HiDPI support for Windows/Linux (scaled icons/font-size, no blur); if you have any troubles with that, please, go to the corresponding issue;
new project template for ReactJS and Flux apps based on ReactJS starter kit;
a new option to Copy as rich text by default?(you can read about that in a post in IntelliJ>
opportunity to add multiple selections with the mouse;
version control integration improvements: log viewer with filtering by repository, annotation coloring now indicates the dates of changes: green for recent changes, red for older changes.