DRIVERS-2822: Summary of necessary driver changes Add a sort option to updateOne and replaceOne operations so if it matches more than one candidate document the first one matched by the sort order will be updated. The upstream server changes are at  https://jira.mongodb.org/browse/SERVER-78140 . See example change in the Python driver: https://github.com/mongodb/mongo-python-driver/commit/6f4258c1cdb95f6fe624a66760a66423048b6884 Commits for syncing spec/prose tests (and/or refer to an existing language POC if needed) https://github.com/mongodb/specifications/commit/da8e120514fd5e7a5934513f4fb7a63c7cadbb43 adds spec tests for updateOne, replaceOne, collection-level bulk write, and the bulkWrite command. https://github.com/mongodb/specifications/commit/24817a5caa0526725d480f9a8b3fbb8714507311 adds skips for clientBulkWrite tests on Serverless. Context for other referenced/linked tickets