XEN DEVELOPMENT is a developer's resource for new developers wanting to build XenForo 2 add-ons. Experienced developers are also welcome to share their experienes and knowledge. This site is not affiliated with XenForo or a replacement for the official XenForo developer forums.
An error is returned on thread creation if a forum is not chosen in the WordPress post creation. The new code is available in the 2018.07.11 release to be done later today. This is a significant error for anyone allowing multiple authors.