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Mongoid v5.0.0 Release Notes

  • Major Changes (Backwards Incompatible)

    • 💎 Mongoid now uses the official Mongo Ruby Driver 2.x instead of Moped.

    • 👀 Most driver specific configuration options have changed, please see here for the new options.

    • 🔧 All references to session are now replaced with client. This includes the mongoid.yml configuration, store_in options, and all exceptions and modules with Session in the name.

    • find_and_modify has been removed and replaced with 3 options: find_one_and_update, find_one_and_delete and find_one_and_replace.

    • 🚚 text_search has been removed as it is now a $text option in a query from 2.6 on.

    • 👍 Mongoid no longer supports MongoDB 2.2 - support is now for only 2.4 and higher.

    • #3768 first and last no longer add an _id sort when no sorting options have been provided. In order to guarantee that a document is the first or last, it needs to now contain an explicit sort.

    • 🚚 Document#deleted? alias has been removed, please continue to use Document#destroyed?.

    🆕 New Features

    • #4016 Allow private and protected setters on fields for atomic operations. (Rob Smith)

    • #3985 Return nil when using {upsert: true} in find_and_modify (Adrien Siami)

    • #3963 Allow extended JSON object ids to be passed to find.

    • #3846 Allow #pluck when none is used in criteria. (Braulio Martinez)

    Resolved Issues

    • #4091 Use sublcass context when calling a scope defined in a superclass. (Edgars Beigarts)

    • 🚚 #4075 Made remove index logging specific to each index that was actually getting removed.

    • 🛠 #4071 Fixed loading of enumerable relation to check the added documents when iterating.

    • #4077 Many relations now include Enumerable.

    • 🛠 #4052 Fixed uniqueness validation on localized fields with no value.

    • ⚡️ #4033 Removed all uses of the $ positional operator in atomic updates.

    • 👯 #4030 Dup/clone exceptions auto-include dynamic attributes.

    • 🚅 #4005 Fixed inclusion of mongoid with Rails components that don't have the Rails environment.

    • 👯 #3993 Fixes issue where dup/clone fails for embedded documents that use store_as without using Mongoid::Atributes::Dynamic

    • 🛠 #3991 Fixed emebdded documents not flagging as changed after calling #changed? and modifying the child elements.

    • #3874 Adding snapshot option to context.

    • 🚅 #3868 Loading models in rake tasks now expands the rails path.

    • 🛠 #3764 Fixed case statement check for enumerable targets.

    • 🛠 #3740 Fixes Missing attribute: '_id' error when using methods only or without (dx7)

    • 🛠 #3631 Fixes issue where before_save callback can get called twice after a child create

    • 0️⃣ #3599 Fixed application of default scopes from superclass in subclasses.

    • 🛠 #3104 Fixed enumerable targets to check first/last in proper order.