github.com/cs3org/reva/v2@v2.27.7/changelog/2.13.0_2023-05-02/opaque-space-group.md (about)

     1  Enhancement: Opaque space group
     2  
     3  extend the opaque map to contain an identifier to see if it is a user or group grant.
     4  
     5  https://github.com/cs3org/reva/pull/3574