diff --git a/F16V4/Falcon_16_V4_Firmware_21.fl3 b/F16V4/Falcon_16_V4_Firmware_21.fl3
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diff --git a/F48V4/Falcon_48_V4_Firmware_21.fl3 b/F48V4/Falcon_48_V4_Firmware_21.fl3
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diff --git a/release_notes.txt b/release_notes.txt
index 9e2db4c..0c31912 100644
--- a/release_notes.txt
+++ b/release_notes.txt
@@ -157,7 +157,14 @@ Build 20 : 2022-06-11
     - Fix : Don't reset controller internal state when DHCP renew returns same IP address
     - Fix : Looped playlists just keep playing the first step
 
-Build 21 : 2022-xx-xx
+Build 21 : 2022-08-22
+    - Fix : Audio only and pause playlist steps not showing duration on status page
+    - Fix : Can't save more than 5 schedules
+    - Fix : Advanced tab shows when it shouldnt when connected via wifi
+    - Fix : Tighten up clock driving for clocked pixels
+    - Fix : Add an advanced option to disable temperature monitoring (contact us if you want to use this)
+    
+Build 22 : 2022-xx-xx
 
 *** If there is a fix in an unreleased build you believe would help fix an issue you are experiencing then reach out to us at 
 support@pixelcontroller.com and we will provide you a pre-release.