highslide-software/highcharts.com — Issue #783: Event: click on point in scatter chart doesn't work in Highcharts 2.2.0
Author: fusher
Created: 2012-02-24 13:00:46+00:00
State: open

But works in 2.1.9, examples:
2.2.1 : http://jsfiddle.net/Fusher/cDdVn/1/
2.2.0 : http://jsfiddle.net/Fusher/cDdVn/

Link to forum: http://highslide.com/forum/viewtopic.php?f=9&t=15459