Alongside the tasks listed in the linked forum Thread...

When there are a lot of artifacts to resolve, the ClasspathWorkspaceReader takes an unreasonable about of time. Consider:

final File[] files = Maven.resolver().loadPomFromFile("pom.xml").importRuntimeAndTestDependencies().as(File.class);

Determine the source of the bottleneck. Also review if we should continue with this enabled by default, or if should be switched on by the user when needed.