Sourced from mongoose's releases.

8.22.1 / 2025-02-04

• fix: handle other top-level query operators in sanitizeFilter
• 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 #15910
• types: add toBSON() to documents #15927

8.22.0 / 2026-01-27

• feat(model): allow passing strict option to hydrate() #15944 #15940

8.21.1

• fix(clone): fix parent doc for map subdocuments and array subdocuments #15958 AbdelrahmanHafez
• fix(document): when cloning a doc with subdocs, make sure the subdocs parent is the cloned doc #15904 #15901
• fix: respect currentTime schema option in bulkWrite updates #15976 sderrow
• types(models): support Mongoose query casting in AnyBulkWriteOperation filter property #15910
• types: add toBSON() to documents #15927

8.21.0 / 2025-12-29

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

8.20.3 / 2025-12-15

• perf: use Object.hasOwn instead of Object#hasOwnProperty #15875 AbdelrahmanHafez
• fix: improve error when calling Document.prototype.init() with null/undefined #15812 Vegapunk-debug
• types(schema): avoid treating paths with default: null as required #15889
• types(schema): allow partial statics to schema.statics() #15780

8.20.2 / 2025-12-05

• fix(model): bump version if necessary after successful bulkSave() #15809 #15800
• fix(bulkWrite): pass overwriteImmutable option to castUpdate fixes #15789 #15782 #15781
• types(schema): allow calling schema.static() with as TStatics #15794 #15780

8.20.1 / 2025-11-20

• types: correct Model.schema type and fix unknown check for this param type in schema.methods #15750 #15693
• docs: add detailed loadClass() TypeScript usage guide #15731 #12813 Necro-Rohan
• docs: update version support documentation for Mongoose #15761 ManmathX
• docs: add copy-to-clipboard feature for code blocks in docs #15759 vedansha07

8.20.0 / 2025-11-17

... (truncated)

Sourced from mongoose's changelog.

8.22.1 / 2026-02-04

• fix: handle other top-level query operators in sanitizeFilter
• 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 #15910
• types: add toBSON() to documents #15927

7.8.9 / 2026-02-04

• fix: handle other top-level query operators in sanitizeFilter

8.22.0 / 2026-01-27

• feat(model): allow passing strict option to hydrate() #15944 #15940

8.21.1 / 2026-01-23

• fix(clone): fix parent doc for map subdocuments and array subdocuments #15958 AbdelrahmanHafez
• fix(document): when cloning a doc with subdocs, make sure the subdocs parent is the cloned doc #15904 #15901
• fix: respect currentTime schema option in bulkWrite updates #15976 sderrow
• types(models): support Mongoose query casting in AnyBulkWriteOperation filter property #15910
• types: add toBSON() to documents #15927

9.1.5 / 2026-01-20

• fix(map): validate map subdocument when loaded with init #15960 #15957 AbdelrahmanHafez
• fix(discriminator): prevent indexes and callQueue duplication with shared nested schemas #15974 #15966 AbdelrahmanHafez
• fix(subdocuments): do not pass parent path on init #15970 #15969 #15682 AbdelrahmanHafez
• types(inferrawdoctype): correct handling for subdocs and doc arrays #15967 #13772
• docs: improve grammar and clarity in TypeScript schema comments #15971 harshsinghpujari

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

... (truncated)

• 472e7c7 chore: release 8.22.1
• 1735149 Merge branch '7.x' into 8.x
• 5227801 chore: release 7.8.9
• b804e34 fix: handle other top-level query operators in sanitizeFilter
• 8d9a81f chore: release 8.22.0
• f752854 Merge pull request #15985 from Automattic/8.22
• e7a57ed avoid hardcoding dbName
• 31adbb4 chore: release 8.21.1
• 62a5af7 test: bring test cases from #15958 into 8.x to ensure fixes are applied in 8.x
• bc8cb23 implement review suggestions
• Additional commits viewable in compare view

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