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langgraph releases

Build resilient language agents as graphs.

All releases

95 shown

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1.2.4 Bug fix

_on_started fix

No immediate action
1.2.3 Mixed

v3 streaming, subagent naming, websocket streams

No immediate action
sdk==0.4.2 Bug fix

Fix thread_id encoding

No immediate action
sdk==0.4.1 New feature

v3 streaming + stream decoders

No immediate action
cli==0.4.27 Maintenance

Routine maintenance and dependency updates.

No immediate action
sdk==0.4.0 New feature

Streaming features

No immediate action
1.2.2 Bug fix

Stable ID fix

No immediate action
checkpoint==4.1.1 Maintenance

Routine maintenance and dependency updates.

Review required
sdk==0.3.15 Mixed
Dependencies

SDK update + dep bumps + cron filter

No immediate action
1.2.1 Bug fix

v3 message fix

No immediate action
1.2.0 New feature

Durable handler + node defaults + SQLite walk

No immediate action
prebuilt==1.1.0 Maintenance

Routine maintenance and dependency updates.

No immediate action
cli==0.4.26 Maintenance

Routine maintenance and dependency updates.

cli==0.4.25 Maintenance
Notable features
  • Support studio deploy
Full changelog

Changes since cli==0.4.24

  • release: bump cli version (#7734)
  • feat(cli): support studio deploy (#7394)
  • chore(deps): bump the minor-and-patch group in /libs/cli with 4 updates (#7674)
  • chore(deps): bump the minor-and-patch group in /libs/cli/js-examples with 8 updates (#7673)
  • chore(deps): bump the minor-and-patch group in /libs/cli/js-monorepo-example with 7 updates (#7671)
  • chore: update x links to langchain_oss (#7645)
checkpointsqlite==3.1.0a1 Maintenance

Minor fixes and improvements.

Full changelog

Changes since checkpointsqlite==3.0.3

  • feat(checkpoint-sqlite): override get_delta_channel_history with streaming walk (#7702)
  • release: alpha bump (a4) for langgraph, checkpoint, checkpoint-postgres (#7701)
  • feat: public get_writes_history saver API + delta cadence rework (#7699)
  • chore(deps): bump the minor-and-patch group in /libs/checkpoint-sqlite with 2 updates (#7668)
  • release: alpha bump (a3) for langgraph, checkpoint, checkpoint-postgres (#7678)
  • release: alpha for timers (#7647)
  • chore: update x links to langchain_oss (#7645)
  • release(checkpoint): 4.0.3 (#7625)
  • chore(deps): bump langsmith from 0.6.4 to 0.7.31 in /libs/checkpoint-sqlite (#7524)
  • release(checkpoint): 4.0.2 (#7518)
  • docs: document LANGGRAPH_STRICT_MSGPACK for checkpoint security (#7517)
  • chore(deps): bump pytest from 9.0.2 to 9.0.3 in /libs/checkpoint-sqlite (#7502)
  • chore(deps): bump langchain-core from 1.2.22 to 1.2.28 in /libs/checkpoint-sqlite (#7451)
  • chore(deps): bump the minor-and-patch group in /libs/checkpoint-sqlite with 3 updates (#7374)
  • chore(deps): bump pygments from 2.19.2 to 2.20.0 in /libs/checkpoint-sqlite (#7350)
  • chore(deps): bump langchain-core from 1.2.11 to 1.2.22 in /libs/checkpoint-sqlite (#7318)
  • chore(deps): bump requests from 2.32.5 to 2.33.0 in /libs/checkpoint-sqlite (#7279)
  • chore(deps): bump the all-dependencies group in /libs/checkpoint-sqlite with 2 updates (#7248)
  • chore(deps): bump ruff from 0.15.5 to 0.15.6 in /libs/checkpoint-sqlite in the all-dependencies group (#7191)
  • chore(deps): bump orjson from 3.11.5 to 3.11.6 in /libs/checkpoint-sqlite (#7144)
  • chore(deps): bump the all-dependencies group across 1 directory with 2 updates (#7070)
  • release(checkpoint): 0.4.1 (#6966)
  • chore: add serde events (#6954)
  • chore: update defaults (#6953)
  • release: rc2 (#6949)
  • release: Candidate (#6947)
  • Merge commit from fork
  • chore(deps-dev): bump ruff from 0.15.1 to 0.15.2 in /libs/checkpoint-sqlite in the all-dependencies group (#6913)
  • chore: add make type target for type checking (#6748)
  • chore(deps): bump ruff from 0.14.13 to 0.15.1 in /libs/checkpoint-sqlite in the all-dependencies group (#6807)
  • chore(deps): bump langchain-core from 1.2.7 to 1.2.11 in /libs/checkpoint-sqlite (#6828)
sdk==0.3.14 New feature
Notable features
  • Added `return_minimal` parameter to threads update method.
  • Introduced streaming transformer infrastructure with tests.
Full changelog

