Is branch versioning only required in context of Data Reviewer when data-reviewer based validation via attribute rules are in the mix? Or is branch versioning required for Data Reviewer to be used at all?
In ArcGIS Pro 3.0 and ArcGIS Enterprise 11, branch versioning is a requirement when implementing validation attribute rules in an enterprise geodatabase deployment. This includes when using Data Reviewer's checks to implement validation attribute rules.
In ArcGIS Pro 3.0, other QC workflows in Data Reviewer (such as visual review and automate validation using ArcMap-created Reviewer Batch Jobs) do not require branch versioning.