diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 1a0505579..92888e5b0 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -109,6 +109,7 @@ The latter links can be used for OTA upgrades too like ``OtaUrl http://ota.tasmo
 
 ## Changelog v12.0.2.1
 ### Added
+- Support for 5-channel light dimmer driver SM2335 used in SwitchBot Color Bulbs
 
 ### Breaking Changed