# Changelog for Highmaps v4.2.4 (2016-04-14)
        
- Most changes listed under Highcharts 4.2.4 above also apply to Highmaps 4.2.4.
- Added [mapNavigation.mouseWheelSensitivity](https://api.highcharts.com/highmaps#mapNavigation.mouseWheelSensitivity) option for zooming.

## Bug fixes
- Fixed #4505, errors from crosshairs while dragging after zooming.
- Fixed #4740, realign zoom buttons after chart is rendered.
- Fixed #4981, dashStyle didn't work on IE.