8.18.3

8.18.3 / 2025-09-29

• fix(update): avoid throwing error if update has a top-level $addToSet with no path #15648 #15642
• types(query): allow passing arbitrary options #15644 #15643
• docs(connection+mongoose): correct mongodb option name user -> username #15650 #15647
• test: add tests covering vector search and text search using Atlas CLI #15649 #15645

8.18.2

8.18.2 / 2025-09-22

• fix(document): prevent $clone() from converting mongoose arrays into vanilla arrays #15633 #15625
• fix(connection): use correct collection name for model when using useConnection() #15637
• fix(connection): propagate changes to _lastHeartbeatAt to useDb() child connections #15640 #15635
• types: fix schema property type definition in SchemaType #15631

8.18.1

8.18.1 / 2025-09-08

• types: correct type inference for maps of maps #15602
• types(model): copy base model statics onto discriminator model #15623 #15600
• types: fix types for a string of enums #15605 ruiaraujo
• types(SchemaOptions): disallow versionKey: true, which fails at runtime #15606
• docs(typescript): add example explaining how to use query helper overrides for handling lean() #15622 #15601
• docs(transactions): add note about nested transactions #15624

8.18.0

8.18.0 / 2025-08-22

• feat(schema): support for union types #15574 #10894
• fix: trim long strings in minLength and maxLength error messages and display the string length #15571 #15550
• types(connection+collection): make BaseCollection and BaseConnection usable as values #15575 #15548
• types: remove logic that omits timestamps when virtuals, methods, etc. options set #15577 #12807

8.17.2

8.17.2 / 2025-08-18

• fix: avoid Model.validate() hanging when all paths fail casting #15580 #15579 piotracalski
• types(document): better support for flattenObjectIds and versionKey options for toObject() and toJSON() #15582 #15578
• docs: fix docs jsdoc tags and add UUID to be listed #15585
• docs(document): fix code sample that errors with "Cannot set properties of undefined" #15589

8.17.1

8.17.1 / 2025-08-07

• fix(query): propagate read preference and read concern to populate if read() called after populate() #15567 #15553
• fix(model): call correct function in autoSearchIndex #15569 #15565
• fix(model): allow setting statics option on discriminator schema #15568 #15556
• fix(model): remove unnecessary conversion of undefined -> null in findById #15566 #15551
• types: allow passing in projections without as const #15564 #15557
• types: support maxLength and minLength in SchemaTypeOptions #15570 #4720

8.17.0

8.17.0 / 2025-07-30

• feat: upgrade mongodb -> 6.18.0 #15552
• feat(mongoose): export base Connection and Collection classes #15548
• feat: make Schema.prototype.$conditionalHandlers public #15497
• types: automatically infer discriminator type #15547 #15535
• types: make versionKey: false disable __v from hydrated document #15524 #15511
• types: indicate support for mongodb abort #15549 GalacticHypernova
• types: add options property to schemas #15524
• types(schematype): make defaultOptions static and add schemaOptions to DocumentArray #15529 #15524

8.16.5

8.16.5 / 2025-07-25

• fix(map): avoid throwing required error if saving map of primitives with required: true #15542
• types(model): export MongooseBulkWriteResult type #15546
• types(connection): add base to connection type #15544

8.16.4

8.16.4 / 2025-07-16

• fix(connection): avoid calling connection.close() internally with force: Object #15534 #15531
• types(schema): handle required: string in schema definitions #15538 #15536
• types(document): allow calling $isDefault() with no args #15528 #15522
• types: infer Typescript string enums #15530 ruiaraujo
• types: pass TModelType down to schema statics #15537

8.16.3

8.16.3 / 2025-07-10

• fix(document): clean modified subpaths if unsetting map #15520 #15519
• fix: make DocumentArray SchemaType pass all options to embedded SchemaType #15523
• types: support readonly array in query.select #15527 omermizr