8.24.4

8.24.4 / 2026-08-21

• fix(discriminator): prevent indexes and callQueue duplication with shared nested schemas #16467 #16466 #15966 (8.x backport) AbinMadathil-Celigo

9.9.3

9.9.3 / 2026-08-17

• perf(document): cache projection metadata and avoid scanning all projected paths for flat projections #16439 #16407 #16373 yogesh968
• fix(cast): reject arrays when casting to Int32 or Double #16446 rajanpanth
• docs: document new/returnOriginal deprecation from 9.2.0 #16449 #16008 #15972 alimughal95
• docs(schematypes): clarify that array default applies to the level it is declared on #16441 #9232

9.9.2

9.9.2 / 2026-08-10

• fix(query): apply sanitizeFilter on countDocuments and cursor()
• fix(document): support map wildcards in optimistic concurrency paths option #16436 #16383
• fix(model): set document session in bulkSave() so transaction retries restore document state #16438 #16432 yogesh968
• fix(connection): restore delete state across transaction retries #16435 #16433 snowyukitty
• fix(schema): put enum on array elements and support the object enum form in toJSONSchema #16444 #16443 Jaybhade
• perf(document): inline the type checks in $__hasOnlyPrimitiveValues() #14394 yogesh968
• types(document): respect schema toObject and toJSON options #16431 #15594 samuelmbabhazi
• types: import BSON from mongodb instead of bson #16434
  #16434 orgads
• docs(populate): document that skip needs sort to paginate reliably #16442 #7579
• docs: remove unused jobs.pug #16437 #16430

8.24.3

fix(query): apply sanitizeFilter on countDocuments and cursor()

7.8.12

7.8.12 / 2026-08-10

• fix(query): apply sanitizeFilter in countDocuments and cursor

6.13.11

6.13.11 / 2026-08-10

• fix(query): apply sanitizeFilter in countDocuments and cursor

9.9.1

9.9.1 / 2026-07-31

• fix(query): avoid path collision when excluding subdocuments with nested select: false paths #12798
• types(model): support overriding schema-level lean with lean: false #16413

9.9.0

9.9.0 / 2026-07-30

• perf(document): improve toObject perf with faster string checks and avoiding unnecessary isSelected on paths with no getters #16407 #16373 #16385
• perf(model): improve insertMany() performance and general change tracking performance #16370
• perf(timestamps): avoid adding $setOnInsert for createdAt unless upsert set #16411
• perf: improve toObject() performance #16408 #16405 #16378 #14394 BIGSUS24
• types: add discriminator key to each member of embedded discriminator enum- #16412 #16045

9.8.1

9.8.1 / 2026-07-27

• perf(document): avoid rebuilding modified paths during required path validation #16379 xianjianlf2
• perf(document): avoid clearing the required paths cache on every document instantiation #16404 #16377
• fix(query): reject update modifiers without paths #16387 AbdelrahmanHafez
• perf: cache toString() results in array.unique to avoid redundant allocations #16390 vivek180905
• types: respect the _id option when inferring StandardSchema types #16402
• types(model): keep Model.schema typed when TSchema is omitted samuelmbabhazi
• docs(guide): clarify strictQuery handling of filter paths not in the schema #16397 MuhammadFarhantahir

8.24.2

8.24.2 / 2026-07-27

• fix(subdocument): don't minimize empty document array elements to null #16393 WaleedAshraf
• types: correct Model.validate() return type to Promise #16340
  #16340 chatman-media