Changes since sdk==0.3.13

  • release(sdk-py): 0.3.14 (#7712)
  • feat(sdk-py): add return_minimal to threads update (#7704)
  • release: alpha bump (a4) for langgraph, checkpoint, checkpoint-postgres (#7701)
  • release: alpha bump langgraph 1.2.0a6 (#7697)
  • release: alpha bump prebuilt 1.1.0a2, langgraph 1.2.0a5 (#7682)
  • release: alpha bump prebuilt 1.1.0a1, langgraph 1.2.0a4 (#7679)
  • feat(langgraph): dispatch stream_events(version='v3') on Pregel (#7677)
  • release: alpha bump (a3) for langgraph, checkpoint, checkpoint-postgres (#7678)
  • release: alpha for timers (#7647)
  • chore: update x links to langchain_oss (#7645)
  • feat(langgraph): add streaming transformer infrastructure and tests (#7519)
  • chore(deps): bump the minor-and-patch group across 1 directory with 4 updates (ty held back) (#7635)
  • release(prebuilt): 1.0.12, langgraph 1.1.10 (#7623)
  • release(checkpoint): 4.0.3 (#7625)
  • release(prebuilt): 1.0.11 (#7610)
  • feat(prebuilt): allow ToolNode tools to return list[Command | ToolMessage] (#7596)
  • chore(langgraph): bump version 1.1.8 -> 1.1.9 (#7563)
  • release(langgraph): 1.1.8 (#7545)
  • release(prebuilt): 1.0.10 (#7541)
  • release(langgraph): 1.1.7 (#7540)
  • chore(deps): bump langsmith from 0.7.20 to 0.7.31 in /libs/sdk-py (#7528)
  • release(checkpoint): 4.0.2 (#7518)
  • chore(deps-dev): bump pytest from 9.0.2 to 9.0.3 in /libs/sdk-py (#7504)
  • release(langgraph): 1.1.7a2 (#7511)
  • chore: allow passing some metadata only for tracing purposes (#7383)
  • release(langgraph): 1.1.7a1 (#7476)
  • chore(deps): bump langchain-core from 1.2.22 to 1.2.28 in /libs/sdk-py (#7449)
checkpointpostgres==3.1.0a4 New feature
Notable features
  • Public `get_writes_history` saver API introduced.
  • Delta cadence rework for checkpoint-postgres.
Full changelog

Changes since checkpointpostgres==3.1.0a3

  • release: alpha bump (a4) for langgraph, checkpoint, checkpoint-postgres (#7701)
  • feat: public get_writes_history saver API + delta cadence rework (#7699)
  • chore(deps): bump the minor-and-patch group in /libs/checkpoint-postgres with 2 updates (#7665)
1.2.0a7 New feature
Notable features
  • Public `get_writes_history` saver API introduced with delta cadence rework
Full changelog

Changes since 1.2.0a6

  • release: alpha bump (a4) for langgraph, checkpoint, checkpoint-postgres (#7701)
  • feat: public get_writes_history saver API + delta cadence rework (#7699)
checkpoint==4.1.0a4 New feature
Notable features
  • Public `get_writes_history` saver API introduced.
  • Delta cadence reworked.
Full changelog

