Sourced from mongoose's releases.

9.1.4 / 2026-01-15

• fix: attach sessions to docs retrieved by cursor #15953 #15949 mjfwalsh
• fix(model): make hydrate() handle nested schema arrays #15964 #15956
• fix(clone): fix parent doc for map subdocuments and array subdocuments #15958 #15954 AbdelrahmanHafez
• fix: prevent crash when accessing nested paths on prototype #15962 #15961 som14062005

9.1.3 / 2026-01-09

• fix(model): support timestamps option to insertMany() as both boolean and QueryTimestampsConfig #15941 #15938
• fix(query): include preview of current and incoming update in error when merging normal update with pipeline #15939 #15928
• types(model): apply basic type casting to paths underneath subdocuments #15948 #15947
• types(utility): make WithLevel1NestedPaths correctly handle PopulatedDoc and other TypeScript unions with Document members #15942 #15923
• docs(schema): expose "DocumentArrayElement" #15590 hasezoey

9.1.2 / 2025-01-05

• fix(subdocs): pass options to pre-save hooks for subdocs #15921 #15920 AbdelrahmanHafez
• perf(model): select only _id when checking document existence during save() #15919 AbdelrahmanHafez

9.1.1 / 2025-12-30

• fix(document): avoid 'Cannot mix array and object updates' on doc.updateOne() with pipeline #15928
• docs: update default search version to 9.x #15926 #15925

9.1.0 / 2025-12-29

• feat(model): make pathsToSave handle saving just a subpath of a modified path #15896
• feat(document+model): pass options to pre('deleteOne') and update+options to pre('updateOne') hooks #15908 #15870
• feat(versioning): optimistic concurrency exclude option, update docs for optimisticConcurrency options #15917 #15915 #15912 AbdelrahmanHafez
• feat(document): add support for getAtomics() to allow custom container types to utilize atomics #15817
• perf: optimize Object.keys() checks and optional chaining #15865 AbdelrahmanHafez
• fix: add support for typescript style enums #15914 #15913 mjfwebb
• fix(document): when cloning a doc with subdocs, make sure the subdocs parent is the cloned doc #15904 #15901
• types(models): support Mongoose query casting in AnyBulkWriteOperation filter property #15918 #15910
• types: allow calling create() with TRawDocType for better generics support #15903 #15902
• types(document): add id virtual getter by default to HydrateDocument<> if TOverrides is Record<string, never> #15906 #15900
• docs(schema): add lean to list of schema options #15907 #15894 #12081

9.0.2 / 2025-12-17

• fix(model): trigger error post hook on bulkwrite when pre-hook throws an error #15882 AbdelrahmanHafez
• fix(document): use bitwise OR to accumulate version mode flags #15893 AbdelrahmanHafez
• types(queries): apply Mongoose casting to default MongoDB driver _id in RootFilterOperators #15891 #15887 #15779
• types(schema): correctly infer virtuals, methods on hydrated doc type from schema options #15892
• types: fixed this parameter type detection for methods with arguments #15885 I-Enderlord-I
• types: export InferRawDocTypeWithout_id to replicate Mongoose 8 InferRawDocType behavior #15815 #15814 JavaScriptBach
• docs: improve colors on dark mode #15879 AbdelrahmanHafez
• docs(model): add overwriteImmutable option #15884 AbdelrahmanHafez
• refactor: remove internal callbacks for buffering #15890

... (truncated)

Sourced from mongoose's changelog.

9.1.4 / 2026-01-15

• fix: attach sessions to docs retrieved by cursor #15953 #15949 mjfwalsh
• fix(model): make hydrate() handle nested schema arrays #15964 #15956
• fix(clone): fix parent doc for map subdocuments and array subdocuments #15958 #15954 AbdelrahmanHafez
• fix: prevent crash when accessing nested paths on prototype #15962 #15961 som14062005

9.1.3 / 2026-01-09

• fix(model): support timestamps option to insertMany() as both boolean and QueryTimestampsConfig #15941 #15938
• fix(query): include preview of current and incoming update in error when merging normal update with pipeline #15939 #15928
• types(model): apply basic type casting to paths underneath subdocuments #15948 #15947
• types(utility): make WithLevel1NestedPaths correctly handle PopulatedDoc and other TypeScript unions with Document members #15942 #15923
• docs(schema): expose "DocumentArrayElement" #15590 hasezoey

9.1.2 / 2026-01-05

• fix(subdocs): pass options to pre-save hooks for subdocs #15921 #15920 AbdelrahmanHafez
• perf(model): select only _id when checking document existence during save() #15919 AbdelrahmanHafez

9.1.1 / 2025-12-30

• fix(document): avoid 'Cannot mix array and object updates' on doc.updateOne() with pipeline #15928
• docs: update default search version to 9.x #15926 #15925

9.1.0 / 2025-12-29

• feat(model): make pathsToSave handle saving just a subpath of a modified path #15896
• feat(document+model): pass options to pre('deleteOne') and update+options to pre('updateOne') hooks #15908 #15870
• feat(versioning): optimistic concurrency exclude option, update docs for optimisticConcurrency options #15917 #15915 #15912 AbdelrahmanHafez
• feat(document): add support for getAtomics() to allow custom container types to utilize atomics #15817
• perf: optimize Object.keys() checks and optional chaining #15865 AbdelrahmanHafez
• fix: add support for typescript style enums #15914 #15913 mjfwebb
• fix(document): when cloning a doc with subdocs, make sure the subdocs parent is the cloned doc #15904 #15901
• types(models): support Mongoose query casting in AnyBulkWriteOperation filter property #15918 #15910
• types: allow calling create() with TRawDocType for better generics support #15903 #15902
• types(document): add id virtual getter by default to HydrateDocument<> if TOverrides is Record<string, never> #15906 #15900
• docs(schema): add lean to list of schema options #15907 #15894 #12081

8.21.0 / 2025-12-29

• feat(document+model): pass options to pre('deleteOne') and update+options to pre('updateOne') hooks #15908 #15870
• feat(document): add support for getAtomics() to allow custom container types to utilize atomics #15817
• fix: add support for typescript style enums #15914 #15913 mjfwebb

8.20.4 / 2025-12-18

• fix(model): ensure $isDeleted is set after calling doc.deleteOne() successfully #15898
• fix(document): use bitwise OR to accumulate version mode flags #15893 #15888 AbdelrahmanHafez

... (truncated)

• 9949bdb chore: release 9.1.4
• 7eefe8e Merge pull request #15963 from Automattic/vkarpov15/gh-15952
• 4ebf0dc Update docs/typescript/virtuals.md
• 9a93968 Merge pull request #15964 from Automattic/vkarpov15/gh-15956
• 5a84e48 fix(model): make hydrate() handle nested schema arrays
• 522fb8a Merge pull request #15962 from som14062005/fix-prototype-getter-issue-15961
• 56abc82 Merge pull request #15958 from Automattic/fix/clone-edge-cases
• 1b15d52 clean up trailing whitespace
• 2dba115 clean up trailing whitespace
• 4d93a5c docs: add another note about schema.virtual()
• Additional commits viewable in compare view

This version was pushed to npm by [GitHub Actions](https://www.npmjs.com/~GitHub Actions), a new releaser for mongoose since your current version.

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)