Customer properties, found in Customer > Customer properties, now have additional access control settings. Administrators can configure the access to a specific property within the conversations interface:
Full access: All roles will have full access, they can see and edit the values.
Read only access: All roles will see the value of the property, but may not edit it.
No access: Users with the role Agent cannot see and therefore also not edit the value of the property.
This give more control to you, in how you setup customer properties and who of your colleagues can access them.