This major release is focused on performance and quality, expect a more stable and faster IDE. It also brings full support for PHP 7.4, PSR-12 code style, WSL for remote interpreters, MongoDB support, HTTP Client updates, and many usability improvements!
Here at XOOPS we love PhpStorm!!! It is clearly the best PHP Editor ever, and we appreciate the support from JetBrains, the company behind PhpStorm!!!