Changes since langchain-model-profiles==0.0.5

release(model-profiles): 0.0.6 (#38057)
feat(standard-tests): validate tool call chunks during streaming (#34707)
hotfix(core): bump lockfile(s) (#38032)
release(langchain): 1.3.7 (#38024)
release(langchain): 1.3.6 (#38001)
release(langchain): 1.3.5 (#37998)
hotfix(openai): min core dep (#37990)
chore: bump idna from 3.11 to 3.15 in /libs/model-profiles (#37538)
chore: bump the minor-and-patch group across 3 directories with 15 updates (#37515)
ci(infra): harden Dependabot version-bound preservation (#37510)
hotfix: bump lockfiles (#37508)
chore: bump langsmith from 0.7.31 to 0.8.0 in /libs/model-profiles (#37382)
chore: bump urllib3 from 2.6.3 to 2.7.0 in /libs/model-profiles (#37325)
chore: bump langchain-core from 1.3.2 to 1.3.3 in /libs/model-profiles (#37254)
chore: bump types-toml from 0.10.8.20240310 to 0.10.8.20260408 in /libs/model-profiles (#37124)
release(fireworks): 1.2.1 (#37113)
release(perplexity): 1.2.0 (#37091)
chore(docs): update x handle references (#37081)
fix(anthropic): restore cache_control on non-direct subclasses (#37057)
release(openai): 1.2.1 (#36995)
feat(core): add content-block-centric streaming (v2) (#36834)
fix(fireworks): honor max_retries (#36973)
release(openai): 1.2.0 (#36961)
chore: bump langsmith from 0.6.3 to 0.7.31 in /libs/model-profiles (#36798)
chore(deps): bump pytest to 9.0.3 (#36801)
chore: bump pytest from 9.0.2 to 9.0.3 in /libs/model-profiles (#36716)
chore: add comment explaining pygments>=2.20.0 (#36570)
release(core): 1.2.26 (#36511)
chore: pygments>=2.20.0 across all packages (CVE-2026-4539) (#36385)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/model-profiles (#36240)
chore(partners): bump langchain-core min to 1.2.21 (#36183)
fix(core,model-profiles): add missing ModelProfile fields, warn on schema drift (#36129)
ci: suppress pytest streaming output in CI (#36092)
ci: avoid unnecessary dep installs in lint targets (#36046)
fix(model-profiles): use posix-compatible substitution in makefile (#35957)
chore: bump orjson from 3.11.5 to 3.11.6 in /libs/model-profiles (#35857)
feat(model-profiles): new fields + Makefile target (#35788)
chore: bump langgraph from 1.0.8 to 1.0.10rc1 in /libs/model-profiles (#35611)
chore: bump the minor-and-patch group across 3 directories with 3 updates (#35589)
chore: add note to release workflow (#35583)
chore: bump the other-deps group across 3 directories with 2 updates (#35512)
chore: bump langgraph-checkpoint from 3.0.0 to 4.0.0 in /libs/model-profiles (#35446)
chore: bump the other-deps group across 3 directories with 2 updates (#35407)
fix(model-profiles): sort generated profiles by model ID for stable diffs (#35344)
fix(infra): fix trailing comma regex in profile generation script (#35333)
feat(infra): model profile bump tool (#35331)
chore: bump model profiles (#35294)
chore: bump the other-deps group across 3 directories with 2 updates (#35255)
feat(openrouter): add langchain-openrouter provider package (#35211)
style: bump ruff version to 0.15 (#35042)
chore(deps): bump langsmith from 0.4.38 to 0.6.3 in /libs/model-profiles (#35160)
chore(deps): bump the other-deps group across 3 directories with 12 updates (#35127)
chore(deps): bump the other-deps group across 3 directories with 8 updates (#35120)
feat(model-profiles): add text_inputs and text_outputs (#35084)
chore: add make type target (#35015)
revert: "chore: add typing target in Makefile" (#35013)
chore: add typing target in Makefile (#35012)
chore: enrich pyproject.toml files (#34980)
chore(deps): bump the uv group across 20 directories with 3 updates (#34941)
chore: upgrade urllib3 to 2.6.3 (#34940)
style(model-profiles): lint (#34864)
chore(deps): bump the uv group across 5 directories with 5 updates (#34785)
chore: update twitter URLs (#34736)
chore: ban relative imports on all packages (#34691)
release(core): 1.2.3 (#34421)
release(openai): 1.1.6: update max input tokens for gpt-5 series (#34419)
release(openai): 1.1.5 (#34409)
feat(infra): add CI check for out of date lockfiles (#34397)
feat(anthropic): auto append relevant beta headers for computer use (#34117)
revert(model-profiles): update docs link (#34162)
fix(model-profiles): update docs link (#34127)

