diff --git a/firmware/beta/pieeprom-2020-05-15.bin b/firmware/beta/pieeprom-2020-05-15.bin
new file mode 100644
index 0000000..7ef48f5
Binary files /dev/null and b/firmware/beta/pieeprom-2020-05-15.bin differ
diff --git a/firmware/beta/recovery.bin b/firmware/beta/recovery.bin
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diff --git a/firmware/release-notes.md b/firmware/release-notes.md
index 5ee00bd..ebf1a8b 100644
--- a/firmware/release-notes.md
+++ b/firmware/release-notes.md
@@ -1,5 +1,14 @@
 # Raspberry Pi4 bootloader EEPROM release notes
 
+## 2020-05-15 Add pieeprom-2020-05-15 beta with USB boot
+    * USB mass storage boot will NOT work without the updated firmware
+      start.elf binaries. These will probably be released via rpi-update
+      in a few days time.
+      This release simply helps to validate if there are regressions in
+      the current SD and Network boot modes.
+
+      * SELF_UPDATE and bootloader_update are now enabled by default.
+
 ## 2020-05-11 Garbage collect old binaries
     * Now that 2020-04-16 is has been released as the default production
       release move the old binaries to an old (deprecated) directory.