We recommend using the newest maintenance release of this version, 2018.1.28, which contains additional fixes.
Installation Guide Install and Configure Tableau Server
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Changes were applied to improve security. See ADV-2019-027, ADV-2019-028, and ADV-2019-030 in Security Bulletins for more details.
Calculations using DATEPART('second') returned unexpectedly rounded results in some cases.
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Up-to-date Tableau product issues that could impact your deployment.
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