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 ## 1.0.0
+### 1.0.0-rc.121
+This is an UNSTABLE release.
+
+* jfjoch_broker: Report changes in the image buffer, so viewer doesn't reload constantly
+* jfjoch_viewer: Improve performance of loading images
+* jfjoch_viewer: Auto-throttle image loading in HTTP-sync / movie modes
+* jfjoch_viewer: Auto-foreground calculated with histogram
+
 ### 1.0.0-rc.120
 This is an UNSTABLE release.