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Product release and download

Tableau Prep Builder 2019.4.2

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

Download Tableau Prep Builder 2019.4.2 Download latest version (Recommended)

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Tableau Prep is not available for mobile devices. Please log in from a desktop computer to download.

Download Unavailable

The download file for this version has been removed due to the security issues currently identified in CVE-2021-44228 and CVE-2021-45046. In order to address these security issues, you must update to the newest version of your desired Tableau product. For more information please see the Knowledge Article, Apache Log4j2 vulnerability (Log4shell)

Resolved Issues

Issue ID Description

In Italian [it-IT] "Remove Extra Spaces" and "Trim Spaces" have the same translations.


If a flow contains more than 13 alerts/errors in the Alerts pane, only the first 13 error messages display, the rest of the list is blank.


If not selecting all input nodes for a union, the "Save steps as flow" will fail. Copying some of the inputs to a union and pasting it into the same flow will cause the union step to display an error that can only be resolved by removing the union step and recreating it.


Localized "Named Range" string can produce inconsistent results in sheet matching pattern when using a different UI language in Prep Builder.


Custom SQL that runs on Tableau Desktop 2019.1.4 fails in Tableau Prep 2019.1.3 and 2019.2.2 with error "function pg_catalog.substring(jsonb, integer, integer) does not exist;".


Error with "Can't find field" after re-opening a flow with a column renamed and then type changed.


On MacOS an error occurs when saving or exporting a packaged flow if wildcard union was used containing names with certain Japanese characters. Saving the same flow on Windows does not show any error.


System error "Failure evaluating to database: Abstract query SELECT [field name] is not defined" when connecting to an excel file.


Tableau Prep CLI scheduling is not connecting to run flow. Reporting error code (%errorlevel%) is showing "0" stating that nothing is wrong, when Tableau Prep is unable to reach Tableau Server to publish flow.


When running a flow with a rows-to-columns pivot, the flow fails with the error "Cannot mix aggregate and scalar expressions".


Getting a Java Heap error in Prep 2019.2.3, where the flow used to run in Prep 2019.2.2, due to inefficient memory. (Flow now requiring x 3.5 more memory.)


Tableau Prep 2019.2.3 detects and displays a null value where in previous versions (2019.1.3 & 2019.2.2) the column contained no null values.


Running a flow in Tableau Prep 2019.2.3 outputs a different number of rows than in Tableau Prep 2019.1.4.


Running a flow sometimes resulted in the error "Failure evaluating to database: No such column".


Copy and pasting a union in a flow resulted in the following error "the step is missing one or more input"


When certain departments were selected, the registration window displayed every time Tableau Prep Builder was opened.


When publishing several steps by right clicking "Save Flow As" > "Publish to Server", the publish dialog starts off with the "Saved Steps" tag added to the published flow. However, if the user clicks around in the publish dialog, that tag disappears.


When running a flow of Oracle data that involves a join between two aggregates in Tableau Prep 2019.2.3, it gives the error "Something went wrong and we were unable to process output step: Failure parsing AQL: Oracle database error 972: ORA-00972: identifier is too long..."

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Build number, OSX

Release date

Wed, December 18, 2019