Mongoid v2.1.5 Release Notes
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Resolved Issues
#1116 Embedded children retain reference to parent in destroy callbacks.
📇 #1110, #1115 Don't memoize metadata related helpers on documents.
#1112
db:create_indexes
no longer indexes subclasses multiple times.#1111, #1098 Don't set
_id
in$set
operations.⚡️ #1007 Update attribute properly tracks array changes.