CHANGELOG.md

Changelog

[integrations/pgvector-v6.3.0] - 2026-03-17

🐛 Bug Fixes

• PgVectorDocumentStore _treat_meta_field and comparison functions now return Composed - string escaping done by psycopg (#2964)

[integrations/pgvector-v6.2.0] - 2026-03-02

🐛 Bug Fixes

• Add metadata field-name validation using regex in PGVectorDocumentStore filters to prevent SQL injection vectors. (#2881)
• Remove NUL bytes when converting from haystack to pg documents (#2892)

📚 Documentation

• Simplify pydoc configs (#2855)

🧪 Testing

• Replacing each DocumentStore specific tests and used the generalised ones from haystack.testing.document_store (#2812)

[integrations/pgvector-v6.1.0] - 2026-01-28

🚀 Features

• Adding count, filtering and metadata related operations to PGVectorDocumentStore (#2768)

[integrations/pgvector-v6.0.0] - 2026-01-12

🧹 Chores

• Make fmt command more forgiving (#2671)
• [breaking] Pgvector - drop Python 3.9 and use X|Y typing (#2722)

🌀 Miscellaneous

• Fix: Fix doc links (#2661)

[integrations/pgvector-v5.5.0] - 2026-01-02

🚀 Features

• Adding update_by_filter and delete_by_filter to PgVector document store (#2647)

[integrations/pgvector-v5.4.0] - 2025-12-05

📚 Documentation

• Add pydoc configurations for Docusaurus (#2411)

⚙️ CI

• Change pytest command (#2475)

🧹 Chores

• Remove Readme API CI workflow and configs (#2573)
• Pgvector - document expected connection string and raise informative error (#2583)

🌀 Miscellaneous

• Enhancement: Adopt PEP 585 type hinting (part 5) (#2528)

[integrations/pgvector-v5.3.0] - 2025-10-17

🚀 Features

• PgvectorDocumentStore now supports delete_all_documents and delete_all_documents_async (#2394)

🧹 Chores

• Standardize readmes - part 2 (#2205)

[integrations/pgvector-v5.2.1] - 2025-07-03

🐛 Bug Fixes

• Pgvector - ensure DB is initialized when calling delete_table (#2055)

🧹 Chores

• Remove black (#1985)
• Pgvector - update docker image in examples (#1995)

[integrations/pgvector-v3.4.1] - 2025-06-20

🐛 Bug Fixes

• Pgvector - do not pass null meta to Document.from_dict (#1980)

[integrations/pgvector-v3.4.0] - 2025-06-10

🐛 Bug Fixes

• Fix pgvector types + add py.typed (#1914)

🧹 Chores

• Align core-integrations Hatch scripts (#1898)
• Update md files for new hatch scripts (#1911)

[integrations/pgvector-v3.3.1] - 2025-05-28

🌀 Miscellaneous

• Add pins for Pgvector (#1849)

[integrations/pgvector-v3.3.0] - 2025-05-06

🚀 Features

• Pgvector - make error messages more informative (#1684)

[integrations/pgvector-v3.2.0] - 2025-04-11

🚀 Features

• Add halfvec support for storing high-dimensional embeddings in half-precision (#1607)

[integrations/pgvector-v3.1.0] - 2025-03-20

🚀 Features

• Pgvector - async support (+ refactoring) (#1547)

⚙️ CI

• Review testing workflows (#1541)

[integrations/pgvector-v3.0.1] - 2025-03-12

🌀 Miscellaneous

• Fix: pgvector - improve _create_table_if_not_exists to be used without admin rights (#1490)

[integrations/pgvector-v3.0.0] - 2025-03-11

🧹 Chores

• Remove Python 3.8 support (#1421)
• Use Haystack logging across integrations (#1484)
• Pgvector - pin haystack and remove dataframe checks (#1518)

[integrations/pgvector-v2.0.0] - 2025-02-13

🧹 Chores

• Pgvector - remove support for dataframe (#1370)

[integrations/pgvector-v1.3.0] - 2025-02-03

🚀 Features

• Pgvector - add like and not like filters (#1341)

🧹 Chores

• Inherit from FilterDocumentsTestWithDataframe in Document Stores (#1290)

[integrations/pgvector-v1.2.1] - 2025-01-10

🐛 Bug Fixes

• PgvectorDocumentStore - use appropriate schema name if dropping index (#1277)

[integrations/pgvector-v1.2.0] - 2024-11-22

🚀 Features

• Add create_extension parameter to control vector extension creation (#1213)

[integrations/pgvector-v1.1.0] - 2024-11-21

🚀 Features

• Add filter_policy to pgvector integration (#820)
• Add schema support to pgvector document store. (#1095)
• Pgvector - recreate the connection if it is no longer valid (#1202)

🐛 Bug Fixes

• PgVector - Fallback to default filter policy when deserializing retrievers without the init parameter (#900)

📚 Documentation

• Explain different connection string formats in the docstring (#1132)

🧪 Testing

• Do not retry tests in hatch run test command (#954)

⚙️ CI

• Retry tests to reduce flakyness (#836)
• Adopt uv as installer (#1142)

🧹 Chores

• Update ruff invocation to include check parameter (#853)
• PgVector - remove legacy filter support (#1068)
• Update changelog after removing legacy filters (#1083)
• Update ruff linting scripts and settings (#1105)

🌀 Miscellaneous

• Ci: install pytest-rerunfailures where needed; add retry config to test-cov script (#845)
• Chore: Minor retriever pydoc fix (#884)
• Chore: Update pgvector test for the new apply_filter_policy usage (#970)
• Chore: pgvector ruff update, don't ruff tests (#984)

[integrations/pgvector-v0.4.0] - 2024-06-20

🚀 Features

• Defer the database connection to when it's needed (#773)
• Add customizable index names for pgvector (#818)

🌀 Miscellaneous

• Docs: add missing api references (#728)
• [#727] (#738)

[integrations/pgvector-v0.2.0] - 2024-05-08

🚀 Features

• MongoDBAtlasEmbeddingRetriever (#427)
• Implement keyword retrieval for pgvector integration (#644)

🐛 Bug Fixes

• Fix order of API docs (#447)

📚 Documentation

• Update category slug (#442)
• Disable-class-def (#556)

🌀 Miscellaneous

• Pgvector - review docstrings and API reference (#502)
• Refactor tests (#574)
• Remove references to Python 3.7 (#601)
• Make Document Stores initially skip SparseEmbedding (#606)
• Chore: add license classifiers (#680)
• Type hints in pgvector document store updated for 3.8 compability (#704)
• Chore: change the pydoc renderer class (#718)

[integrations/pgvector-v0.1.0] - 2024-02-14

🐛 Bug Fixes

• Pgvector: fix linting (#328)

🌀 Miscellaneous

• Pgvector Document Store - minimal implementation (#239)
• Pgvector - filters (#257)
• Pgvector - embedding retrieval (#298)
• Pgvector - Embedding Retriever (#320)
• Pgvector: generate API docs (#325)
• Pgvector: add an example (#334)
• Adopt Secret to pgvector (#402)