LangGraph Updates & Release Notes

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76 updates curated from 1 source by the Releasebot Team. Last updated: Aug 19, 2026

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Aug 19, 2026
Date parsed from source:
Aug 19, 2026

First seen by Releasebot:
Aug 19, 2026
LangGraph by LangChain

langgraph-sdk==0.4.3

LangGraph releases sdk-py 0.4.3 and checkpoint 4.2.0, with LangGraph 1.2.x updates that add decrypt replacement result support and fix config metadata and cron end_time handling. It also includes dependency and test maintenance.
Changes since sdk==0.4.2

release(sdk-py): 0.4.3 (#8657)

feat(sdk-py): add decrypt replacement result (#8598)

release(langgraph): 1.2.11 (#8595)

chore(deps): bump the minor-and-patch group across 1 directory with 5 updates (#8532)

release(checkpoint): 4.2.0 (#8563)

chore: enforce PLC0415 in tests for the remaining packages (#8547)

release(langgraph): 1.2.10 (#8462)

chore(deps): bump websockets from 15.0.1 to 16.0 in /libs/sdk-py in the major group (#8253)

fix(sdk-py): support clearing cron end_time via update(end_time=None) (#8334)

release(langgraph): 1.2.9 (#8316)

release(langgraph): 1.2.8 (#8292)

chore(deps): bump websockets from 15.0.1 to 16.0 in /libs/langgraph in the major group (#8256)

chore(deps): bump the minor-and-patch group in /libs/sdk-py with 9 updates (#8252)

release(langgraph): 1.2.7 (#8223)

chore(deps-dev): bump starlette from 1.0.1 to 1.3.1 in /libs/sdk-py (#8104)

chore(deps): bump langsmith from 0.8.0 to 0.8.18 in /libs/sdk-py (#8174)

release(langgraph): 1.2.6 (#8139)

docs: standardize package README.md structure (#8064)

release(langgraph): 1.2.5 (#8062)

fix(langgraph): merge lc_versions config metadata (#8052)

chore(deps-dev): bump starlette from 1.0.0 to 1.0.1 in /libs/sdk-py (#8006)

chore: migrate Python type checking to ty (#8002)

release(langgraph): 1.2.4 (#7991)

test(sdk-py): add factory-graph integration test exercising the server factory path (#7978)

release(langgraph): 1.2.3 (#7945)

Original source
Aug 11, 2026
Date parsed from source:
Aug 11, 2026

First seen by Releasebot:
Aug 13, 2026
LangGraph by LangChain

langgraph==1.2.11

LangGraph releases 1.2.11 with trace_policy now exposed on add_node, plus checkpoint updates and fixes across checkpoint, checkpoint-postgres, and checkpoint-sqlite. It also includes dependency bumps and test and lint maintenance.
Changes since 1.2.10

release(langgraph): 1.2.11 (#8595)

feat(langgraph): expose trace_policy on add_node (#8523)

chore(deps): bump the minor-and-patch group across 1 directory with 7 updates (#8533)

chore(deps): bump the minor-and-patch group across 1 directory with 5 updates (#8532)

release(checkpoint-postgres): 3.1.2 (#8565)

release(checkpoint): 4.2.0 (#8563)

fix(checkpoint): collect writes at plain-value seed in delta channel history (#8526)

chore: enforce PLC0415 in tests for the remaining packages (#8547)

test(checkpoint-postgres,checkpoint-sqlite): run the conformance suite (#8537)

chore: enable RUF100 and clear unused noqa directives (#8546)

chore(deps-dev): bump types-requests from 2.33.0.20260518 to 2.33.0.20260712 in /libs/langgraph (#8502)

chore(deps): bump cryptography from 48.0.1 to 50.0.0 in /libs/langgraph (#8528)

release(checkpoint-sqlite): 3.1.1 (#8481)

release(checkpoint-postgres): 3.1.1 (#8480)

Original source
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Aug 7, 2026
Date parsed from source:
Aug 7, 2026

