Template test build version 4.55-SNAPSHOT.
The test build will work only for a fresh install. Fix confirmed.
https://supportftp.broadcom.com/0916892/33302261/files_from_broadcom/url_response_mcs_templates-4.55-SNAPSHOT.zip
Step to apply the build:
1. Download the build and deploy it to the local archive on the Primary hub
2. Deploy the new template (url_response_mcs_templates-4.55-SNAPSHOT.zip) to the Primary hub
3. Create a NEW profile
3. Disable the QoS for -> url_firstbyte_time
4. The QoS was no longer sent once it was disabled in the mcs profile within OC.