Each process can have multiple versions. The Working Version of a process is the only version where modelers can make changes.
The Working Version is typically not visible for normal users.
It is considered a bad practice to mark the Working Version as the Valid Version, with a few exceptions.
For example,** for Reference Models the Working Version must be set as the Valid Version!**
In Stages V6.x and older versions, the Working Version was known as the Working Revision. This has been changed for consistency reasons, the behavior remained unchanged.