CloudBees Pipeline: Templates Plugin 3.737

When configuring a Multibranch Pipeline folder, an SCM source (such as Git or GitHub) is required. Multiple sources are permitted, though rare. To differentiate between multiple sources in one folder, each has an id property, which is hidden from the UI but saved to disk and may be specified in the CasC items.yaml file. Previously, if a Multibranch folder was created from XML or CasC without an explicit id, a random UUID was assigned. In an HA controller, the value could differ between replicas until the folder was saved, potentially causing inconsistent behavior. Now, the first source is assigned an id of 1, the second 2, and so on. Explicit or previously persisted id values remain unchanged.