Product release and download

Tableau Prep Builder 2019.3.1

We recommend using the newest maintenance release of this version, 2021.3.1, which contains additional fixes.

Download Tableau Prep 2021.3.1

Download Link Notice

The Windows version has been removed due to an issue with certificates preventing it from being able to install correctly. For more details, please see this Knowledge Base article.

If you are currently using macOS Catalina (version 10.15), please read this knowledge base article before downloading Tableau Prep Builder.

Build number

Download Tableau Prep Builder 2019.3.1

Release date

Tue, September 24, 2019

Product support

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Tableau Prep Builder version 2019.3.1 has been upgraded to build number to include important security enhancements. For more information about this change, please see ADV-2019-038 in Security Bulletins.

Resolved Issues

Issue ID Description

When changing the datatype from datetime to date for a "dateString" field on input node, this error displays:
"System error: Unable to run input node: Failure evaluating to database: all inputs to union must have matching column types".


Error "Failure evaluating to database: ERROR: db1 TableauTemp (table name) does not exist" when running flow.


Error "collation mismatch" when running a flow in Prep 2019.2.3 or 2019.2.2, but success with Prep 2019.2.1.


Accepting a Prep recommendation to map values to null, causes all data to disappear and profile pane goes blank.


Collation error when running attached flow with Excel and text files.


Google Big Query connector fails to launch on Mac.


When running an Output step, an error occurs "Failure evaluating to database: ERROR: collation mismatch, use COLLATE statements to resolve".


When launching Tableau Prep Builder 2019.2.2 or newer on macOS Catalina, the following error occurred: "Error Running Tableau Prep Builder. The My Tableau Prep repository is either read only or can't be found. Check that the repository location is in a directory with write permissions or contact your System Administrator" for more information, see this Knowledge Base article.


When installing or upgrading to a Tableau Desktop or Tableau Prep Builder version released after June 1st, 2019 on macOS Catalina, an "Tableau Desktop.pkg” can’t be opened because Apple cannot check it for malicious software." error occurred. This behavior is related to the macOS notarization process.

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