First seen by Releasebot:
Aug 9, 2026
LangGraph by LangChain

langgraph-checkpoint-postgres==3.1.2

LangGraph releases checkpoint-postgres 3.1.2 and checkpoint 4.2.0 with conformance tests and a plain-value seed fix.
Changes since checkpointpostgres==3.1.1

release(checkpoint-postgres): 3.1.2 (#8565)

release(checkpoint): 4.2.0 (#8563)

test(checkpoint-postgres,checkpoint-sqlite): run the conformance suite (#8537)

fix(checkpoint-postgres): find plain-value seeds when walking delta history (#8535)

chore: enable RUF100 and clear unused noqa directives (#8546)

chore(checkpoint-postgres,checkpoint-sqlite): enable PLC0415 lint rule (#8540)

chore(deps): bump the minor-and-patch group in /libs/checkpoint-postgres with 5 updates (#8497)

Original source
Aug 7, 2026
Date parsed from source:
Aug 7, 2026

First seen by Releasebot:
Aug 9, 2026
LangGraph by LangChain

langgraph-checkpoint==4.2.0

LangGraph releases 4.2.0 with checkpoint improvements, including a fix for collecting writes in delta channel history and an opt-in omit_expired option for checkpoint and checkpoint-postgres to skip expired rows on read.

Changes since checkpoint==4.1.1

release(checkpoint): 4.2.0 (#8563)

fix(checkpoint): collect writes at plain-value seed in delta channel history (#8526)

chore: enforce PLC0415 in tests for the remaining packages (#8547)

chore: enable RUF100 and clear unused noqa directives (#8546)

chore(deps): bump the minor-and-patch group in /libs/checkpoint with 4 updates (#8490)

feat(checkpoint,checkpoint-postgres): add opt-in omit_expired to skip expired rows on read (#8354)

chore(deps): bump the minor-and-patch group in /libs/checkpoint with 5 updates (#8248)

chore(deps): bump langsmith from 0.8.0 to 0.8.18 in /libs/checkpoint (#8173)

docs: standardize package README.md structure (#8064)

chore: migrate Python type checking to ty (#8002)

chore(deps-dev): bump the major group in /libs/checkpoint with 2 updates (#7967)

chore(deps): bump the minor-and-patch group in /libs/checkpoint with 3 updates (#7960)
Original source
Jul 30, 2026
Date parsed from source:
Jul 30, 2026

First seen by Releasebot:
Jul 31, 2026
LangGraph by LangChain

langgraph-checkpoint-sqlite==3.1.1

LangGraph releases checkpoint-sqlite 3.1.1 with a namespace matching fix for checkpoint-postgres and checkpoint-sqlite, plus dependency updates and README and type-checking maintenance.

Changes since checkpointsqlite==3.1.0

release(checkpoint-sqlite): 3.1.1 (#8481)

fix(checkpoint-postgres,checkpoint-sqlite): scope namespace matching to segment boundaries (#8478)

chore(deps): bump the minor-and-patch group in /libs/checkpoint-sqlite with 4 updates (#8249)

chore(deps): bump langsmith from 0.8.0 to 0.8.18 in /libs/checkpoint-sqlite (#8177)

docs: standardize package README.md structure (#8064)

chore: migrate Python type checking to ty (#8002)

chore(deps): bump the minor-and-patch group in /libs/checkpoint-sqlite with 3 updates (#7961)

release(checkpoint): 4.1.1 (#7890)

chore(deps): bump langsmith from 0.7.31 to 0.8.0 in /libs/checkpoint-sqlite (#7786)

chore(deps): bump idna from 3.11 to 3.15 in /libs/checkpoint-sqlite (#7862)
Original source
Similar to LangGraph with recent updates:
Jul 30, 2026
Date parsed from source:
Jul 30, 2026

First seen by Releasebot:
Jul 31, 2026
LangGraph by LangChain

langgraph-checkpoint-postgres==3.1.1

LangGraph releases checkpoint-postgres 3.1.1 with namespace matching fixes and an opt-in omit_expired option to skip expired rows on read, plus ongoing dependency and docs updates.

