...
New Local Logout Requirement
A new logout requirement was determined by the business, whereby logging out of an application should not affect other logged in applications. In other words, applications should perform a local logout only. Global Logouts should not be used. If you have a scenario for global logout, please contact us in the slack or support channels. The directions for logout have been updated.
Unique session or cookie identifiers
In addition, there should be a unique session id (or unique cookie name) per tab. In the past, we advised that cookies should be based on your clientID. The new change is that the naming convention should be unique, so we recommend clientID + some unique string.
...