Changes since checkpoint==4.1.0a3

  • release: alpha bump (a4) for langgraph, checkpoint, checkpoint-postgres (#7701)
  • feat: public get_writes_history saver API + delta cadence rework (#7699)
1.2.0a6 Maintenance
Notable features
  • Forward kwargs through stream_events(version="v3")
Full changelog

Changes since 1.2.0a5

  • release: alpha bump langgraph 1.2.0a6 (#7697)
  • feat(langgraph): forward kwargs through stream_events(version="v3") (#7696)
  • chore(deps): bump the minor-and-patch group across 1 directory with 6 updates (#7675)
  • chore(deps): bump notebook from 7.5.2 to 7.5.6 in /libs/langgraph (#7657)
1.2.0a5 Bug fix

Fixed coercion of dict/str writes in _messages_delta_reducer.

Full changelog

Changes since 1.2.0a4

  • release: alpha bump prebuilt 1.1.0a2, langgraph 1.2.0a5 (#7682)
  • fix(langgraph): coerce dict/str writes in _messages_delta_reducer (#7680)
prebuilt==1.1.0a2 Bug fix

Scoped ToolCallTransformer projection to its own namespace.

Full changelog

Changes since prebuilt==1.1.0a1

  • release: alpha bump prebuilt 1.1.0a2, langgraph 1.2.0a5 (#7682)
  • fix(prebuilt): scope ToolCallTransformer projection to its own namespace (#7681)
1.2.0a4 Maintenance

Minor fixes and improvements.

Changelog

Changes since 1.2.0a3

  • release: alpha bump prebuilt 1.1.0a1, langgraph 1.2.0a4 (#7679)
prebuilt==1.1.0a1 New feature
Notable features
  • Added streaming transformer infrastructure and tests to langgraph
  • Dispatch stream_events(version='v3') on Pregel in langgraph
Full changelog

Changes since prebuilt==1.0.13

  • release: alpha bump prebuilt 1.1.0a1, langgraph 1.2.0a4 (#7679)
  • feat(langgraph): dispatch stream_events(version='v3') on Pregel (#7677)
  • release: alpha bump (a3) for langgraph, checkpoint, checkpoint-postgres (#7678)
  • fix(langgraph): arrival-ordered interleave for StreamChannel projections (#7643)
  • fix(prebuilt): default ToolRuntime tools to empty list (#7650)
  • release: alpha for timers (#7647)
  • chore: update x links to langchain_oss (#7645)
  • refactor(langgraph,prebuilt): merge EventLog into StreamChannel with optional name (#7637)
  • feat(langgraph): add streaming transformer infrastructure and tests (#7519)
  • chore(deps): bump the minor-and-patch group across 1 directory with 4 updates (ty held back) (#7635)
1.2.0a3 New feature
Notable features
  • Native v2 projections for custom, updates, checkpoints, debug, and tasks
  • Streaming transformer infrastructure with tests
  • Node-level error handlers
Full changelog

Changes since 1.2.0a2

  • feat(langgraph): dispatch stream_events(version='v3') on Pregel (#7677)
  • release: alpha bump (a3) for langgraph, checkpoint, checkpoint-postgres (#7678)
  • chore(langgraph): use two phase read to avoid unnecessary data transport (#7660)
  • fix(langgraph): make NodeTimeoutError retryable by default (#7659)
  • fix(langgraph): arrival-ordered interleave for StreamChannel projections (#7643)
  • feat(langgraph): add node-level error handlers (#7233)
  • feat: allow graph to graceful shutdown/drain by request (#7274)
  • release: alpha for timers (#7647)
  • feat(langgraph): DeltaChannel: store sentinel in blobs, reconstruct from checkpoint_writes (#7586)
  • chore: dynamic push-task timeouts (#7646)
  • chore: update x links to langchain_oss (#7645)
  • chore: idle timeout (#7631)
  • feat(langgraph): native v2 projections for custom, updates, checkpoints, debug, tasks (#7640)
  • fix(langgraph): decouple run.output/interrupted/interrupts from ValuesTransformer (#7639)
  • refactor(langgraph,prebuilt): merge EventLog into StreamChannel with optional name (#7637)
  • feat(langgraph): add streaming transformer infrastructure and tests (#7519)
  • chore(deps): bump the minor-and-patch group across 1 directory with 4 updates (ty held back) (#7635)
  • release(prebuilt): 1.0.12, langgraph 1.1.10 (#7623)
  • Revert "chore: node-level timeouts" (#7627)
  • release(checkpoint): 4.0.3 (#7625)
  • chore(deps): bump nbconvert from 7.17.0 to 7.17.1 in /libs/langgraph (#7573)
  • chore(deps): bump python-dotenv from 1.2.1 to 1.2.2 in /libs/langgraph (#7574)
  • chore: node-level timeouts (#7599)
  • release(prebuilt): 1.0.11 (#7610)
  • feat(prebuilt): allow ToolNode tools to return list[Command | ToolMessage] (#7596)
checkpointpostgres==3.1.0a3 Maintenance

