Changes were applied to improve security. See ADV-2018-007, ADV-2018-008 and ADV-2018-010 in Security Bulletins for more details.
When publishing a .TDE to Tableau Online or Tableau Server 2018.1.0 via the Tableau SDK, a BAD_PAYLOAD - Unknown response from the server. Make sure this version of the Tableau API is compatible with your server. error sometimes occurred.
751254, 836079, 742885
Publishing a large workbook would fail with an HTTP 502 error if the publishing process took longer than the wgserver.session.idle_limit setting value.