Changes since langchain-core==1.4.5

release(core): 1.4.6 (#38061)
feat(core,partners): add package version tracking to tracing metadata (#35295)
fix(core,openai): normalize v1 streamed tool calls (#35983)
chore(infra): bump mypy to 2.1 and unify type-check config across the monorepo (#36470)

Changes since langchain-core==1.4.4

release(core): 1.4.5 (#38056)
feat(standard-tests): validate tool call chunks during streaming (#34707)
fix(core): async tracer on_chat_model_start fallback in sync context (#35233)
fix(langchain): tighten structured output model fallbacks (#38042)

Changes since langchain==1.3.6

release(langchain): 1.3.7 (#38024)
style(langchain): add ruff rules ARG (#34435)
feat(langchain): add ProviderToolSearchMiddleware (#37969)
chore(langchain): activate mypy warn_return_any (#34249)
test(langchain): mark legacy trigger view for 2.0 removal (#38002)

Changes since langchain==1.3.5

release(langchain): 1.3.6 (#38001)
fix(langchain): preserve summarization trigger compatibility (#38000)

Changes since langchain-mistralai==1.1.4

release(mistralai): 1.1.5 (#38038)
fix(core): support content block tokens in callbacks (#34739)
hotfix(openai): min core dep (#37990)
chore(model-profiles): refresh model profile data (#37916)
test(langchain,partners): disable pytest-benchmark under xdist to silence PytestBenchmarkWarning (#37901)
chore(model-profiles): refresh model profile data (#37870)
chore(infra): bump langchain-tests floor to 1.1.9 (#37610)
test(mistralai): stabilize integration tests with rate limiting and retries (#37588)
chore: bump idna from 3.10 to 3.15 in /libs/partners/mistralai (#37555)
chore: bump langsmith from 0.8.4 to 0.8.5 in /libs/partners/mistralai (#37554)
ci(infra): harden Dependabot version-bound preservation (#37510)
chore: bump langsmith from 0.8.0 to 0.8.4 in /libs/partners/mistralai (#37418)
chore: bump langsmith from 0.7.31 to 0.8.0 in /libs/partners/mistralai (#37401)
chore: bump urllib3 from 2.6.3 to 2.7.0 in /libs/partners/mistralai (#37338)
chore: bump langchain-core from 1.3.2 to 1.3.3 in /libs/partners/mistralai (#37272)

