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Segmentation fault during interpreter shutdown.

bug V2Bug related to Pydantic V2Bug related to Pydantic V2

pendingIs unconfirmedIs unconfirmed

Status: Open.

#12867 In pydantic/pydantic;

· fofoni opened on Feb 26, 2026

Can't build pydantic-core in Python 3.11

Status: Open.

#12866 In pydantic/pydantic;

· fofoni opened on Feb 26, 2026

Releasing GIL during model_validate / model_dump

feature request

Status: Open.

#12863 In pydantic/pydantic;

· mharradon opened on Feb 26, 2026

PEP 695 type aliases don't work with callable discriminators

bug V2Bug related to Pydantic V2Bug related to Pydantic V2

Status: Open.

#12843 In pydantic/pydantic;

· abrahammurciano opened on Feb 22, 2026

Spurious Serialization Warnings with List of Discriminated Union

bug V2Bug related to Pydantic V2Bug related to Pydantic V2

pendingIs unconfirmedIs unconfirmed

Status: Open.

#12822 In pydantic/pydantic;

· rtumin2 opened on Feb 19, 2026

model_construct() can leave __pydantic_private__ unset when model_post_init is user-defined, causing pickle.dumps() to crash in BaseModel.__getstate__

bug V2Bug related to Pydantic V2Bug related to Pydantic V2

pendingIs unconfirmedIs unconfirmed

Status: Open.

#12813 In pydantic/pydantic;

· AlePiccin opened on Feb 18, 2026

<code>typed_dict_schema</code> JSON schema ignores <code>extras_schema</code> when <code>extra_fields_behavior</code> is set via config

bug V2Bug related to Pydantic V2Bug related to Pydantic V2

Status: Open.

#12809 In pydantic/pydantic;

· dsfaccini opened on Feb 17, 2026

Use a distinct error type for <code>EmailStr</code> validation instead of generic <code>value_error</code>

feature request

v3Under consideration for V3Under consideration for V3

Status: Open.

#12807 In pydantic/pydantic;

· Teraskull opened on Feb 16, 2026

Exponential perfomance drop (100k%) for edge cases serialization in <code>pydantic&gt;=2.11.0b1</code> (0.044 seconds -&gt; 183.207 seconds)

bug V2Bug related to Pydantic V2Bug related to Pydantic V2

Status: Open.

#12800 In pydantic/pydantic;

· Danipulok opened on Feb 12, 2026

Allow model-like types as fields to be serialized as instances/as-is

feature request

topic-serializationHow Pydantic serializes data, often related to `model_dump`, etc.How Pydantic serializes data, often related to `model_dump`, etc.

topic-validators-serializersRelated to model/field validators/serializersRelated to model/field validators/serializers

Status: Open.

#12774 In pydantic/pydantic;

· gpetretto opened on Feb 5, 2026

Tagged union type alias causes validators to run for all union members

bug V2Bug related to Pydantic V2Bug related to Pydantic V2

topic-discriminated unionsRelated to discriminated unionsRelated to discriminated unions

Status: Open.

#12771 In pydantic/pydantic;

· ttencate opened on Feb 5, 2026

Setting 'on_error': 'omit' on typed-dict values omits valid strings when using smart union mode.

bug V2Bug related to Pydantic V2Bug related to Pydantic V2

pendingIs unconfirmedIs unconfirmed

Status: Open.

#12750 In pydantic/pydantic;

· mikeedjones opened on Jan 28, 2026