CHANGELOG.md

June 3, 2026 ยท View on GitHub

1.0.0 (unreleased)

  • Added type hints
  • Changed vector type to return Vector object instead of NumPy array
  • Removed utils package (use top-level pgvector package instead)
  • Removed re-exported classes (use top-level pgvector package instead)
  • Removed dependency on NumPy
  • Dropped support for Python < 3.10
  • Dropped support for SQLAlchemy < 2

0.4.2 (2025-12-04)

  • Added support for Django 6
  • Added support for str objects for bit type with SQLAlchemy

0.4.1 (2025-04-26)

  • Fixed SparseVector constructor for SciPy sparse matrices

0.4.0 (2025-03-15)

  • Added top-level pgvector package
  • Added support for pg8000
  • Added support for bytes to Bit constructor
  • Changed globally option to default to False for Psycopg 2
  • Changed arrays option to default to True for Psycopg 2
  • Fixed equality for Vector, HalfVector, Bit, and SparseVector classes
  • Fixed indices and values methods of SparseVector returning tuple instead of list in some cases
  • Dropped support for Python < 3.9

0.3.6 (2024-10-26)

  • Added arrays option for Psycopg 2

0.3.5 (2024-10-05)

  • Added avg function with type casting to SQLAlchemy
  • Added globally option for Psycopg 2

0.3.4 (2024-09-26)

  • Added schema option for asyncpg

0.3.3 (2024-09-09)

  • Improved support for cursor factories with Psycopg 2

0.3.2 (2024-07-17)

  • Fixed error with asyncpg and pgvector < 0.7

0.3.1 (2024-07-10)

  • Fixed error parsing zero sparse vectors
  • Fixed error with Psycopg 2 and pgvector < 0.7
  • Fixed error message when vector type not found with Psycopg 3

0.3.0 (2024-06-25)

  • Added support for halfvec, bit, and sparsevec types to Django
  • Added support for halfvec, bit, and sparsevec types to SQLAlchemy and SQLModel
  • Added support for halfvec and sparsevec types to Psycopg 3
  • Added support for halfvec and sparsevec types to Psycopg 2
  • Added support for halfvec and sparsevec types to asyncpg
  • Added support for halfvec, bit, and sparsevec types to Peewee
  • Added L1Distance, HammingDistance, and JaccardDistance for Django
  • Added l1_distance, hamming_distance, and jaccard_distance for SQLAlchemy and SQLModel
  • Added l1_distance, hamming_distance, and jaccard_distance for Peewee

0.2.5 (2024-02-07)

  • Added literal binds support for SQLAlchemy

0.2.4 (2023-11-24)

  • Improved reflection with SQLAlchemy

0.2.3 (2023-09-25)

  • Fixed null values with Django
  • Fixed full_clean with Django

0.2.2 (2023-09-08)

  • Added support for Peewee
  • Added HnswIndex for Django

0.2.1 (2023-07-31)

  • Fixed form issues with Django

0.2.0 (2023-07-23)

  • Fixed form validation with Django
  • Dropped support for Python < 3.8

0.1.8 (2023-05-20)

  • Fixed serialization with Django

0.1.7 (2023-05-11)

  • Added register_vector_async for Psycopg 3
  • Fixed set_types for Psycopg 3

0.1.6 (2022-05-22)

  • Fixed return type for distance operators with SQLAlchemy

0.1.5 (2022-01-14)

  • Fixed operator does not exist error with Django
  • Fixed warning with SQLAlchemy 1.4.28+

0.1.4 (2021-10-12)

  • Updated Psycopg 3 integration for 3.0 release (no longer experimental)

0.1.3 (2021-06-22)

  • Added support for asyncpg
  • Added experimental support for Psycopg 3

0.1.2 (2021-06-13)

  • Added Django support

0.1.1 (2021-06-12)

  • Added l2_distance, max_inner_product, and cosine_distance for SQLAlchemy

0.1.0 (2021-06-11)

  • First release