Changes since langchain-core==1.7.5 release(core): 1.7.6 (#41698) perf(core): merge streamed AIMessageChunks once when accumulating runnable streams (#41697) perf(core): stop parse_partial_json from retrying one character at a time (#41467)
Changes since langchain-fireworks==1.7.1 fix(fireworks): report streamed token usage once (#41693) release(fireworks): 1.7.2 (#41690) fix(fireworks): report the served model in response metadata (#41686) chore(model-profiles): refresh model profile data (#41669) fix(fireworks): promote reranking out of beta (#41551) chore(model-profiles): refresh model profile data (#41432) chore(infra): relax thi…
Changes since langchain==1.4.8 release(langchain): 1.4.9 (#41684) chore(deps): require langchain-core>=1.7.5 for refusal handling (#41682) feat(core): standardize model refusal content blocks (#41582)
Changes since langchain-openai==1.7.3 release(openai): 1.7.4 (#41683) chore(deps): require langchain-core>=1.7.5 for refusal handling (#41682) feat(core): standardize model refusal content blocks (#41582) chore(model-profiles): refresh model profile data (#41556)
Changes since langchain-anthropic==1.7.9 release(anthropic): 1.7.10 (#41685) chore(deps): require langchain-core>=1.7.5 for refusal handling (#41682) feat(core): translate Gemini safety blocks to refusal content blocks (#41658) feat(core): standardize model refusal content blocks (#41582)
Changes since langchain-core==1.7.4 release(core): 1.7.5 (#41665) feat(core): translate Gemini safety blocks to refusal content blocks (#41658) fix(core): end tool run on cancellation (#41660) feat(core): standardize model refusal content blocks (#41582) fix(core): load RemoveMessage serialized by LangChain.js (#41642)
Initial release release(typesafe): 0.0.1 (#41650) chore(infra): relax third-party dependency upper bounds (#41407) chore(deps): bump certifi from 2026.7.22 to 2026.10.19 in /libs/partners/typesafe (#41375) fix: fix dependencies in some partner packages (#41266) release(typesafe): 0.0.1a3 (#40693) feat(typesafe): make classifier questions invocation-scoped (#40659) release(typesafe): bump to 0.0.1a…
Changes since langchain-anthropic==1.7.8 release(anthropic): 1.7.9 (#41644) fix(anthropic): report streamed content-block tokens to callbacks (#41643)
WarningPython 3.10 support will be dropped in langchain-core 1.8.0 and langchain 1.5.0. The current minor versions are the last to support Python 3.10. Please upgrade to Python 3.11 or later. Changes since langchain==1.4.7 chore(langchain): bump langchain-core (#41640) release(langchain): 1.4.8 (#41636) chore(deps): bump pyasn1 from 0.6.4 to 0.6.5 in /libs/langchain_v1 (#41591) chore(deps): bump j…
WarningPython 3.10 support will be dropped in langchain-core 1.8.0 and langchain 1.5.0. The current minor versions are the last to support Python 3.10. Please upgrade to Python 3.11 or later. Changes since langchain-core==1.7.3 release(core): 1.7.4 (#41635) fix(core): avoid mutating message content in Anthropic translator (#40213)
Changes since langchain-anthropic==1.7.7 release(anthropic): 1.7.8 (#41638) fix(anthropic): strip index from compaction blocks (#41637) fix(anthropic): handle null cache-creation token counts (#41553)
Changes since langchain-core==1.7.2 release(core): 1.7.3 (#41564)
Changes since langchain-core==1.7.1 release(core): 1.7.2 (#41562) feat(core): add add_notification_metadata and get_notification_metadata (#41540) fix(core): stop merge_content from changing the first message's content (#41502)
Changes since langchain-core==1.7.0 release(core): version 1.7.1 (#41548) fix(core): preserve gateway tracing metadata in v3 streams (#41504) fix(core): escape node metadata in Mermaid labels (#41512) chore(deps): bump the minor-and-patch group across 3 directories with 32 updates (#41465) chore(deps-dev): bump setuptools from 83.0.0 to 84.1.0 in /libs/core (#41442) chore(deps): bump nbconvert fro…
