diff --git a/F16V4/Falcon_16_V4_Firmware_11.fl3 b/F16V4/Falcon_16_V4_Firmware_11.fl3
new file mode 100644
index 0000000..e13af8d
Binary files /dev/null and b/F16V4/Falcon_16_V4_Firmware_11.fl3 differ
diff --git a/F48V4/Falcon_48_V4_Firmware_11.fl3 b/F48V4/Falcon_48_V4_Firmware_11.fl3
new file mode 100644
index 0000000..5bd3814
Binary files /dev/null and b/F48V4/Falcon_48_V4_Firmware_11.fl3 differ
diff --git a/release_notes.txt b/release_notes.txt
index 78bcc71..30c000f 100644
--- a/release_notes.txt
+++ b/release_notes.txt
@@ -84,3 +84,9 @@ Build 10: 2021-10-10
     - Fix : When using wifi visualiser scrambles pixel ports
     - Fix : Wifi wont get date time and when it does if the time zone is negative it is updated incorrectly
     - Fix : Debug log wont download over wifi.
+    
+Build 11: 2021-10-18
+    - Fix : If running test and configuring string ports make sure the test channels are updated
+    - Fix : Fix FSEQ zlib over-read when playing back sequences. Was generating the warning at the end of a sequence
+    - Fix : WAV upload incorrectly reports WAV file as invalid when uploading via file manager
+