The ability to view project history was incorporated within the ability to view a Project. However, to improve an organization’s security and access to the issue and dependency information, we are making
View Project permission more granular by adding a new permission,
View Project History. This will allow you to have more granular control of access to Project history.
We will be rolling out the change from March 16th, and all standard and existing custom roles will automatically have this new permission incorporated. There will be no disruption to the user experience. You will be greeted with a message to inform you that they have insufficient permissions if you attempt to view any snapshot data without your role having the permission.
If you have a custom role and you do unexpectedly encounter this issue, the solution is to apply the new permission,
View Project History to the role if deemed required.
For more information, please read the member roles documentation