Changes since checkpointpostgres==3.1.0

release(checkpoint-postgres): 3.1.1 (#8480)
fix(checkpoint-postgres,checkpoint-sqlite): scope namespace matching to segment boundaries (#8478)
feat(checkpoint,checkpoint-postgres): add opt-in omit_expired to skip expired rows on read (#8354)
chore(deps): bump the minor-and-patch group in /libs/checkpoint-postgres with 5 updates (#8250)
chore(deps): bump langsmith from 0.8.0 to 0.8.18 in /libs/checkpoint-postgres (#8171)
docs: standardize package README.md structure (#8064)
chore: migrate Python type checking to ty (#8002)
chore(deps): bump the minor-and-patch group in /libs/checkpoint-postgres with 7 updates (#7965)
release(checkpoint): 4.1.1 (#7890)
chore(deps): bump idna from 3.11 to 3.15 in /libs/checkpoint-postgres (#7861)
chore(deps): bump langsmith from 0.7.31 to 0.8.0 in /libs/checkpoint-postgres (#7785)
Original source
Jul 28, 2026
Date parsed from source:
Jul 28, 2026

First seen by Releasebot:
Jul 30, 2026
LangGraph by LangChain

langgraph==1.2.10

LangGraph releases 1.2.10 with stream_events v3 return types and native projections, plus trace policy updates in add_node and tag handling. This update also widens langgraph-api compatibility and includes dependency refreshes.

Changes since 1.2.9

release(langgraph): 1.2.10 (#8462)

chore(deps): bump jupyterlab from 4.5.9 to 4.5.10 in /libs/langgraph (#8440)

chore(deps): bump setuptools from 80.9.0 to 83.0.0 in /libs/langgraph (#8435)

feat(langgraph): type v3 stream_events return and native projections (#8389)

revert(langgraph): delete TracePolicy (#8403)

feat(langgraph): drop tags from TracePolicy (#8402)

feat(langgraph): expose trace_policy on add_node (#8362)

chore(deps): bump mistune from 3.2.1 to 3.3.0 in /libs/langgraph (#8317)

chore(deps): bump soupsieve from 2.8.1 to 2.8.4 in /libs/langgraph (#8318)

chore(cli): allow langgraph-api versions up to 1.0.0 (#8319)
Original source
Jul 10, 2026
Date parsed from source:
Jul 10, 2026

First seen by Releasebot:
Jul 11, 2026
LangGraph by LangChain

langgraph-cli==0.4.31

LangGraph ships CLI updates that allow langgraph-api versions up to 1.0.0 and add support for prebuild images for langgraph deploy, along with dependency refreshes across the CLI and example projects.

Changes since cli==0.4.30

chore(cli): allow langgraph-api versions up to 1.0.0 (#8319)

chore(deps): bump the minor-and-patch group in /libs/cli with 5 updates (#8251)

chore(deps): bump the minor-and-patch group in /libs/cli/js-examples with 6 updates (#8246)

chore(deps): bump the minor-and-patch group in /libs/cli/js-monorepo-example with 7 updates (#8245)

chore(deps): bump starlette from 1.0.1 to 1.3.1 in /libs/cli (#8105)

chore(deps): bump langsmith from 0.8.0 to 0.8.18 in /libs/cli (#8172)

feat(cli): allow prebuild images for langgraph deploy (#8100)

chore(deps): bump langchain-anthropic from 1.0.0a5 to 1.4.6 in /libs/cli/examples/graph_prerelease_reqs in the pip group across 1 directory (#8145)

chore(deps): bump @babel/core from 7.25.2 to 7.29.7 in /libs/cli/js-examples (#8144)

chore(deps): bump js-yaml from 4.1.1 to 4.2.0 in /libs/cli/js-monorepo-example (#8143)

chore(deps): bump cryptography from 46.0.7 to 48.0.1 in /libs/cli (#8103)

chore(deps): bump pyjwt from 2.12.1 to 2.13.0 in /libs/cli (#8093)
Original source
Jul 10, 2026
Date parsed from source:
Jul 10, 2026

First seen by Releasebot:
Jul 10, 2026
LangGraph by LangChain

langgraph==1.2.9

LangGraph fixes updateState metadata and counters for the delta channel in its 1.2.9 release.

Changes since 1.2.8

release(langgraph): 1.2.9 (#8316)

fix: updateState metadata/counters for delta channel (#8315)
Original source
Jul 6, 2026
Date parsed from source:
Jul 6, 2026

First seen by Releasebot:
Jul 7, 2026
LangGraph by LangChain

langgraph==1.2.8

LangGraph fixes a delta channel bug in updateState and ships dependency updates in 1.2.8.

