Comparator view is not displaying changes correctly in Signavio Process Manager.
In some circumstances the compare view won't show diagram level attribute changes that might of occurred between revisions.
This is a known issue and has already been forwarded to our developers to get this fixed. If you are affected by this issue and want to be kept up to date about this issue, please create a ticket in our SAP Signavio Support Portal and reference the ticket number SPM-8449.
KBA , BPI-SIG-HUB-DC , Diagram Comparator for SAP Signavio , Known Error