IEOS Backend Services:     

1. Fixed compatibility issue with face match/PoA journey steps when capture media is set to the scanner
2. Added support for pdf file format upload for additional documents
3. Improved UI instructions/messages on triple scanning of frontside/backside of documents
4. Fixed additional document error on overridden journeys
5. Performance enhancement to prevent signalR spamming
6. Fixed document type error on journey/get for PoA documents
7. Added database version enforcement from config file
8. NHS COVID Pass improvements
a. COVID Pass step added to breadcrumbs
b. Toggle to enable COVID Pass step in admin portal to affect the journey result
c. COVID Pass step breadcrumb added to journey pdf reports
d. Added COVID Pass step to the journey HLR
e. Enhancements to NHS Admin Portal UI