All relevant changes are listed below.
New features
[ONEP-1914] - Customise oauth2 login page caption
[ONEP-1915] - Show client logo in oauth2 login page
[ONEP-1916] - Oauth2 login logos optional
[ONEP-1919] - OAuth2 client logo upload (in addition to icon)
Improvements
[ONEP-1921] - OAuth registration move field captions above fields
Bug fixes
[ONEP-1920] - OAuth user registration required fields not all checked thoroughly enough
[ONEP-1922] - OAuth user registration date field shows sometimes "null" texts
TIS v3.9.1 (released 26-Jun-2020)
Small customer specific regression fix.