# [6.0.0-alpha.19](https://github.com/parse-community/parse-server/compare/6.0.0-alpha.18...6.0.0-alpha.19) (2023-01-05) ### Features * Remove deprecation `DEPPS1`: Native MongoDB syntax in aggregation pipeline ([#8362](https://github.com/parse-community/parse-server/issues/8362)) ([d0d30c4](d0d30c4f13)) ### BREAKING CHANGES * The MongoDB aggregation pipeline requires native MongoDB syntax instead of the custom Parse Server syntax; for example pipeline stage names require a leading dollar sign like `$match` and the MongoDB document ID is referenced using `_id` instead of `objectId` (#8362) ([d0d30c4](d0d30c4))