diff --git a/CHANGELOG.md b/CHANGELOG.md
index 96e8644d..32a214f2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Unreleased Features
 Please add a note of your changes below this heading if you make a Pull Request.
 
+# Unreleased
+## Fixed
+* Serious reliability issue with USB communication where packets on Native and the CDC interface would collide with each other.
+
 # Releases
 ## [0.4.3] - 2018-08-30
 ### Added