diff --git a/F16V4/Falcon_16_V4_Firmware_18.fl3 b/F16V4/Falcon_16_V4_Firmware_18.fl3
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diff --git a/F48V4/Falcon_48_V4_Firmware_18.fl3 b/F48V4/Falcon_48_V4_Firmware_18.fl3
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diff --git a/release_notes.txt b/release_notes.txt
index 723c7eb..5a367ad 100644
--- a/release_notes.txt
+++ b/release_notes.txt
@@ -132,18 +132,21 @@ Build 17 : 2022-03-28
     - Fix : Start introducing changes to reduce need to force reload web when upgrading firmware.
     - Fix : Build prompt not clearing after upgrade.
 
-Build 18 : 2022-xx-xx
+Build 18 : 2022-05-01
     - Fix : Audio conversion link broken.
     - Fix : Help link broken.
     - Fix : Record mode not working.
     - Fix : Visualiser broken.
     - Fix : Address a number of small UI behaviour anomalies.
     - Fix : Date shows wrong year
+    - Fix : Pixel output does not occur if first expected universe does not arrive
     - Enh : Enhance UI to be more responsive and thus useable on smaller devices.
     - Enh : Make a number of small UI useability improvements.
     - Enh : Add slow or incomplete network frame detection.
     - Enh : When recording display the recording status on OLED.
-    - Enh : Reduce page caching time to limit issues when upgrading.
+    - Enh : Reduce page caching time to reduce frequency of issues when upgrading.
+
+Build 19 : 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