Changes since 1.2.7

release(langgraph): 1.2.8 (#8292)
fix: delta channel bug with updateState on fresh thread will force snapshot instead of stub checkpoint (#8290)
chore(deps): bump the minor-and-patch group in /libs/langgraph with 8 updates (#8255)
chore(deps): bump websockets from 15.0.1 to 16.0 in /libs/langgraph in the major group (#8256)
chore(deps): bump the minor-and-patch group in /libs/sdk-py with 9 updates (#8252)
Original source
Jun 30, 2026
Date parsed from source:
Jun 30, 2026

First seen by Releasebot:
Jun 30, 2026
LangGraph by LangChain

langgraph==1.2.7

LangGraph ships 1.2.7 with fixes for snapshot DeltaChannel overwrite supersteps, JSON roundtrips, and valid UUIDs for exit-mode delta task IDs, plus dependency updates across redis, langsmith, jupyterlab, cryptography, jupyter-server, tornado, pyjwt, and bleach.

Changes since 1.2.6

release(langgraph): 1.2.7 (#8223)

fix(langgraph): snapshot DeltaChannel overwrite supersteps (#8125)

fix(langgraph): Make Overwrite survive JSON roundtrips (#8127)

chore(deps): bump redis in /libs/langgraph (#7976)

chore(deps): bump langsmith from 0.8.0 to 0.8.18 in /libs/langgraph (#8176)

chore(deps): bump jupyterlab from 4.5.7 to 4.5.9 in /libs/langgraph (#8164)

fix(langgraph): emit valid UUIDs for exit-mode delta task_ids for langgraph-api (#8165)

chore(deps): bump bleach from 6.3.0 to 6.4.0 in /libs/langgraph (#8107)

chore(deps): bump cryptography from 46.0.7 to 48.0.1 in /libs/langgraph (#8106)

chore(deps): bump jupyter-server from 2.18.0 to 2.20.0 in /libs/langgraph (#8134)

chore(deps): bump tornado from 6.5.6 to 6.5.7 in /libs/langgraph (#8108)

chore(deps): bump pyjwt from 2.12.0 to 2.13.0 in /libs/langgraph (#8092)
Original source
Jun 18, 2026
Date parsed from source:
Jun 18, 2026

First seen by Releasebot:
Jun 18, 2026
LangGraph by LangChain

langgraph==1.2.6

LangGraph releases 1.2.6 with subgraph checkpoint and stream-abort fixes for smoother graph execution.

Changes since 1.2.5

release(langgraph): 1.2.6 (#8139)
fix: nested subgraph inherits parent checkpoint_ns (regression in 1.2.3) (#8053)
fix: cancel running subgraphs on v3 stream abort [closes #8029] (#8057)
release(cli): 0.4.30 (#8101)
docs: standardize package README.md structure (#8064)
chore(deps): bump tornado from 6.5.5 to 6.5.6 in /libs/langgraph (#8063)
Original source
Jun 16, 2026
Date parsed from source:
Jun 16, 2026

First seen by Releasebot:
Jun 17, 2026
LangGraph by LangChain

langgraph-cli==0.4.30

LangGraph releases CLI 0.4.30 with compatible API version range support and README structure updates.

Changes since cli==0.4.29

release(cli): 0.4.30 (#8101)

feat(cli): support compatible api version ranges (#8023)

docs: standardize package README.md structure (#8064)
Original source
Jun 12, 2026
Date parsed from source:
Jun 12, 2026

First seen by Releasebot:
Jun 16, 2026
LangGraph by LangChain

langgraph==1.2.5

LangGraph releases 1.2.5 with bug fixes, metadata merging, and a CLI update.
Changes since 1.2.4

release(langgraph): 1.2.5 (#8062)

fix(langgraph): merge lc_versions config metadata (#8052)

release(cli): 0.4.28 (#8041)

fix: updateState bug for deltaChannel on empty thread (#8011)

chore: migrate Python type checking to ty (#8002)

chore(deps-dev): bump types-requests from 2.33.0.20260408 to 2.33.0.20260518 in /libs/langgraph (#7977)

chore(deps): bump the minor-and-patch group in /libs/langgraph with 14 updates (#7975)

Original source
Jun 11, 2026
Date parsed from source:
Jun 11, 2026

First seen by Releasebot:
Jun 11, 2026
LangGraph by LangChain

langgraph-cli==0.4.29

LangGraph CLI adds HTTPS dev server support with certfile and cert key options.

Changes since cli==0.4.28

release(cli): 0.4.29 (#8046)

feat(cli): add support for passing certfile and cert key to run dev server under HTTPS (#8031)
Original source