Minor fixes and improvements.

Full changelog

Changes since checkpointpostgres==3.1.0a1

  • release: alpha bump (a3) for langgraph, checkpoint, checkpoint-postgres (#7678)
  • chore(langgraph): use two phase read to avoid unnecessary data transport (#7660)
checkpoint==4.1.0a3 Maintenance
Notable features
  • `DeltaChannel`: store sentinel in blobs, reconstruct from checkpoint_writes
Full changelog

Changes since checkpoint==4.1.0a2

  • release: alpha bump (a3) for langgraph, checkpoint, checkpoint-postgres (#7678)
  • chore(langgraph): use two phase read to avoid unnecessary data transport (#7660)
  • release: alpha for timers (#7647)
  • feat(langgraph): DeltaChannel: store sentinel in blobs, reconstruct from checkpoint_writes (#7586)
  • chore: dynamic push-task timeouts (#7646)
  • chore: update x links to langchain_oss (#7645)
  • release(checkpoint): 4.0.3 (#7625)
  • fix(checkpoint): revive lc=2 JSON blobs for safe types without allowlist (#7582)
checkpoint==4.1.0a2 Maintenance

Minor fixes and improvements.

Changelog

Changes since checkpoint==4.1.0a1

1.2.0a2 Bug fix
Notable features
  • Add node-level error handlers
Full changelog

Changes since 1.2.0a1

  • fix(langgraph): make NodeTimeoutError retryable by default (#7659)
  • fix(langgraph): arrival-ordered interleave for StreamChannel projections (#7643)
  • feat(langgraph): add node-level error handlers (#7233)
checkpointpostgres==3.1.0a1 Maintenance

Minor fixes and improvements.

Full changelog

Changes since checkpointpostgres==3.0.5

  • release(checkpoint-postgres): pin to checkpoint 4.1.0a1 (#7648)
  • release: alpha for timers (#7647)
  • feat(langgraph): DeltaChannel: store sentinel in blobs, reconstruct from checkpoint_writes (#7586)
  • chore: update x links to langchain_oss (#7645)
  • release(checkpoint): 4.0.3 (#7625)
  • chore(deps): bump langsmith from 0.6.4 to 0.7.31 in /libs/checkpoint-postgres (#7527)
  • release(checkpoint): 4.0.2 (#7518)
  • docs: document LANGGRAPH_STRICT_MSGPACK for checkpoint security (#7517)
  • chore(deps): bump pytest from 9.0.2 to 9.0.3 in /libs/checkpoint-postgres (#7503)
  • chore(deps): bump langchain-core from 1.2.22 to 1.2.28 in /libs/checkpoint-postgres (#7454)
  • chore(deps): bump the minor-and-patch group in /libs/checkpoint-postgres with 3 updates (#7371)
  • chore(deps): bump pygments from 2.19.2 to 2.20.0 in /libs/checkpoint-postgres (#7349)
  • chore(deps): bump langchain-core from 1.2.11 to 1.2.22 in /libs/checkpoint-postgres (#7317)
  • chore(deps): bump anyio from 4.12.1 to 4.13.0 in /libs/checkpoint-postgres in the minor-and-patch group (#7288)
  • chore(deps): bump requests from 2.32.5 to 2.33.0 in /libs/checkpoint-postgres (#7283)
  • chore(deps): bump ruff from 0.15.6 to 0.15.7 in /libs/checkpoint-postgres in the all-dependencies group (#7245)
prebuilt==1.0.13 Maintenance
Notable features
  • Add streaming transformer infrastructure and tests
Full changelog

