It has not passed New Feature Qualification[1] yet, which has to be done before it can be merged to trunk. You can see the state of it from a presentation earl

It has not passed New Feature Qualification[1] yet, which has to be done before it can be merged to trunk. You can see the state of it from a presentation earlier this month: https://www.slideshare.net/DagHWanvik/sql-window-functions-for-mysql https://www.slideshare.net/DagHWanvik/sql-window-functions-f... [1] http://mysqlserverteam.com/new-feature-qualification/ http://mysqlserverteam.com/new-feature-qualification/