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Tableau Prep 2026.1

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

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Starting in September, 2023, fixed defects can be found on this site. Additional defect information is available at https://help.salesforce.com/s/issues.

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Resolved Issues

Issue ID	Description
20213472	Tableau Prep Builder 2025.2 - When attempting to log in to Tableau Cloud or Server using SAML Okta, the Okta screen briefly appears before going blank
20258192	Tableau Prep Builder does not load when Turkish is used as operating system language on Windows
19168954	"Error: 0x80070658" Attempting to Install Tableau Prep Builder 2025.1.4 on non-English (United States) localized Windows Computers
20069247	The "Search in" Field in a Wildcard Union Input Node Becomes Blank in a Flow Created Using Prep Builder 2022.1
16680364	Unable to Output Date & Time Data to DATETIME Fields in Google BigQuery from Tableau Prep Builder
19392240	Tableau Prep Builder: If the Output Step Is Placed Inside a Group, the Custom Sql Within the Output Step Is Not Executed
18353076	Tableau Prep CLI Fails to Run a Flow if the Initial File in a Wildcard Union is Deleted
19966139	Input Path Parameter Is Expanded When Opening Flow in Tableau Prep Builder 2025.2
18979265	Output Field Cannot Be Modified When Configuring Incremental Refresh Since Tableau 2024.3.4
18064820	Unable to Uncheck "Add data quality warning" for Flow Linked Tasks in Tableau Cloud and Tableau Server

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