• Handling truthy and falsy values the way MongoDB does it (#651)
• Add support for group by DBRefs (#636)
• Implement $switch operator (#645)
• Add hint optional argument to bulk operations (compatibility with pymongo v3.11+)
• Mark new $regexMatch operator as not implemented
• Drop the test database rather than the test collection (#601)
• Implement $pop (#602)
• A little fix in the example (#644)
• Mark $mergeObjects as valid but not implemented
• DOC: Clarify how to use mongomock.patch with pymongo (#640)
• Add many operators from 3.4 release as NotImplemented
• Raise a WriteError when trying to update with an empty $set. (#623)
• Add context mananger methods to mongomock client (#633)
• Implement $arrayToObject operator (#624)
• Add support for read concern (#628)
• Implements $setEquals operator (#596)
• Update README.rst (#621)
• Support $sum decimal type of values (#618)
• Compare UUID values. (#616)
• Test and fix sorting between mixed types
• Fix travis config
• $addField(fix): fix the not exist case in $toInt and $toDecimal (#612)
• Add $toDecimal operator (#610)
• Project missing fields in a nested dict fix (#605)
• Dot support for localField (#603)
• Fix grammar (#600)
• Mark TTL Index as not implemented
• Allow $all to be specified alongside other operators (#597)
• Handle the specific case of inserting a Timestamp(0,0) to be replaced by the current time. (#593)
• Add $dateToString opeartor (#590)
• Support for $slice operator in projection argument (#588)