Changes were applied to improve security. See ADV-2018-001, 2018-002, 2018-003 and 2018-004 in Security Bulletins for more details.
Extract refreshes using Tableau Bridge could intermittently fail with an error: Your connection has probably timed out. Try to reconnect to Tableau Server.
In some SSL-enabled environments, signing into Tableau Server from Tableau Desktop on a Mac would fail with an SSL Connect error.
In some cases, editing a set when connected to a cube data source would cause Tableau Desktop to crash.
When connected to Microsoft Analysis Services, deselecting (All) in a multiple values filter fails to exclude all members from the view if the filter is created using a set and both the set and the filter use the same condition formula.
In some cases, a Tableau Data Engine not writable error would occur when you tried to drop a dimension onto the Tooltip shelf in the Marks card.
In Tableau Desktop for Mac, the external protocol (tabprotosrv) process could sometimes consume 100% CPU when you canceled a query.