Issues

• Schema.clone() drops $timestamps, so embedded discriminators with a timestamped child schema throw on save

  Automattic/mongoose#16650 · Filter by author Oleksii-Pavliuk opened on Oct 30, 2026

• insertMany() clears pending document state after command errors with empty writeErrors

  Automattic/mongoose#16648 · Filter by author IbrahimHafez1 opened on Oct 29, 2026

• bulkSave marks documents saved after command-level MongoBulkWriteError with no writeErrors

  Automattic/mongoose#16646 · Filter by author IbrahimHafez1 opened on Oct 29, 2026

• Pipeline updates ignore timestamps: { updatedAt: false }

  Automattic/mongoose#16641 · Filter by author ItsM0rty opened on Oct 25, 2026

• Connection#transaction() loses writes when the driver retries the callback after a transient commitTransaction() error

  Automattic/mongoose#16639 · Filter by author IbrahimHafez1 opened on Oct 25, 2026

• castArrayFilters only looks at the first key: $or/$and after a field key is cast as subdocuments, fields after a leading $or and $nor are not cast

  Automattic/mongoose#16637 · Filter by author mtechcave1 opened on Oct 23, 2026

• replaceOne() silently removes a path when its value fails to cast

  Automattic/mongoose#16628 · Filter by author OmBhandwaldar opened on Oct 22, 2026

• A second push() with $each before save() drops the values of the earlier push() from the update

  Automattic/mongoose#16618 · Filter by author maxymlyskov opened on Oct 21, 2026

• Cursor destruction never completes after failed or skipped initialization

  Automattic/mongoose#16611 · Filter by author IbrahimHafez1 opened on Oct 18, 2026

• QueryCursor and AggregationCursor suppress the error passed to destroy(error)

  Automattic/mongoose#16609 · Filter by author IbrahimHafez1 opened on Oct 18, 2026

• insertMany() writeErrors are plain objects instead of WriteError (code is undefined)

  Automattic/mongoose#16607 · Filter by author Majny opened on Oct 18, 2026

• Regression: mongoose.connect() hangs with Mongoose >=9.10.0 and mongodb-memory-server 11.3.0

  Automattic/mongoose#16596 · Filter by author romontei opened on Oct 16, 2026
  2

• Feature request: schema-level default sort for find() and findAndCount()

  Automattic/mongoose#16577 · Filter by author nikzanda opened on Oct 9, 2026 · 9.12
  4

• types: projection narrowing in 9.11 drops fields selected via dotted inclusion paths ("a.b": 1)

  Automattic/mongoose#16575 · Filter by author Anton-Honda opened on Oct 9, 2026 · 9.11.5

• Remove sift in favor of Mongoose-maintained lib

  backwards-breaking
  Automattic/mongoose#16516 · Filter by author vkarpov15 opened on Sep 17, 2026 · 10.0
  2

  

• toObject({getters:true}) on projected documents: applyGetters iterates all schema paths and each unselected path triggers an O(projectionKeys) isSelected scan — O(paths x projection) per doc

  performance
  Automattic/mongoose#16373 · Filter by author tsushanth opened on Jul 7, 2026 · Parking Lot
  1

• CI: fix/improve flaky tests

  Automattic/mongoose#16284 · Filter by author AbdelrahmanHafez opened on May 13, 2026
  4

• Support for schema-driven deep population of all referenced paths without requiring explicit path specification

  enhancementnew feature
  Automattic/mongoose#16074 · Filter by author jml6m opened on Mar 6, 2026
  4

• Automatic type inference for Mongoose 10 discussion - the future of Schema.create()

  discussiontypescript
  Automattic/mongoose#16050 · Filter by author vkarpov15 opened on Feb 27, 2026 · 10.0
  2

  

• Type-safe .populate method

  enhancementnew feature
  Automattic/mongoose#16010 · Filter by author akim-bow opened on Feb 5, 2026
  1

• Pass result to query.post() hooks

  backwards-breakingenhancement
  Automattic/mongoose#15899 · Filter by author vkarpov15 opened on Dec 15, 2025 · 10.0

• [Suggestion] make limit with populate more reliabe.

  enhancementnew feature
  Automattic/mongoose#15863 · Filter by author AbdelrahmanHafez opened on Dec 4, 2025

• Proposal to Set autoIndex Parameter to false by Default

  backwards-breaking
  Automattic/mongoose#15803 · Filter by author erreina opened on Nov 27, 2025 · 10.0
  2

• Performance: avoid cloning when saving document if minimize: false

  Automattic/mongoose#15694 · Filter by author vkarpov15 opened on Oct 20, 2025 · Parking Lot
  3

• { enum: true } option for queries or perhaps Model.validate

  enhancementnew feature
  Automattic/mongoose#15581 · Filter by author IslandRhythms opened on Aug 12, 2025
  1