Tableau Server 8.3.8

When you filtered on a field that wasn't displayed in the view, search in a Wildcard Match quick filter was case sensitive, which it shouldn't have been.

Sometimes after you made web edits, and then closed and reopened the page, you could not use the Revert option.

Tableau Server License Manager sometimes did not correctly put quotation marks around parameters that included whitespace characters, such as spaces.

Sometimes when you blended data from a cube and another data source, an error occurred when you selected the View Data or Export Data commands.

Sometimes when you used the Tableau Server REST API to update a site, all site users where changed to unlicensed.

A user could have sent a specially crafted request to Tableau Server that allowed the user to impersonate a different user. KB link: Security Advisory: Users Can Be Impersonated