What's Changed

• fix(docs): update command to install packages using uv & update port … by Huzaifa Khilawala (@gRedHeadphone) in #260
• Fix incorrect connection string format in README.md example by Yuki Harada (@yukiharada1228) in #267
• fix: reindex&drop_index without schema by liqingchen (@li-qingchen) in #270
• Metadata json filtering by Huzaifa Khilawala (@gRedHeadphone) in #261
• Feature: Add Document Retrieval with Metadata Filtering similar to Chroma Vector Store by Huzaifa Khilawala (@gRedHeadphone) in #264
• Feature: Support metadata based filtering for delete operations by Yuki Harada (@yukiharada1228) in #272
• Release 0.0.17 by dishaprakash in #279

New Contributors

• Huzaifa Khilawala (@gRedHeadphone) made their first contribution in #260
• Yuki Harada (@yukiharada1228) made their first contribution in #267
• liqingchen (@li-qingchen) made their first contribution in #270

Full Changelog: langchain-postgres==0.0.16...langchain-postgres==0.0.17

What's Changed

• deps: add missing dependencies in test group by Nazar Pechevystyi (@nazarpechka) in #223
• fix : correct type checking against db column for embedding_column variable by Clement D. (@NanoClem) in #243
• docs: Add documentation for Hybrid Search by dishaprakash in #245
• feat: add async and sync hybrid search index creation methods by JHSeo (@JHSeo-git) in #244
• chore: update PGVectorStore How to guide by dishaprakash in #251
• chore: Add psycopg binary as a dependency by dishaprakash in #254
• fix: Normalize scores in RRF ranking in hybrid search by dishaprakash in #256
• fix: Normalize results in wighted sum ranking by dishaprakash in #255
• fix: Fix hybrid search bugs by dishaprakash in #257
• release: 0.0.16 by Eugene Yurtsev (@eyurtsev) in #263

New Contributors

• Nazar Pechevystyi (@nazarpechka) made their first contribution in #223
• Clement D. (@NanoClem) made their first contribution in #243
• JHSeo (@JHSeo-git) made their first contribution in #244

Full Changelog: langchain-postgres==0.0.15...langchain-postgres==0.0.16

What's Changed

• docs: partial tutorial rework by Eugene Yurtsev (@eyurtsev) in #193
• docs: add how-to for PGVectorStore by Averi Kitsch (@averikitsch) in #194
• Update README.md by Eugene Yurtsev (@eyurtsev) in #196
• Update README.md by Eugene Yurtsev (@eyurtsev) in #197
• Update README.md by Eugene Yurtsev (@eyurtsev) in #198
• docs: update tutorial by Eugene Yurtsev (@eyurtsev) in #199
• docs(migration): Add migration script by Averi Kitsch (@averikitsch) in #178
• feat: add drop table by Averi Kitsch (@averikitsch) in #195
• chore: Update vectorstore search to support inline embedding by dishaprakash in #201
• chore(docs): Add an Async Explainer doc by dishaprakash in #200
• Update README.md by Matt Campbell (@mecampbellsoup) in #205
• fix(deps): Allow Numpy 2.x to fix dependencies resolution on Python 3.13 by Thomas Berdy (@kozlek) in #208
• ci: migrate to uv by Eugene Yurtsev (@eyurtsev) in #212
• feat: Added Hybrid Search Config and Tests [1/N] by Vishwaraj Anand (@vishwarajanand) in #211
• fix: Add support for a metadata column named id in PGVectorStore by dishaprakash in #210
• Fixed support for VectorStore search filters with multiple $like/$ilike/$in/$nin on same column by CXmartins in #217
• Remove wrong async by bash000000 (@zhcn000000) in #218
• Release 0.0.15 by Eugene Yurtsev (@eyurtsev) in #221

New Contributors

• Matt Campbell (@mecampbellsoup) made their first contribution in #205
• Thomas Berdy (@kozlek) made their first contribution in #208
• Vishwaraj Anand (@vishwarajanand) made their first contribution in #211
• CXmartins made their first contribution in #217
• bash000000 (@zhcn000000) made their first contribution in #218

