…entity() property is null for a composite key. This skips the rendering of the identity if it is null. However, it does not render the properties either since they are not considered persistentProperties(). It is recommended to use a custom marshaller as Composite keys, though supported, are not recommmended as per the documentation. Also updated project to gradle 6.5

… to frequent outages

…ased out

…being phased out"

This reverts commit 0fa91be.