Windchill REST Services > Version Changes in Domains > WRS 2.0 to WRS 2.7 > Version Changes in Domains for Windchill REST Services 2.5
  
Version Changes in Domains for Windchill REST Services 2.5
The following new versions for the existing and new domains are implemented in Windchill REST Services 2.5:
Domain
New Version Number
Reason for Versioning
PTC UDI Domain (UDI)
v4
Enhanced the domain to support:
• Revisable UDI super set.
• The Subject action for non-revisable UDI super set, as the SubmittedFor action is deprecated.
A detailed list of changes is available in the Release Notes.
* 
Starting with WRS 2.5, v4 is the default version of the UDI domain.
PTC View Management Domain (ViewMgmt)
v1
New domain added. See PTC View Management Domain.