Sourced from mongoose's releases.

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 / 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 / 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 / 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

Sourced from mongoose's changelog.

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 / 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 / 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 / 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

• adc1799 chore: release 8.17.1
• d333d8e Merge pull request #15567 from Automattic/vkarpov15/gh-15553
• c05baa5 fix(query): propagate read concern to populate if readConcern() called after ...
• 3ca038e Merge branch 'master' into vkarpov15/gh-15553
• 8ece7d7 Merge pull request #15570 from Automattic/vkarpov15/gh-4720
• ee6994c Merge pull request #15569 from Automattic/vkarpov15/gh-15565
• 69f9c7a Merge pull request #15568 from Automattic/vkarpov15/gh-15556
• d8abdb1 test: add test case showing statics option with discriminators re: #15556 #15568
• 35ffdbf Merge branch 'master' into vkarpov15/gh-15556
• 39b4f37 Merge pull request #15566 from Automattic/vkarpov15/gh-15551
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