Highcharts introduces legend paging
We’re proud to present Highcharts version 2.2.4. We took the opportunity to sneak in a new feature in this minor update: legend paging. From now on, if the legend content overflows the space designated for the legend box, a paging control will appear at the bottom.
Also, this version includes a major refactoring job internally in Highcharts. The monolithic Chart object was split up into smaller prototypes that are extendible from the outside. This will ease maintenance for us, but also provide simple plugin creation and patching for power users.