Product release and download

Tableau Server 2020.4.8

We recommend using the newest maintenance release of this version, 2020.4.9, which contains additional fixes.

Download Tableau Server 2020.4.9


Build number

20204.21.0818.1952

Download Tableau Server 2020.4.8

Release date

Thu, 02 September, 2021

Product support

Read more

Installation Guide
Install and Configure Tableau Server

Planning to upgrade?
Tableau Server Upgrade Page


Resolved Issues

Issue ID Description
1275435

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".

1284322

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

1278151

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

1268523

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.

1257490

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

1272804

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

1280473

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


Download files