Changes since prebuilt==1.0.12

  • fix(prebuilt): default ToolRuntime tools to empty list (#7650)
  • release: alpha for timers (#7647)
  • chore: update x links to langchain_oss (#7645)
  • refactor(langgraph,prebuilt): merge EventLog into StreamChannel with optional name (#7637)
  • feat(langgraph): add streaming transformer infrastructure and tests (#7519)
  • chore(deps): bump the minor-and-patch group across 1 directory with 4 updates (ty held back) (#7635)
checkpoint==4.1.0a1 New feature
Notable features
  • DeltaChannel: store sentinel in blobs, reconstruct from checkpoint_writes
  • Alpha timer support
Full changelog

Changes since checkpoint==4.0.3

  • release: alpha for timers (#7647)
  • feat(langgraph): DeltaChannel: store sentinel in blobs, reconstruct from checkpoint_writes (#7586)
  • chore: dynamic push-task timeouts (#7646)
  • chore: update x links to langchain_oss (#7645)
1.2.0a1 Mixed
Notable features
  • Graceful shutdown/drain by request
  • Streaming transformer infrastructure
  • Native v2 projections for custom, updates, checkpoints, debug, and tasks
Full changelog

Changes since 1.1.10

  • feat: allow graph to graceful shutdown/drain by request (#7274)
  • release: alpha for timers (#7647)
  • feat(langgraph): DeltaChannel: store sentinel in blobs, reconstruct from checkpoint_writes (#7586)
  • chore: dynamic push-task timeouts (#7646)
  • chore: update x links to langchain_oss (#7645)
  • chore: idle timeout (#7631)
  • feat(langgraph): native v2 projections for custom, updates, checkpoints, debug, tasks (#7640)
  • fix(langgraph): decouple run.output/interrupted/interrupts from ValuesTransformer (#7639)
  • refactor(langgraph,prebuilt): merge EventLog into StreamChannel with optional name (#7637)
  • feat(langgraph): add streaming transformer infrastructure and tests (#7519)
  • chore(deps): bump the minor-and-patch group across 1 directory with 4 updates (ty held back) (#7635)
1.1.10 New feature
Notable features
  • ToolNode tools can now return list[Command | ToolMessage]
Full changelog

Changes since 1.1.9

  • release(prebuilt): 1.0.12, langgraph 1.1.10 (#7623)
  • Revert "chore: node-level timeouts" (#7627)
  • release(checkpoint): 4.0.3 (#7625)
  • chore(deps): bump nbconvert from 7.17.0 to 7.17.1 in /libs/langgraph (#7573)
  • chore(deps): bump python-dotenv from 1.2.1 to 1.2.2 in /libs/langgraph (#7574)
  • chore: node-level timeouts (#7599)
  • release(prebuilt): 1.0.11 (#7610)
  • feat(prebuilt): allow ToolNode tools to return list[Command | ToolMessage] (#7596)
prebuilt==1.0.12 Bug fix

Fixed ToolNode state hydration from channels via pregel helpers

Full changelog

Changes since prebuilt==1.0.11

  • release(prebuilt): 1.0.12, langgraph 1.1.10 (#7623)
  • release(checkpoint): 4.0.3 (#7625)
  • fix(prebuilt): hydrate ToolNode state from channels via pregel helpers (#7594)
checkpoint==4.0.3 Bug fix

Fixed handling of legacy JSON blobs for safe types without allowlist

Full changelog

Changes since checkpoint==4.0.2

  • release(checkpoint): 4.0.3 (#7625)
  • fix(checkpoint): revive lc=2 JSON blobs for safe types without allowlist (#7582)
  • chore: dedup warnings (#7257)
  • chore(deps): bump langsmith from 0.6.4 to 0.7.31 in /libs/checkpoint (#7525)
prebuilt==1.0.11 New feature
Notable features
  • ToolNode tools can return list[Command | ToolMessage]
  • Available tools exposed on ToolRuntime
Full changelog

Changes since prebuilt==1.0.10

  • release(prebuilt): 1.0.11 (#7610)
  • feat(prebuilt): allow ToolNode tools to return list[Command | ToolMessage] (#7596)
  • chore(langgraph): bump version 1.1.8 -> 1.1.9 (#7563)
  • feat(prebuilt): expose available tools on ToolRuntime (#7512)
  • release(langgraph): 1.1.8 (#7545)
cli==0.4.24 Maintenance

Minor fixes and improvements.

