LangChain changelog

Patchwire tracks 2 LangChain products for developers: LangChain, LangGraph. In the last 30 days we logged 20 releases, most of them from LangGraph (10), LangChain (10). The most recent was LangGraph: langgraph-cli==0.4.34 on Oct 13, 2026. Every entry links to the original release notes.

Products

Tuesday, Oct 13

Monday, Oct 12

LangGraphLangChain · SDK / library
5 updates
langgraph-checkpoint-postgres==3.1.3Copy linkPost on X
Changes since checkpointpostgres==3.1.2 release(checkpoint-postgres): 3.1.3 ( #9287 ) fix(checkpoint-postgres,checkpoint-sqlite): treat an empty checkpoint_id as the latest in…
langgraph-checkpoint-sqlite==3.1.2Copy linkPost on X
Changes since checkpointsqlite==3.1.1 release(checkpoint-sqlite): 3.1.2 ( #9288 ) fix(checkpoint-postgres,checkpoint-sqlite): treat an empty checkpoint_id as the latest in delta…
langgraph-sdk==0.4.7Copy linkPost on X
Changes since sdk==0.4.6 release(sdk-py): 0.4.7 ( #9289 ) release(langgraph): 1.2.15 ( #9283 ) fix(sdk-py): end a thread stream's run only on a root lifecycle event ( #9228 )…
langgraph==1.2.15Copy linkPost on X
Changes since 1.2.14 release(langgraph): 1.2.15 ( #9283 ) fix(langgraph): give every message written to a messages DeltaChannel an id ( #9275 ) fix(langgraph): save a cached…
langgraph-checkpoint==4.3.0Copy linkPost on X
Changes since checkpoint==4.2.0 fix(checkpoint): default InMemorySaver delta history to the latest checkpoint ( #9257 ) test(checkpoint): run the delta conformance suite against…
LangChainLangChain · SDK / library
4 updates
langchain==1.4.5Copy linkPost on X
Changes since langchain==1.4.4 release(langchain): 1.4.5 ( #41226 ) feat(langchain): accept summarizer in SummarizationMiddleware ( #41225 )
langchain-anthropic==1.7.6Copy linkPost on X
Changes since langchain-anthropic==1.7.5 release(anthropic): 1.7.6 ( #41221 ) chore(model-profiles): refresh model profile data ( #41145 ) feat(core,anthropic,openai): declare…
langchain-openai==1.7.1Copy linkPost on X
Changes since langchain-openai==1.7.0 release(openai): 1.7.1 ( #41222 ) feat(core,anthropic,openai): declare mid-conversation support in model profiles ( #41180 )
langchain-core==1.6.10Copy linkPost on X
Changes since langchain-core==1.6.9 release(core): 1.6.10 ( #41220 ) feat(core,anthropic,openai): declare mid-conversation support in model profiles ( #41180 )

Thursday, Oct 8

LangChainLangChain · SDK / library
4 updates
langchain==1.4.4Copy linkPost on X
Changes since langchain==1.4.3 release(langchain): 1.4.4 ( #41163 ) fix(langchain): (SummarizationMiddleware) retry summary step on context overflow ( #41159 ) chore(deps): bump…
langchain-core==1.6.9Copy linkPost on X
Changes since langchain-core==1.6.8 release(core): 1.6.9 ( #41160 ) feat(core): accept a callable in with_retry ( #41158 )
langchain-openai==1.7.0Copy linkPost on X
Changes since langchain-openai==1.6.7 release(openai): 1.7.0 ( #41154 ) feat(openai): support decisions api ( #41125 ) chore(deps): bump langgraph-sdk from 0.4.4 to 0.4.6 in…
langchain-core==1.6.8Copy linkPost on X
Changes since langchain-core==1.6.7 release(core): 1.6.8 ( #41153 ) fix(core): harden scoped and compatible IPv6 SSRF checks ( #41151 )

Wednesday, Oct 7

LangGraphLangChain · SDK / library
1 update
langgraph-cli==0.4.33Copy linkPost on X
Changes since cli==0.4.32 release(cli): 0.4.33 ( #9227 ) feat(cli): add --image-uri to deploy an already-pushed image ( #9222 ) feat(cli): add 'langgraph deploy listeners list' (…

Tuesday, Oct 6

Monday, Oct 5

LangGraphLangChain · SDK / library
1 update
langgraph==1.2.13Copy linkPost on X
Changes since 1.2.12 fix(langgraph): fork before replaying an update checkpoint the thread moved past ( #9170 ) fix(langgraph): keep an update_state on an older checkpoint out of…
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