Replace/Remove the Slash Symbol (/) in Folder Names - upcoming Update

Summary:

Can someone confirm what this upcoming update really means? Teplace/Remove the Slash Symbol (/) in Folder Names

Content (please ensure you mask any confidential information):

Replace/Remove the Slash Symbol (/) in Folder Names - can someone confirm if this relates only to folders created in the application (like in Data forms, Reports, documents) or if the "/" here also refers to the syntax used in Data Integration for inbox or outbox subfolders?
 
The published Monthly update notes under 'Important Actions and Considerations" only has the following detail which leaves a lot of room for interpretation of what this actually means