Full changelog

Changes since cli==0.4.23

  • chore: mixup cli formatting (#7585)
  • chore(deps): bump the pip group across 3 directories with 1 update (#7537)
1.1.9 Bug fix

Fixes ReplayState incorrectly propagating to subgraphs on plain resume.

Full changelog

Changes since 1.1.8

  • chore(langgraph): bump version 1.1.8 -> 1.1.9 (#7563)
  • fix(langgraph): don't propagate ReplayState to subgraphs on plain resume (#7561)
  • chore(langgraph): undo unnecessary changes in stream handler (#7536)
1.1.8 Bug fix

Fixed strict add_handler type check that broke OpenTelemetry instrumentation.

Full changelog

Changes since 1.1.7

  • release(langgraph): 1.1.8 (#7545)
  • fix(langgraph): remove strict add_handler type check that breaks OTel instrumentation (#7544)
  • release(prebuilt): 1.0.10 (#7541)
  • release(cli): 0.4.23 (#7542)
prebuilt==1.0.10 Bug fix

Minor fixes and improvements.

Full changelog

Changes since prebuilt==1.0.9

  • release(prebuilt): 1.0.10 (#7541)
  • release(langgraph): 1.1.7 (#7540)
  • fix(prebuilt): handle injected NotRequired keys (#7392)
  • chore(deps): bump langsmith from 0.6.4 to 0.7.31 in /libs/prebuilt (#7530)
  • release(checkpoint): 4.0.2 (#7518)
  • chore(deps): bump pytest from 9.0.2 to 9.0.3 in /libs/prebuilt (#7505)
  • release(langgraph): 1.1.7a2 (#7511)
  • chore: allow passing some metadata only for tracing purposes (#7383)
  • release(langgraph): 1.1.7a1 (#7476)
  • chore(deps-dev): bump the minor-and-patch group in /libs/prebuilt with 3 updates (#7376)
  • release: langgraph 1.1.6 (#7407)
cli==0.4.23 Maintenance

Changes since cli==0.4.22 * release(cli): 0.4.23 (#7542)

Changelog

Changes since cli==0.4.22

  • release(cli): 0.4.23 (#7542)
1.1.7 Bug fix

Fixes time travel functionality when reverting to interrupt nodes.

Full changelog

Changes since 1.1.7a2

  • release(langgraph): 1.1.7 (#7540)
  • fix: time travel when going back to interrupt node (#7498)
  • chore(deps): bump langsmith from 0.6.4 to 0.7.31 in /libs/langgraph (#7526)
  • release(checkpoint): 4.0.2 (#7518)
cli==0.4.22 Maintenance

Minor fixes and improvements.

Full changelog

Changes since cli==0.4.21

  • CLI bump
  • chore: start tracking cli deploy source (#7520)
  • chore(deps): bump langsmith from 0.7.26 to 0.7.31 in /libs/cli (#7529)
  • chore(deps): bump the uv group across 2 directories with 1 update (#7531)
  • chore(deps): bump langsmith from 0.5.18 to 0.5.20 in /libs/cli/js-examples (#7522)
  • chore(deps): bump langsmith from 0.5.18 to 0.5.20 in /libs/cli/js-monorepo-example (#7521)
  • chore(deps): bump langchain-core from 1.2.27 to 1.2.28 in /libs/cli (#7450)
  • chore(deps): bump langsmith from 0.5.4 to 0.5.18 in /libs/cli/js-examples (#7474)
  • chore(deps): bump langsmith from 0.5.4 to 0.5.18 in /libs/cli/js-monorepo-example (#7475)
  • chore(deps): bump uv from 0.11.3 to 0.11.6 in /libs/cli (#7472)
  • chore(deps): bump cryptography from 46.0.6 to 46.0.7 in /libs/cli (#7456)
  • chore(deps): bump the uv group across 2 directories with 1 update (#7458)
1.1.7a2 Bug fix

