All installers include custom build of JRE 1.8.
THIS IS AN EARLY ACCESS VERSION OF THE PRODUCT. YOU EXPRESSLY ACKNOWLEDGE THAT THIS VERSION OF THE PRODUCT MAY NOT BE RELIABLE, MAY NOT WORK AS INTENDED, AND MAY CONTAIN ERRORS. ANY USE OF THE EAP PRODUCT IS AT YOUR OWN RISK.
Please remember to install .zip & .tar.gz versions into COMPLETELY EMPTY FOLDER. Do not just unpack over the previous version!
Follow product updates on Twitter or select the Early Access Program channel for updates in the IDE (Preferences | Appearance & Behavior | System Settings | Updates) to be notified when the next Early Access Program build is available.