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- Release Notes for MongoDB 5.2 >
- Compatibility Changes in MongoDB 5.2
Compatibility Changes in MongoDB 5.2¶
Important
MongoDB 5.0 is a rapid release and is only supported for MongoDB Atlas. MongoDB 5.0 is not supported for use on-premises. For more information, see MongoDB Versioning.
The following 5.2 changes can affect compatibility with older versions of MongoDB.
Removed Parameters¶
Removed mongod Options¶
MongodB removes the following mongod options:
Removed mongod Options |
Description |
|---|---|
--cpu |
MongoDB 5.2 removes the --cpu mongod option. |
Existing Indexes Can Be Dropped During an Index Build¶
Starting in MongoDB 5.2, you can use dropIndexes or
db.collection.dropIndexes() to drop existing indexes on the
same collection even if there is an index build in progress. In earlier
versions, attempting to drop a different index during an in-progress
index build results in a BackgroundOperationInProgressForNamespace
error.