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Changelog 
0.14.1  (2025年07月11日)Bug Fixes 
Add support for a metadata column named id (#302 ) (ceffc44 ) 
 
0.14.0  (2025年04月29日)Features 
Update Postgres VectorStore to expected LangChain functionality (#290 ) (605c31d ) 
 
Bug Fixes 
0.13.0  (2025年03月17日)Features 
Bug Fixes 
0.12.1  (2025年02月12日)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 )
 
0.12.0  (2025年01月06日)Features 
Add engine_args argument to engine creation functions (#242 ) (5f2f7b7 ) 
 
0.11.1  (2024年11月15日)Documentation 
0.11.0  (2024年10月04日)Features 
0.10.0  (2024年09月17日)⚠ 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 ) 
 
0.9.0  (2024年09月05日)Features 
0.8.0  (2024年09月04日)Features 
Bug Fixes 
Add caching for background loop/thread (#184 ) (1489f81 )
Fix QueryOptions not applied to similarity search bug (#185 ) (e5dca97 )
Fixed extra char in requirements.txt (#196 ) (50dc32f )
 
Documentation 
Add index choosing guide (#178 ) (e96ffb6 )
Added vector store initialization from documents (#174 ) (eb2eac3 )
Update README.md to fix 404 links to templates (#182 ) (f10ae6c )
 
0.7.0  (2024年07月23日)Features 
Add similarity search score threshold select function (#157 ) (71789f0 )
Added example for document saver (#164 ) (13b909e )
Auto-generate IDs upon adding embeddings (#158 ) (a364514 )
Support IAM account override (#160 ) (2de3cba )
 
Bug Fixes 
Documentation 
0.6.1  (2024年07月01日)Bug Fixes 
Documentation 
0.6.0  (2024年06月18日)Features 
0.5.0  (2024年05月30日)Features 
0.4.1  (2024年05月02日)Bug Fixes 
Documentation 
0.4.0  (2024年04月03日)Features 
Bug Fixes 
0.3.0  (2024年04月02日)Features 
Bug Fixes 
Allow special characters in table name for vector store delete (#100 ) (7fc1c63 ) 
 
0.2.0  (2024年03月25日)Features 
ci:  Test against multiple versions (#86 ) (a3f410d ) 
Bug Fixes 
Sql statement for non-nullable column (#85 ) (e143e14 ) 
 
Documentation 
0.1.0 (2024年02月28日) 
Features 
Documentation 
 
  
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
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