Changes since langchain-groq==1.1.2

release(groq): 1.1.3 (#38009)
hotfix(openai): min core dep (#37990)
test(langchain,partners): disable pytest-benchmark under xdist to silence PytestBenchmarkWarning (#37901)
chore(model-profiles): refresh model profile data (#37726)
chore(infra): bump langchain-tests floor to 1.1.9 (#37610)
chore: bump idna from 3.10 to 3.15 in /libs/partners/groq (#37556)
ci(infra): harden Dependabot version-bound preservation (#37510)
chore: bump langsmith from 0.7.31 to 0.8.0 in /libs/partners/groq (#37403)
chore: bump urllib3 from 2.6.3 to 2.7.0 in /libs/partners/groq (#37340)
chore: bump langchain-core from 1.3.2 to 1.3.3 in /libs/partners/groq (#37276)
chore(docs): update x handle references (#37081)
hotfix: bump min core versions (#36996)
feat(core): add content-block-centric streaming (v2) (#36834)
ci(infra): add pytest-xdist to partner test groups (#36988)
hotfix(ci): remove nobenchmark flag (#36959)
chore(partners): standardize integration test invocation (#36958)
chore(deps): bump pytest to 9.0.3 (#36801)
chore: bump langsmith from 0.6.3 to 0.7.31 in /libs/partners/groq (#36786)
chore(groq): remove Kimi K2 from docstring (#36773)
chore: add comment explaining pygments>=2.20.0 (#36570)
fix(openai,groq,openrouter): use is-not-None checks in usage metadata token extraction (#36500)
chore: pygments>=2.20.0 across all packages (CVE-2026-4539) (#36385)
chore(model-profiles): refresh model profile data (#36334)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/partners/groq (#36253)
chore(partners): bump langchain-core min to 1.2.21 (#36183)
fix(core,model-profiles): add missing ModelProfile fields, warn on schema drift (#36129)
ci: suppress pytest streaming output in CI (#36092)
ci: avoid unnecessary dep installs in lint targets (#36046)
chore: bump orjson from 3.11.5 to 3.11.6 in /libs/partners/groq (#35870)
feat(model-profiles): new fields + Makefile target (#35788)
feat(groq): Strict Mode for Groq (#35029)
feat(fireworks,groq,openrouter): add standard model property (#35542)
docs(groq): generalize vision models ref (#35536)
fix(model-profiles): sort generated profiles by model ID for stable diffs (#35344)
chore: bump model profiles (#35294)
chore(deps): bump langsmith from 0.4.31 to 0.6.3 in /libs/partners/groq (#35155)
feat(model-profiles): add text_inputs and text_outputs (#35084)
chore: add make type target (#35015)
revert: "chore: add typing target in Makefile" (#35013)
chore: add typing target in Makefile (#35012)
chore: enrich pyproject.toml files (#34980)

Changes since langchain-core==1.4.3

hotfix(core): bump lockfile(s) (#38032)
release(core): 1.4.4 (#38031)
fix(core): support content block tokens in callbacks (#34739)
chore(core): improve typing of Runnable __or__ (#34530)
chore(core): fix some any generics (#34545)
fix(core): accept sequence tool error content (#38005)
fix(core): type structured tool error handler output (#38003)
docs(core): document multimodal handling in get_buffer_string (#37994)

Changes since langchain-classic==1.0.7

release(langchain-classic): 1.0.8 (#38033)
hotfix(core): bump lockfile(s) (#38032)
fix(core): support content block tokens in callbacks (#34739)
chore(core): improve typing of Runnable __or__ (#34530)
hotfix(openai): min core dep (#37990)
chore: bump pyarrow from 21.0.0 to 23.0.1 in /libs/langchain (#37929)
chore: bump starlette from 0.49.1 to 1.0.1 in /libs/langchain (#37899)
test(langchain,partners): disable pytest-benchmark under xdist to silence PytestBenchmarkWarning (#37901)
chore: bump aiohttp from 3.13.4 to 3.14.0 in /libs/langchain (#37889)
chore(infra): bump langchain-tests floor to 1.1.9 (#37610)
release(standard-tests): 1.1.9 (#37609)
chore: bump idna from 3.10 to 3.15 in /libs/langchain (#37537)
ci(infra): harden Dependabot version-bound preservation (#37510)
hotfix: bump lockfiles (#37508)
chore: bump langsmith from 0.7.31 to 0.8.0 in /libs/langchain (#37393)
chore(infra): merge v1.4 into master (#37350)
chore: bump urllib3 from 2.6.3 to 2.7.0 in /libs/langchain (#37327)
chore: bump mistune from 3.1.4 to 3.2.1 in /libs/langchain (#37236)

Changes since langchain-anthropic==1.4.4

release(anthropic): 1.4.5 (#38036)
fix(core): support content block tokens in callbacks (#34739)
chore(model-profiles): refresh model profile data (#38012)
hotfix(openai): min core dep (#37990)
test(langchain,partners): disable pytest-benchmark under xdist to silence PytestBenchmarkWarning (#37901)
chore(model-profiles): refresh model profile data (#37895)
chore(model-profiles): refresh model profile data (#37771)