WebStorm 2016.2.4 is now available! You can download it from our website. A patch-update should be available, if you’re using WebStorm 2016.2.2 or 2016.2.3.
WebStorm 2016.2.4 addressed the issues with scrolling on macOS Sierra and brings over 30 bug-fixes. You can find a full list of addressed issues in the Release notes.
Your WebStorm Team