Several changes were applied to improve security. See ADV-2017-17, ADV-2017-19, ADV-2017-20 and ADV-2017-21 in Security Bulletins for more details.
Publishing a workbook with a custom SQL data source containing certain special characters would fail with an error.
With recent updates to the Amazon Redshift driver, connections could fail with a no pg_hba.conf entry for host error. A workaround was to republish workbooks or data sources with Require SSL checked in the data connection.
Desktop license reporting would sometimes show duplicate entries with missing product keys.
An invalid JSON error would occur when loading certain dashboards that contained 1 pixel wide objects.
In some cases, complex queries sent from Data Server processes would cause Data Engine processes to consume excessive memory and eventually crash.
An internal error would sometimes occur when loading views after upgrading to Tableau Server 10.2.3 or 10.3.1 and higher.
Session Ended by Server errors would frequently occur when lazy connections were disabled.
Existing workbooks containing Hive or Impala connections with embedded passwords failed to load after upgrading to Tableau Server 10.2 or higher from a previous version.
When you published a statistical file to Tableau Server as a data source, Name unavailable would be displayed in the Connects To column in the Data Sources view on Tableau Server. Republishing the data source is required to correct the problem.
Tabcmd response times would slowly degrade when the tabcmd export command was repeatedly executed.
Tableau Server VizQL Server processes would sometimes crash repeatedly when a large number of users were concurrently using web authoring.
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