Hi, yes you are right Highstock v1.1.4 was built on Highcharts v2.1.9
We added some features to Highcharts v2.2.0 that at the time was not compatible with Highstock (main reason was the logarithmic scales). Anyways, two days ago we merged the branch for Highcharts v2.2.0 back to master (
https://github.com/highslide-software/h ... 3bc230ba11) so the next major build of Highstock will contain the features in Highcharts v2.2.0.