Announcing SQL Server 2017 Cumulative Update 14

What comes after a baker’s dozen of cumulative updates? CU14, that’s what, and it includes a really long list of fixes. I’m only gonna hit the highlights here:

  • Non-yielding scheduler when there is a “heavy use” of prepared statements
  • Columnstore index build times out after 25 seconds
  • sys.fn_hadr_backup_is_preferred_replica returns true for multiple replicas when there can be only one
  • Access violation and the server stops unexpectedly when you use Extended Events (SEE ERIN THIS IS WHY I’M #TEAMPROFILER)
  • Assertion failure when a trigger does a cross-database transaction in an Availability Group (repro video)
  • Patching fails if the SA account is renamed
  • “Query results are not as expected when you run a particular query” LOL
  • Corruption-sounding error when you back up to a drive with low space
  • Filtered nonclustered columnstore indexes on top of a clustered columnstore index may not be maintained correctly (Xzibit called)
  • Trace flag 460 throwing false errors on table variables (just blogged about this)
  • DBCC STACKDUMP doesn’t

Go get ’em, tiger.

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