The desicription of the Help/Discuss category here says
If something is not working as expected and you believe it to be in error, please post it in the bug category.
While the Bug category cannot get new topics.
And while we are at it, http://issues.gradle.org instructs
To raise new issues or bugs against Gradle, please use discuss.gradle.org.
Both places should be updated to direct users to GitHub issues if this is the current way to report bugs.