Changes since langchain-anthropic==1.7.6 release(anthropic): 1.7.7 (#41538) fix(anthropic): trace resolved reasoning effort (#41536) chore(infra): relax third-party dependency upper bounds (#41407) chore(deps): bump certifi from 2025.11.12 to 2026.10.19 in /libs/partners/anthropic (#41391) fix: fix dependencies in some partner packages (#41266)
Changes since langchain-openai==1.7.2 test(openai): use current lightweight model in integration tests (#41509) release(openai): 1.7.3 (#41506) chore(model-profiles): refresh openai model profile data (#41505) build(infra): patch test-only Pillow without dropping Python 3.10 (#41484) revert: patch vulnerable integration dependencies (#41481) build(deps): patch vulnerable integration dependencies (…
Changes since langchain-core==1.6.13 release(core): 1.7.0 (#41418) feat(core): emit tool-call-delta for streamed tool-call args (#41257) Notes Tool-call args now stream as tool-call-delta slices instead of block-delta snapshots of the args so far. If you read raw stream events and their block-delta args mid-stream, read tool-call-delta instead. .tool_calls.get() and .output are unchanged. To keep…
Changes since langchain==1.4.6 chore(langchain): update lockfile (#41402) release(langchain): 1.4.7 (#41401) chore(deps): bump certifi from 2025.11.12 to 2026.10.19 in /libs/langchain_v1 (#41370) feat(core,langchain,standard-tests): read tool-call-delta in stream consumers (#41246) chore(deps): bump aiohttp from 3.14.4 to 3.14.5 in /libs/langchain_v1 (#41360) chore(deps): bump aiohttp from 3.14.3…
Changes since langchain-core==1.6.12 release(core): 1.6.13 (#41397) chore(deps): bump certifi from 2025.11.12 to 2026.10.19 in /libs/core (#41373) feat(core,langchain,standard-tests): read tool-call-delta in stream consumers (#41246)
Changes since langchain-perplexity==1.4.1 release(perplexity): 1.4.2 (#41392) chore(model-profiles): refresh model profile data (#41354) chore(deps): bump certifi from 2025.8.3 to 2026.10.19 in /libs/partners/perplexity (#41377) fix(perplexity): preserve Agent API search results (#41349) fix: fix dependencies in some partner packages (#41266) chore(deps): bump urllib3 from 2.7.0 to 2.8.0 in /libs/…
Changes since langchain-core==1.6.11 release(core): 1.6.12 (#41277) fix(core): propagate extras on content-block-start events (#41272)
Changes since langchain-core==1.6.10 release(core): 1.6.11 (#41260) feat(core): accept address inside LangChainTracer (#41006)
Changes since langchain==1.4.5 release(langchain): 1.4.6 (#41247) feat(langchain): add opt-in per-call interrupts to HITL middleware (#41062)
Changes since langchain-openai==1.7.1 release(openai): 1.7.2 (#41245) fix(openai): keep Responses stream items on one block when output_index drifts (#41121)
Changes since langchain==1.4.4 release(langchain): 1.4.5 (#41226) feat(langchain): accept summarizer in SummarizationMiddleware (#41225)
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 mid-conversation support in model profiles (#41180) chore(deps): bump langgraph-sdk from 0.4.4 to 0.4.6 in /libs/partners/anthropic (#41101) chore(deps): bump langgraph-sdk from 0.4.2 to 0.4.4 in /libs/partners/anthropic (#41080…
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)
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)
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 fsspec from 2026.6.0 to 2026.9.0 in /libs/langchain_v1 (#41097) chore(deps): bump multidict from 6.7.0 to 6.9.1 in /libs/langchain_v1 (#41075) chore(deps): bump langgraph-sdk from 0.4.2 to 0.4.4 in /libs/langchain_v1 (#41074)…
Changes since langchain-core==1.6.8 release(core): 1.6.9 (#41160) feat(core): accept a callable in with_retry (#41158)