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Pull requests: langchain-ai/langchain
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chore(model-profiles): refresh model profile data
bot
infra
PRs made that include chores, devops, repo meta changes
integration
PR made that is related to a provider partner package integration
internal
model-profiles
`langchain-model-profiles` package issues & PRs
openrouter
`langchain-openrouter` package issues & PRs
size: M
200-499 LOC
#37802
opened May 31, 2026 by
langchain-model-profile-bot
Bot
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RFC: track anthropic service tier and geo tokens
anthropic
`langchain-anthropic` package issues & PRs
integration
PR made that is related to a provider partner package integration
internal
size: M
200-499 LOC
#37759
opened May 28, 2026 by
Bagatur (baskaryan)
Collaborator
•
Draft
3 tasks done
feat(langchain): project subagent runs onto typed run.subagents channel
dependencies
Pull requests that update a dependency file (e.g. `pyproject.toml` or `uv.lock`)
feature
For PRs that implement a new feature; NOT A FEATURE REQUEST
internal
langchain
`langchain` package issues & PRs
size: L
500-999 LOC
#37739
opened May 28, 2026 by
Nick Hollon (nick-hollon-lc)
Contributor
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feat(core, anthropic, openai): aclose() lifecycle + latched fallbacks
anthropic
`langchain-anthropic` package issues & PRs
core
`langchain-core` package issues & PRs
feature
For PRs that implement a new feature; NOT A FEATURE REQUEST
integration
PR made that is related to a provider partner package integration
internal
openai
`langchain-openai` package issues & PRs
size: L
500-999 LOC
#37718
opened May 27, 2026 by
Bagatur (baskaryan)
Collaborator
•
Draft
4 tasks done
fix(langchain): neutralize For PRs that implement a fix
internal
langchain
`langchain` package issues & PRs
size: S
50-199 LOC
write_todos tool message
fix
#37698
opened May 26, 2026 by
Nick Hollon (nick-hollon-lc)
Contributor
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feat(groq): map context-length errors to For PRs that implement a new feature; NOT A FEATURE REQUEST
groq
`langchain-groq` package issues & PRs
integration
PR made that is related to a provider partner package integration
new-contributor
size: S
50-199 LOC
ContextOverflowError
external
feature
#37676
opened May 25, 2026 by
Aditya Singh (adityasingh2400)
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feat(langchain): add For PRs that implement a new feature; NOT A FEATURE REQUEST
internal
langchain
`langchain` package issues & PRs
size: S
50-199 LOC
interrupt_mode and when predicate to HumanInTheLoopMiddleware
feature
#37579
opened May 20, 2026 by
Sydney Runkle (sydney-runkle)
Collaborator
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feat(openai): add ChatGPT OAuth-backed For PRs that implement a new feature; NOT A FEATURE REQUEST
integration
PR made that is related to a provider partner package integration
internal
openai
`langchain-openai` package issues & PRs
size: XL
1000+ LOC
ChatOpenAICodex chat model
feature
#37569
opened May 19, 2026 by
open-swe
Bot
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fix(core): preserve message classes in `langchain-core` package issues & PRs
external
fix
For PRs that implement a fix
size: S
50-199 LOC
trusted-contributor
>= 5 merged PRs in the `langchain-ai/langchain` repo
Serializable envelopes
core
#37471
opened May 16, 2026 by
Guofang.Tang (T1mn)
Contributor
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[codex] Include tool_call_id on tool start events
core
`langchain-core` package issues & PRs
external
new-contributor
size: S
50-199 LOC
#37445
opened May 15, 2026 by
Mukunda Rao Katta (MukundaKatta)
•
Draft
feat(langchain): conditional interrupts via For PRs that implement a new feature; NOT A FEATURE REQUEST
internal
langchain
`langchain` package issues & PRs
size: M
200-499 LOC
interrupt_when predicate
feature
#37367
opened May 12, 2026 by
Nick Hollon (nick-hollon-lc)
Contributor
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feat(model-profiles): add input/output MIME type fields to `langchain-anthropic` package issues & PRs
core
`langchain-core` package issues & PRs
feature
For PRs that implement a new feature; NOT A FEATURE REQUEST
integration
PR made that is related to a provider partner package integration
internal
model-profiles
`langchain-model-profiles` package issues & PRs
openai
`langchain-openai` package issues & PRs
