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Migrate typescript tests to use tstyche

Status: Open.

#15980 In Automattic/mongoose;

· vkarpov15 opened on Jan 23, 2026

Re-assigning a DocumentArray with self elements in different order does not change <code>__index</code>

has repro scriptThere is a repro script, the Mongoose devs need to confirm that it reproduces the issueThere is a repro script, the Mongoose devs need to confirm that it reproduces the issue

Status: Open.

#15973 In Automattic/mongoose;

· hasezoey opened on Jan 19, 2026

[Chore] Deprecate <code>new</code> and <code>returnOriginal</code> in favor of <code>returnDocument</code>

Status: Open.

#15972 In Automattic/mongoose;

· AbdelrahmanHafez opened on Jan 19, 2026

<code>getChanges</code> should be renamed to <code>$getChanges</code> in mongoose 10

Status: Open.

#15959 In Automattic/mongoose;

· AbdelrahmanHafez opened on Jan 12, 2026

·  

9.2

Add name of model to error message: <code>[MONGOOSE] Warning: Duplicate schema index on {"uuid":1} found. This is often due to declaring an index using both "index: true" and "schema.index()".</code>

enhancementThis issue is a user-facing general improvement that doesn't fix a bug or add a new featureThis issue is a user-facing general improvement that doesn't fix a bug or add a new feature

new featureThis change adds new functionality, like a new method or classThis change adds new functionality, like a new method or class

Status: Open.

#15946 In Automattic/mongoose;

· bluepuma77 opened on Jan 7, 2026

TypeScript heap out of memory when upgrading past 8.18.3

can't reproduceMongoose devs have been unable to reproduce this issue. Close after 14 days of inactivity.Mongoose devs have been unable to reproduce this issue. Close after 14 days of inactivity.

performance

Stale

Status: Open.

#15922 In Automattic/mongoose;

· Geo-ops opened on Dec 29, 2025

All non-required inferred fields are nullable

new featureThis change adds new functionality, like a new method or classThis change adds new functionality, like a new method or class

Status: Open.

#15905 In Automattic/mongoose;

· skrukwa opened on Dec 18, 2025

Pass result to query.post() hooks

backwards-breaking

enhancementThis issue is a user-facing general improvement that doesn't fix a bug or add a new featureThis issue is a user-facing general improvement that doesn't fix a bug or add a new feature

Status: Open.

#15899 In Automattic/mongoose;

· vkarpov15 opened on Dec 15, 2025

·  

10.0

[Suggestion] make <code>limit</code> with <code>populate</code> more reliabe.

enhancementThis issue is a user-facing general improvement that doesn't fix a bug or add a new featureThis issue is a user-facing general improvement that doesn't fix a bug or add a new feature

new featureThis change adds new functionality, like a new method or classThis change adds new functionality, like a new method or class

Status: Open.

#15863 In Automattic/mongoose;

· AbdelrahmanHafez opened on Dec 4, 2025

Proposal to Set autoIndex Parameter to false by Default

backwards-breaking

Status: Open.

#15803 In Automattic/mongoose;

· erreina opened on Nov 27, 2025

·  

10.0

Validation Bypass when Union of Objects is used in Schema

Status: Open.

#15732 In Automattic/mongoose;

· timheerwagen opened on Nov 9, 2025

Consider migrating away from <code>tsd</code> to support TS Native

Status: Open.

#15696 In Automattic/mongoose;

· chriskrycho opened on Oct 23, 2025

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8.x Unprioritized