Changes were applied to improve security. See ADV-2018-001, 2018-002, 2018-003 and 2018-004 in Security Bulletins for more details.
In workbooks with hidden fields, downloading full data to CSV would show column headers for the hidden fields and no data in the columns.
The tabcmd publish command with the --replace flag did not correctly clean up old extract files and frequent use could cause your Tableau Server machine to run out of disk space. Restarting Tableau Server would let the extract clean up job run as expected.
When you tried to access a view in an OEM version of Tableau Server 10.5.0, an Unable to get property error occurred.
In environments with high memory usage, extract refreshes run using the Tableau Data Extract command-line utility or Tableau Bridge could be unexpectedly terminated with an error: The connection to the data source might have been lost
When searching for an Active Directory group from a secondary domain (i.e. specifying the name in SAMAccountName or UPN format) to import into Tableau Server, if you clicked Stop searching and import now the group would not be found due to the default domain being incorrectly appended to the group name.
Data Update Time, inserted into a visualization, did not update if the workbook connected to published data source that contained an incrementally refreshed extract or was refreshed using Tableau Bridge.
Fixed size dashboards failed to render when viewed in Internet Explorer 11 on a Windows 8.1 system at a browser zoom level other than 100%.
Field label shading would unexpectedly run into other columns and rows after publishing to Tableau Server.
The default number of backgrounder processes was incorrectly set to 1 when upgrading to or installing Tableau Server 10.5.
Upgrading to or installing Tableau Server 10.5 in a distributed environment would configure a Data Engine process on the primary node even if no other non-gateway processes were configured on it, resulting a warning: The cluster is above its license capacity, some workers may be unlicensed...
When you modified a filter selection in a custom view and then re-saved the custom view, the filter selections would sometimes revert to the original selections the next time the custom view was loaded.
Views embedded into a page in a different domain than Tableau Server, and authenticated using trusted tickets, would sign out immediately after signing in when loaded in Internet Explorer.
When connected to Denodo, generated queries would sometimes contain unnecessary case statements.
In some environments, searching published data sources from Tableau Desktop would be much slower for non-admin users signed into Tableau Server than for administrators.
Scheduled extract refreshes of workbooks or data sources based on web data connectors would fail in Tableau Server for Linux installed on an Ubuntu system.