EAP 2018.1 will include loop refactoring to use SPL array_* functions. Nice!
If you happen to be anything like me, you spend a lot of time with APIs. JSON is a on your resume as a second language and you know the nerd-storm that PUT vs POST can cause. If you happen to also use PHPStorm you will find this new feature right up your alley.
An IN EDITOR REST client. I do not remember being this excited about a feature since EVE Online added missile turrets (circa June 2012).
Head over to JetBrains and check it out: https://blog.jetbrains.com/phpstorm/2017/09/editor-based-rest-client/