Full Changelog: v0.0.14...langchain-postgres==0.0.15

What's Changed

• docs: fix PGVector import examples by JonZeolla (@JonZeolla) in #123
• docs: update the readme to note Google provided integrations by dishaprakash in #173
• fix: Add setter for Chat Message History messages by Averi Kitsch (@averikitsch) in #174
• feat: Add the PGVectorStore by Averi Kitsch (@averikitsch) in #175
• Removed the definition of the duplicate index on the id column and re… by Jim Mlodgenski (@jim-mlodgenski) in #167
• docs: refactor the readme by Averi Kitsch (@averikitsch) in #176
• docs: update PGVectorStore quickstart by Averi Kitsch (@averikitsch) in #177
• chore: Update PGVectorstore quickstart by dishaprakash in #183
• add missing imports to readme by Eugene Yurtsev (@eyurtsev) in #181
• Update README.md by Eugene Yurtsev (@eyurtsev) in #184
• update docker-compose file by Eugene Yurtsev (@eyurtsev) in #186
• lint: remove a few unused imports by Eugene Yurtsev (@eyurtsev) in #187
• fix: remove string filters and parameterize filters by Averi Kitsch (@averikitsch) in #185
• release 0.0.14rc1 by Eugene Yurtsev (@eyurtsev) in #188
• lint: run linter by Eugene Yurtsev (@eyurtsev) in #189
• 0.0.14 release and remove deprecation for now by Eugene Yurtsev (@eyurtsev) in #190

New Contributors

• JonZeolla (@JonZeolla) made their first contribution in #123
• Averi Kitsch (@averikitsch) made their first contribution in #174
• Jim Mlodgenski (@jim-mlodgenski) made their first contribution in #167

Full Changelog: v0.0.13...v0.0.14

What's Changed

• docs: fix PGVector import examples by JonZeolla (@JonZeolla) in #123
• docs: update the readme to note Google provided integrations by dishaprakash in #173
• fix: Add setter for Chat Message History messages by Averi Kitsch (@averikitsch) in #174
• feat: Add the PGVectorStore by Averi Kitsch (@averikitsch) in #175
• Removed the definition of the duplicate index on the id column and re… by Jim Mlodgenski (@jim-mlodgenski) in #167
• docs: refactor the readme by Averi Kitsch (@averikitsch) in #176
• docs: update PGVectorStore quickstart by Averi Kitsch (@averikitsch) in #177
• chore: Update PGVectorstore quickstart by dishaprakash in #183
• add missing imports to readme by Eugene Yurtsev (@eyurtsev) in #181
• Update README.md by Eugene Yurtsev (@eyurtsev) in #184
• update docker-compose file by Eugene Yurtsev (@eyurtsev) in #186
• lint: remove a few unused imports by Eugene Yurtsev (@eyurtsev) in #187
• fix: remove string filters and parameterize filters by Averi Kitsch (@averikitsch) in #185
• release 0.0.14rc1 by Eugene Yurtsev (@eyurtsev) in #188

New Contributors

• JonZeolla (@JonZeolla) made their first contribution in #123
• Averi Kitsch (@averikitsch) made their first contribution in #174
• Jim Mlodgenski (@jim-mlodgenski) made their first contribution in #167

Full Changelog: v0.0.13...v0.0.14rc1

What's Changed

• infra: disable pypi release attestations by Erick Friis (@efriis) in #137
• langchain-standard-tests -> langchain-tests by Erick Friis (@efriis) in #140
• no more git dependencies by Erick Friis (@efriis) in #141
• Drop 3.8 support from CI by Eugene Yurtsev (@eyurtsev) in #148
• bump langchain-tests by ccurme (@ccurme) in #145
• drop python 3.8 from CI by ccurme (@ccurme) in #149
• Allow langchain-postgres to work with numpy 2.x by Elder Ryan (@RyanKung) in #155
• Documentation: Add CONTRIBUTING.md and DEVELOPMENT.md by Andreas Motl (@amotl) in #158
• Dependencies: Add greenlet package to test dependency group by Andreas Motl (@amotl) in #161
• Dependencies: Update to pgvector <0.4 by Eugene Yurtsev (@eyurtsev) in #163
• Bump version 0.0.13 by Eugene Yurtsev (@eyurtsev) in #164

New Contributors

• ccurme (@ccurme) made their first contribution in #145
• Elder Ryan (@RyanKung) made their first contribution in #155
• Andreas Motl (@amotl) made their first contribution in #158

Full Changelog: v0.0.12...v0.0.13

What's Changed

• fix: use self.embeddings.aembed_* in async methods by liunux4odoo in #97
• Release 0.0.12 by Eugene Yurtsev (@eyurtsev) in #117

New Contributors

• liunux4odoo made their first contribution in #97

Full Changelog: v0.0.11...v0.0.12

What's Changed

• Relax constraints in poetry file and bump version to 0.0.11 by Eugene Yurtsev (@eyurtsev) in #115
• release 0.0.11 by Eugene Yurtsev (@eyurtsev) in #116

Full Changelog: v0.0.10...v0.0.11

What's Changed

• Implementation of upsert, aupsert, get_by_ids, aget_by_ids by Eugene Yurtsev (@eyurtsev) in #83
• Release 0.0.10 by Eugene Yurtsev (@eyurtsev) in #90
• standardizing doc string by Isaac Francisco (@isahers1) in #95
• infra: delete release (not _release) by Erick Friis (@efriis) in #105
• address issue for mmr calculation by Ian Quah (@IanQS) in #99
• patch: revert unreleased upsert change by Eugene Yurtsev (@eyurtsev) in #112
• Update _release.yml by Erick Friis (@efriis) in #113
• Update _release.yml by Erick Friis (@efriis) in #114

