Mongoid v2.2.1 Release Notes
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Resolved Issues
#1210, #517 Allow embedded document relation queries to use dot notation. (Scott Ellard)
📄 #1198 Enumerable target should use criteria count if loaded has no docs.
#1164 Get rid of remaining no method in_memory errors.
#1070 Allow custom field serializers to have their own constructors.
📄 #1176 Allow access to parent documents from embedded docs in after_destroy callbacks.
#1191 Context group methods (min, max, sum) no longer return NaN but instead return nil if field doesn't exist or have values.
#1193, #1271 Always return Integers for integer fields with .000 precisions, not floats.
🐎 #1199 Fixed performance issues of hash and array field access when reading multiple times.
🛠 #1218 Fixed issues with relations referencing models with integer foreign keys.
🛠 #1219 Fixed various conflicting modifications issues when pushing and pulling from the same embedded document in a single call.
📇 #1220 Metadata should not get overwritten by nil on binding.
💎 #1231 Renamed Mongoid's atomic set class to Sets to avoid conflicts with Ruby's native Set after document inclusion.
#1232 Fix access to related models during before_destroy callbacks when cascading.
🔀 #1234 Fixed HABTM foreign key synchronization issues when destroying documents.
#1243 Polymorphic relations dont convert to object ids when querying if the ids are defined as strings.
#1247 Force Model.first to sort by ascending id to guarantee first document.
#1248 Added #unscoped to embedded many relations.
#1249 Destroy flags in nested attributes now actually destroy the document for has_many instead of just breaking the relation.
🔧 #1272 Don't modify configuration options in place when creating replica set connections.