[ZD-13928] Rebuild Jenkins dependency graph asynchronously to avoid blocking the user during large operations such as copying folders.
[ZD-14960] When updating templatized children of a templatized folder, do so asynchronously to avoid blocking the UI.
[JENKINS-21113] No item type restrictions from CloudBees Folders Plus were enforced when any permitted types were from job templates. (Update the CloudBees Folders plugin to 4.2 for this fix to be effective.)
[ZD-14374] Triggers such as that from the GitHub plugin were not correctly started when registered on a templatized job.