What makes the diagram "Changes" toggle appear?

Applies to: Version 17.8 and later.

For Cloud Customers - relates to: Release notes - Cloud.

For On-Prem Customers - relates to: Release notes 17.8 (17.8.0.803)

For Users with the Item Role Permission to "See unapproved" changes, the new Changes toggle appears for both Web Diagrams and Client Diagrams if any of the enterprise objects described by the diagram (or shapes in it) have been modified after the diagram was checked in. If there are no changes, the Changes toggle will not appear.

Examples of qualifying events for a Described object include, but are not limited to:

Name change
Move
Deletion
Summary/Purpose/Instruction changes
Relationship changes
Custom Property changes
Described By changes triggered by Approval time promotion (as these happen after check in)
Changes to any other object based settings (e.g. Resource type, Risk Category, Work Product Layer, etc)

Examples of events that will not trigger for a Described object include, but are not limited to:

Copying
Permission changes
Administrative Owner changes
Performance Indicator Data

Examples of other events that will not trigger include, but are not limited to:

Renaming the Diagram itself
Changes to the subtypes of Risks and Risk Instances, Performance Indicators, Controls and Control Instances, Capabilities, Opportunity and Opportunity Instances, and Journeys
Indirect relationship changes on a described object which has a Supported By-relationship to another object. Changes to that object will not affect the changes toggle in the originating diagram