How can I set default project location for all projects in IntelliJ IDEA?

Required mininum version: IntelliJ IDEA 2018.2 EAP

IntelliJ IDEA 2018.2 EAP (Ultimate Edition)
Build #IU-182.2371.4, built on May 15, 2018
JRE: 1.8.0_152-release-1226-b7 x86_64

ability to specify the default directory for opening projects. In the
Preferences | Appearance & Behavior | System Settings in the Project
Opening section there is a new Default directory field where you can
set a directory.

direct link to open settings:
jetbrains://idea/settings?name=Appearance+%26+Behavior–System+Settings

more:

• https://blog.jetbrains.com/idea/2018/05/intellij-idea-2018-2-early-access-program-is-open/ (at the end)

• https://youtrack.jetbrains.com/issue/IDEA-84622