Packages

mongoose

9.11.4 · 23 Oct 2026MIT5.8M / weekRepositoryHomepagenpmAtom feed

Upgrading mongoose from 4.6.2 to 9.11.4

682 releases in betweennotes for 53

Other targets from 4.6.2Newest 4.x4.13.21Clears its 8 advisories6.13.10
6.0.0, 5.0.0 have no release note on GitHub or in the repository's changelog, so their breaking changes are missing from the counts below.
25+
changes to make
8
advisories fixed
199+
new
75+
fixes

Counted from 53 of 682 release notes. Advisories are counted from the advisory database, in full.

Before you upgrade

Tick each one off as you go
  • breaking9.3.0
  • breaking9.0.0
  • breaking9.0.0
  • breaking9.0.0
  • breaking9.0.0
  • breaking9.0.0
  • breaking9.0.0
  • breaking9.0.0
  • breaking9.0.0
  • breaking9.0.0

Security

Fixes 8 advisories affecting 4.6.2

Release by release

  1. 9.11.1 – 9.11.44 releases, no release note

  2. 9.11.0

    5 Oct 20262 new · 1 fix
    • new

      Use MongoDB Node.js driver 7.7.x #16550

    • new

      query: Add Query.prototype.findAndCount() for composable paginated queries #16508 #16504 lokeshllkumar

    • fixed

      Avoid double-calling validators on document arrays underneath nested paths #16484 #16291 #5411

  3. 9.10.1 – 9.10.44 releases, no release note

  4. 9.10.0

    10 Sep 20265 new · 1 fix
    • new

      Upgrade mongodb driver -> 7.6.0

    • new

      model: Add Model.findAndCount() wrapper for limit+skip based pagination with countDocuments #16460 #16454

    • new

      schema: Add Schema.prototype.queryHelper() to make it easier to define query helpers in TypeScript #16464 #16410

    • new

      Support middleware skip option for cursors and custom hooks #16350 #15883 #8768 AbdelrahmanHafez

    • new

      types: Support for type narrowing when using projection in find and findOne #16500 #15545

    • fixed

      Apply defaults to undefined array elements #16542 #9232

  5. 9.9.1 – 9.9.55 releases, no release note

  6. 9.9.0

    30 Jul 20265 new
    • new

      document: Improve toObject perf with faster string checks and avoiding unnecessary isSelected on paths with no getters #16407 #16373 #16385

    • new

      model: Improve insertMany() performance and general change tracking performance #16370

    • new

      timestamps: Avoid adding $setOnInsert for createdAt unless upsert set #16411

    • new

      Improve toObject() performance #16408 #16405 #16378 #14394 BIGSUS24

    • new

      types: Add discriminator key to each member of embedded discriminator enum- #16412 #16045

  7. 9.8.1no release note

  8. 9.8.0

    20 Jul 20264 new · 5 fixes
    • new

      schema: Add strictRead option to filter or throw on unknown fields during document hydration #16345 #4279 GourabSingha

    • new

      Upgrade MongoDB Node.js driver to 7.5 #16391

    • new

      types(model): add pathsToSave to SaveOptions #16375 AbdelrahmanHafez

    • new

      types(model): support extra fields in hydrate() with strict: false #16374 #15940 AbdelrahmanHafez

29 other lines we could not sort, mostly version bumps

  • types: Pass TLeanResultType into query for type narrowing support with lean() #16523 #16519

    9.11.0

  • types: Make Schema.prototype.static() return type with new static #16464

    9.10.0

  • types: Cast primitive types within unions when applying create casting #16320 #16316

    9.7.0

  • types(query): make QueryFilter respect string unions and enums #16242 #16240

    9.6.0

  • types: Export Projector and ArrayProjectionOperators #16243 #16235

    9.6.0

  • types(populate): use marker type to track populated vs depopulated type for perf

    9.4.0

  • types(populate): retain populated paths in toObject() and toJSON() unless depopulate: true set #16085

    9.4.0

  • types(query): make TypeScript error on $and with unrecognized query operator

    9.4.0

  • types(InferRawDocType): fall back to using InferRawDocType instead of pulling non-raw inferred doc type if EnforcedDocType not set #16053

    9.3.0

  • types(models): remove dead MapReduce and GeoSearch types #15984

    9.2.0

41 internal lines (docs, tests, tooling) left out.