New Contributors

• Isaac Francisco (@isahers1) made their first contribution in #95
• Ian Quah (@IanQS) made their first contribution in #99

Full Changelog: v0.0.9...v0.0.10

What's Changed

• Add transalor by Philippe PRADOS (@pprados) in #75
• Release 0.0.9 by Eugene Yurtsev (@eyurtsev) in #76

Full Changelog: v0.0.8...v0.0.9

What's Changed

• small:Change python version by @pprados in https://github.com/langchain-ai/langchain-postgres/pull/72
• Release 0.0.8 by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/73

Full Changelog: https://github.com/langchain-ai/langchain-postgres/compare/v0.0.7...v0.0.8

What's Changed

• Update README.md by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/54
• Add URL to source code to pyproject.toml by @leo-gan in https://github.com/langchain-ai/langchain-postgres/pull/57
• Add async mode for pgvector (v2) by @pprados in https://github.com/langchain-ai/langchain-postgres/pull/64
• pgvector document filters by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/66
• add unit tests for $in and $nin operators by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/67
• Add support for the Negation('$not') operator by @Raj725 in https://github.com/langchain-ai/langchain-postgres/pull/62
• Add $not operator to list of supported operator in pgvector doc-string by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/69
• Release 0.0.7 by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/70

New Contributors

• @leo-gan made their first contribution in https://github.com/langchain-ai/langchain-postgres/pull/57
• @pprados made their first contribution in https://github.com/langchain-ai/langchain-postgres/pull/64
• @Raj725 made their first contribution in https://github.com/langchain-ai/langchain-postgres/pull/62

Full Changelog: https://github.com/langchain-ai/langchain-postgres/compare/v0.0.6...v0.0.7

What's Changed

• vectorstore: Fix in exists operator. Was working as null by @MartinGotelli in https://github.com/langchain-ai/langchain-postgres/pull/51
• BREAKING: remove langgraph checkpointer by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/52
• Release 0.0.6 by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/53

Full Changelog: https://github.com/langchain-ai/langchain-postgres/compare/v0.0.5...v0.0.6

What's Changed

• vectorstore: Add support to filter by IS NULL and IS NOT NULL criteria by @MartinGotelli in https://github.com/langchain-ai/langchain-postgres/pull/40
• Release 0.0.5 by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/48

New Contributors

• @MartinGotelli made their first contribution in https://github.com/langchain-ai/langchain-postgres/pull/40

Full Changelog: https://github.com/langchain-ai/langchain-postgres/compare/v0.0.4...v0.0.5

What's Changed

• Add security policy by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/29
• loosen core dep to tolerate 0.2 by @efriis in https://github.com/langchain-ai/langchain-postgres/pull/44

New Contributors

• @efriis made their first contribution in https://github.com/langchain-ai/langchain-postgres/pull/44

Full Changelog: https://github.com/langchain-ai/langchain-postgres/compare/v0.0.3...v0.0.4

What's Changed

• relax depndencies by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/28

Full Changelog: https://github.com/langchain-ai/langchain-postgres/compare/v0.0.2...v0.0.3

What's Changed

• Should be using uuid4 not uuid1 by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/27

Full Changelog: https://github.com/langchain-ai/langchain-postgres/compare/v0.0.1...v0.0.2

What's Changed

• Update poetry file by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/1
• Set up CI by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/2
• Mvoe integration tests to unit tests by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/3
• Add docker-compose file by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/5
• Update env variables by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/6
• Fix import in unit tests by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/4
• Another env variable fix by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/7
• bump timeout by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/8
• Update readme by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/9
• Some clean up by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/10
• Update API to use create_tables and drop_tables consistently by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/11
• Rename postgres checkpointer to postgres saver by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/12
• Add release workflow by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/13
• Update interface to accept pools by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/14
• Update README with langgraph examples by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/15
• Add langgraph+langchain-postgres example by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/16
• Add notebook for vectorstore and update bug in add_documents by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/17
• Remove deprecated code from vectorstore by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/18
• Move the star by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/19
• Fix handling of connections by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/20
• Update embeddings_function -> embeddings by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/21
• Update documentation by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/22
• Update README.md by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/23
• Fix broken tests by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/24
• Update session management in vectorstore by @eyurtsev in https://github.com/langchain-ai/langchain-postgres/pull/25

New Contributors

• @eyurtsev made their first contribution in https://github.com/langchain-ai/langchain-postgres/pull/1

Full Changelog: https://github.com/langchain-ai/langchain-postgres/commits/v0.0.1