사재혁

#### Trac ticket number ticket-XXXXX #### Branch description Added documentation on using `person.__dict__.pop("friends", None)` to clear a `cached_property` without raising an `AttributeError`, providing a safer alternative to `del` or `delattr`,...

#### Trac ticket number ticket-36352 #### Branch description Previously, chaining values() after annotate() with the same alias raised a FieldError, even if the alias was already promoted. Now, already-promoted annotation...

Fixed #36389 -- Fixed GenericRelation.update() use write DB connection.

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#### Trac ticket number ticket-36389 #### Branch description Fixed GenericRelation.update() to use write database connection instead of read connection in multi-database environments. #### Checklist - [x] This PR targets the...

Fixed #36399 -- Added support for multiple Cookie headers in HTTP/2 for ASGIRequest.

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#### Trac ticket number ticket-36399 #### Checklist - [x] This PR targets the `main` branch. - [x] The commit message is written in past tense, mentions the ticket number, and...

Fixed #35548 -- Fixed data leakage when setUpTestData() fails without transaction support.

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#### Trac ticket number ticket-35548 #### Branch description Fixed data leakage when setUpTestData() fails on databases without transaction support by calling _fixture_teardown() in _pre_setup() on exception. #### Checklist - [x]...

204/304 responses should not send body or Content-Length (RFC 9112 compliance)

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Currently, Gunicorn forwards 204 and 304 responses even when the app includes a non-zero `Content-Length` or a body. According to RFC 9112 , these responses must not include a message...

Add built-in support for Calendar Versioning (CalVer)

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### Description Hatch currently supports PEP 440 semantic versioning, but it has no built-in way to generate Calendar Versioning (e.g., 2025.12.07). Right now, users must manually set CalVer strings or...

When running Celery with -P gevent and django-celery-results as the result backend, Django raises SynchronousOnlyOperation: You cannot call this from an async context whenever Celery tries to store task state...

Fix psycopg_pool instrumentation to restore Postgres spans

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## What does this pull request do? - instrument psycopg.Connection.connect so that psycopg_pool.ConnectionPool-managed connections are proxied and DB spans are emitted again ## Related issues Closes #2094

Add ColumnPrefixIndex for MySQL column prefix key parts

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## Description This PR implements ColumnPrefixIndex to support MySQL's Column Prefix Key Parts feature. This feature can significantly improve performance for istartswith queries on TEXT or long VARCHAR fields while...