v0.15.0

0.15.0 (2026-01-08)

⚠ BREAKING CHANGES

• Refactor PostgresVectorStore and PostgresEngine to depend on PGVectorstore and PGEngine respectively (#316)

Features

• deps: Update langchain-postgres to v0.0.16 (#366) (e773505)
• Disable support for python 3.9 and enable support for python3.13 (#378) (b97060e)
• Update Langgraph dependency to v1 (#379) (7a841b3)

Documentation

• Add Hybrid Search documentation (#329) (14098ca)

Miscellaneous Chores

• Release 0.15.0 (#331) (bb3c02a)

Code Refactoring

• Refactor PostgresVectorStore and PostgresEngine to depend on PGVectorstore and PGEngine respectively (#316) (7917d62)

v0.14.1

0.14.1 (2025-07-11)

Bug Fixes

• Add support for a metadata column named id (#302) (ceffc44)

v0.14.0

0.14.0 (2025-04-29)

Features

• Update Postgres VectorStore to expected LangChain functionality (#290) (605c31d)

Bug Fixes

• docs: Fix link in README (#293) (6bfc58c)
• Update JSON conversion (#296) (4313ba2)

v0.13.0

0.13.0 (2025-03-17)

Features

• langgraph: Add Langgraph Checkpointer (#284) (14a4240)

Bug Fixes

• deps: Update dependency numpy to v2 (#251) (a164aa2)
• engine: Loop error on close (#285) (e8bd4ae)

v0.12.1

0.12.1 (2025-02-12)

Bug Fixes

• Add write messages to Chat History (#265) (0f69092)
• Enquote column names to not match reserved keywords. (#267) (ef63226)
• Query and return only selected metadata columns (#253) (a8cc5a2)

v0.12.0

0.12.0 (2025-01-06)

Features

• Add engine_args argument to engine creation functions (#242) (5f2f7b7)

v0.11.1

0.11.1 (2024-11-15)

Documentation

• Add benefits to readme (#224) (f791be0)
• Adding a readme to itemise sample notebooks. (#225) (4ce8be3)

v0.11.0

0.11.0 (2024-10-04)

Features

• Remove support for Python 3.8 (#216) (1737adc)

v0.10.0

0.10.0 (2024-09-17)

⚠ BREAKING CHANGES

• support async and sync versions of indexing methods
• remove _aexecute(), _execute(), _afetch(), and _fetch() methods

Features

• Add from_engine_args method (de16842)
• Add support for sync from_engine (de16842)
• Allow non-uuid data types for vectorstore primary key (#209) (ffaa87f)
• Refactor to support both async and sync usage (de16842)

Bug Fixes

• Replacing cosine_similarity and maximal_marginal_relevance local methods with the ones in langchain core. (#190) (7f27092)
• Support async and sync versions of indexing methods (de16842)
• Updating the minimum langchain core version to 0.2.36 (#205) (0651231)

Documentation

• Update sample python notebooks to reflect the support for custom schema. (#204) (7ef9335)

v0.9.0

0.9.0 (2024-09-05)

Features

• Add support for custom schema names (#191) (1e0566a)