Bug fix for assistant_id configuration and metadata handling for tracing.

cli==0.4.21 Maintenance

Changes since cli==0.4.20 * chore(cli): add validate command (#7438)

cli==0.4.20 New feature
Notable features
  • remote build support for langgraph deploy
  • persist deployment name to .env
sdk==0.3.13 New feature
Notable features
  • langsmith_tracing param to runs.create/stream/wait
1.1.6 Bug fix

Changes since 1.1.5 * release: langgraph 1.1.6 (#7407) * fix: execution info patching (#7406)

1.1.5 New feature
Notable features
  • enhanced runtime with execution information
  • remote build support
sdk==0.3.12 Maintenance

Maintenance release with dependency version updates across the SDK.

checkpointpostgres==3.0.5 Bug fix

Fixed connection reuse issue in PostgreSQL checkpoint storage for improved resource utilization.

cli==0.4.18 Maintenance

Changes since cli==0.4.17 * release(cli): 0.4.18 (#7186) * chore: update error message (#7185)

cli==0.4.16 New feature
Notable features
  • deploy logs subcommand
  • deploy list and delete subcommands
  • distributed runtime support
1.1.0 New feature
Notable features
  • type safe stream/invoke with version='v2'
  • GraphOutput and StreamPart types
  • automatic Pydantic/dataclass coercion
cli==0.4.15 Mixed
Security fixes
  • blocked shell injection in build/install commands
Notable features
  • langgraph deploy command
cli==0.4.14 Security relevant
Security fixes
  • CVE-2026-26996
  • CVE-2026-27903
  • CVE-2026-27904
Notable features
  • keep_latest prune strategy for ThreadTTLConfig
  • graph config description field support
checkpoint==4.0.1rc3 Maintenance

Updated defaults and added CI workflow dispatch support for improved release automation.

checkpoint==4.0.1rc2 Maintenance

Improved subclass handling in checkpoint module for better extensibility.

checkpoint==4.0.1rc1 Maintenance

Release candidate with conformance testing improvements and dependency updates.

1.0.10rc1 Bug fix

Fixed ParentCommand bubbling issue when checkpoint namespace includes numeric task segments.

sdk==0.3.8 New feature
Notable features
  • stream_mode, stream_subgraphs, stream_resumable, durability for crons
  • improved store auth type safety
1.0.9 Bug fix

Fixed sequential interrupt handling with functional API and improved state update sorting.

prebuilt==1.0.8 New feature
Notable features
  • inject ToolRuntime for dynamically registered tools
sdk==0.3.7 New feature
Notable features
  • allow reset of config/context in assistants update
1.0.8 Bug fix

Fixed pydantic message double streaming and optimized connection pool handling

sdk==0.3.4 New feature
Notable features
  • update method for crons client
  • support for enabling/disabling crons
checkpointpostgres==3.0.4 Maintenance

Optimized connection pool locking behavior and updated dependencies

prebuilt==1.0.7 New feature
Notable features
  • support dynamic tool calling via tool override in wrap_model_call
checkpointsqlite==3.0.3 Bug fix

Fixed aiosqlite breaking change compatibility and upgraded dependencies

checkpointpostgres==3.0.3 Maintenance
Breaking changes
  • default base cache behavior changed
1.0.6 Mixed
Breaking changes
  • default base cache behavior changed
  • default recursion limit changed
Notable features
  • compile-time checkpointer type validation
prebuilt==1.0.6 Mixed
Breaking changes
  • default base cache behavior changed
Notable features
  • support generic type arguments for ToolRuntime injection
  • custom encryption at rest
  • pagination in assistants search response
checkpointsqlite==3.0.2 Maintenance
Breaking changes
  • default base cache behavior changed
checkpoint==4.0.0 Mixed
Breaking changes
  • default base cache behavior changed
Notable features
  • InMemorySaver context managers return self

Beta — feedback welcome: [email protected]