Updated release notes for join
Updated release notes for join

geofffranks/spruce,thomasmmitchell/spruce,HeavyWombat/spruce,geofffranks/spruce,jszroberto/spruce,thomasmmitchell/spruce,thomasmmitchell/spruce,HeavyWombat/spruce,jszroberto/spruce,jszroberto/spruce,geofffranks/spruce,HeavyWombat/spruce