A large extract refresh task could fail with error saying, "An error occurred while communicating with the data source The connection to the data source might have been lost. ExternalProtocol::PipeMessageSource::ReadBytes: Communication with the Tableau Protocol Server process was lost".

With the content security policy enabled, the sign-in button was unavailable for views with OAuth data sources set to prompt the user.

An install could fail on additional nodes of a cluster during initialization when 'svcmonitor.notification.smtp.port' is blank or a non-integer.

A Creator user could receive an error code 60011 when saving a data source in Web edit mode and the "let publishers embed credentials in a data source, flow, or workbook" is disabled.

When accessing a view within a Story, it would sometimes not be possible to open the underlying data using the View Data option for both Summary and Full.

A flow could fail to run on Tableau Server after being web edited.

A URL Action for "mailto" had incorrect formatting when compared to Tableau Desktop.

A "server response 400 null" error could occur using an OData URL with a date filter after upgrading to 2020.4.2.

On the Jobs menu, the Job Details popup would open only on the first selection and not on subsequent clicks.

A published SAP HANA extract that was multi-node connection could fail to refresh with the error, "Missing password" after upgrading to 2021.1.2.