There is an updated pull request by 2asoft against master on the void-packages repository

https://github.com/2asoft/void-packages 2asoft/jetbrains-intellij-pro
https://github.com/void-linux/void-packages/pull/11736

New packages: intellij-idea-ultimate-edition-2019.3.1
This based on the existing `intellij-idea-community-edition`.

I'm explicitly removing the JetBrains JDK and requiring JetBrains' custom JDK instead.

A patch file from https://github.com/void-linux/void-packages/pull/11736.patch is attached