perplexity
`langchain-perplexity` package issues & PRs
size: XL
1000+ LOC
ModelProfile
anthropic
feat: Scoping for conditional interrupts
feature
For PRs that implement a new feature; NOT A FEATURE REQUEST
internal
size: M
200-499 LOC
#37243
opened May 7, 2026 by
Brace Sproul (bracesproul)
Member
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feat(langchain): For PRs that implement a new feature; NOT A FEATURE REQUEST
internal
langchain
`langchain` package issues & PRs
size: L
500-999 LOC
SecretMiddleware for tool-call credential detection
feature
#37192
opened May 5, 2026 by
Bagatur (baskaryan)
Collaborator
•
Draft
feat(langchain): For PRs that implement a new feature; NOT A FEATURE REQUEST
internal
langchain
`langchain` package issues & PRs
size: L
500-999 LOC
rejection_response override for HumanInTheLoopMiddleware
feature
#37167
opened May 3, 2026 by
Mason Daugherty (mdrxy)
Member
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feat(openai): support apply_patch built-in tool
core
`langchain-core` package issues & PRs
external
feature
For PRs that implement a new feature; NOT A FEATURE REQUEST
integration
PR made that is related to a provider partner package integration
new-contributor
openai
`langchain-openai` package issues & PRs
size: M
200-499 LOC
#37157
opened May 3, 2026 by
Nidhi Rajani (nidhi1603)
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perf(core): eliminate redundant schema computation in tool infrastructure
core
`langchain-core` package issues & PRs
internal
performance
size: XL
1000+ LOC
#37101
opened Apr 30, 2026 by
Sydney Runkle (sydney-runkle)
Collaborator
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feat(anthropic): add `langchain-anthropic` package issues & PRs
feature
For PRs that implement a new feature; NOT A FEATURE REQUEST
integration
PR made that is related to a provider partner package integration
internal
size: XL
1000+ LOC
AnthropicToolIdSanitizationMiddleware
anthropic
#37096
opened Apr 30, 2026 by
Mason Daugherty (mdrxy)
Member
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feat(mistralai): surface citation metadata from chat responses
external
feature
For PRs that implement a new feature; NOT A FEATURE REQUEST
integration
PR made that is related to a provider partner package integration
mistralai
`langchain-mistralai` package issues & PRs
new-contributor
size: S
50-199 LOC
#37008
opened Apr 25, 2026 by
JulienRabault
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fix(core): use parsed mime_type for base64 file blocks in openai translator
core
`langchain-core` package issues & PRs
external
fix
For PRs that implement a fix
new-contributor
size: S
50-199 LOC
#36940
opened Apr 22, 2026 by
Anmol Jaiswal (anmolg1997)
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perf(core): defer tracer imports in runnables/base.py to call time
core
`langchain-core` package issues & PRs
dependencies
Pull requests that update a dependency file (e.g. `pyproject.toml` or `uv.lock`)
internal
langchain
`langchain` package issues & PRs
performance
size: M
200-499 LOC
#36920
opened Apr 21, 2026 by
Sydney Runkle (sydney-runkle)
Collaborator
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1 task
feat(langchain): For PRs that implement a new feature; NOT A FEATURE REQUEST
internal
langchain
`langchain` package issues & PRs
size: M
200-499 LOC
MiddlewareTransformer for agent streams
feature
#36898
opened Apr 20, 2026 by
Nick Hollon (nick-hollon-lc)
Contributor
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feat(langchain): AgentStreamer for create_agent graphs
anthropic
`langchain-anthropic` package issues & PRs
core
`langchain-core` package issues & PRs
dependencies
Pull requests that update a dependency file (e.g. `pyproject.toml` or `uv.lock`)
feature
For PRs that implement a new feature; NOT A FEATURE REQUEST
integration
PR made that is related to a provider partner package integration
internal
langchain
`langchain` package issues & PRs
openai
`langchain-openai` package issues & PRs
size: M
200-499 LOC
standard-tests
Related to the package `standard-tests`
#36897
opened Apr 20, 2026 by
Nick Hollon (nick-hollon-lc)
Contributor
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docs: security add threat models for langchain-core and langchain_v1
documentation
Improvements or additions to documentation
internal
size: L
500-999 LOC
#36642
opened Apr 9, 2026 by
John Kennedy (jkennedyvz)
Contributor
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