Erin Stellato (@erinstellato) of SQLskills shows how to use Extended Events to monitor for query plans with certain characteristics, such as joins missing predicates, columns missing statistics, and unmatched filtered indexes.
Aaron Bertrand (@AaronBertrand) shows some interesting maintenance opportunities for Service Broker queues available in the next version of SQL Server.
Paul Randal (@PaulRandal) adds another chapter to his thorough series on knee-jerk wait statistics, focusing on the often-misunderstood PAGELATCH_XX waits.
Erin Stellato (@erinstellato) continues her popular series on proactively monitoring SQL Server, this time focusing on keeping your eye on wait statistics.