The latest changes for the Intellij plugin are now available in the Jetbrains Marketplace. It can be installed directly in Intellij IDEA via the plugins section of the settings menu.
version 1.28.7 supports Intellij IDEA 2022.1 - 2022.2.*
version 1.29.2 supports Intellij IDEA 2022.3.*
Any help with fixing bugs and adding features is greatly appreciated. If you're keen on seeing D support in Intellij please visit https://github.com/intellij-dlanguage/intellij-dlanguage/ and take a look through the open issues.