langchain==1.2.15

Changes since langchain==1.2.14

release: langchain v1.2.15 (#36496)
chore: bump aiohttp from 3.13.3 to 3.13.4 in /libs/langchain_v1 (#36438)

langchain-core==1.2.26

Changes since langchain-core==1.2.25

release(core): 1.2.26 (#36511)
fix(core): add init validator and serialization mappings for Bedrock models (#34510)
feat(core): add ChatBaseten to serializable mapping (#36510)
chore(core): drop gpt-3.5-turbo from docstrings (#36497)
fix(core): correct parameter names in filter_messages docstring example (#36462)

langchain-core==1.2.25

Changes since langchain-core==1.2.24

release(core): 1.2.25 (#36473)
fix(core): harden check for txt files in deprecated prompt loading functions (#36471)
fix(core): fixed typos in the documentation (#36459)

langchain-core==1.2.24

Changes since langchain-core==1.2.23

release(core): 1.2.24 (#36434)
feat(core): impute placeholder filenames for OpenAI file inputs (#36433)
chore: pygments>=2.20.0 across all packages (CVE-2026-4539) (#36385)
fix(core): add "computer" to _WellKnownOpenAITools (#36261)

langchain==1.2.14

Changes since langchain==1.2.13

release(langchain): 1.2.14 (#36396)
chore: pygments>=2.20.0 across all packages (CVE-2026-4539) (#36385)
test(langchain): cover runtime recursion limit override in create_agent (#36376)
perf(langchain): reduce init speed by 15% (#36375)
fix(langchain): update recursion limit for create_agent (#36351)
fix(infra): correct lint_diff relative paths in package makefiles (#36333)
chore: bump cryptography from 46.0.5 to 46.0.6 in /libs/langchain_v1 (#36324)
fix(langchain): recognize ChatAnthropicVertex in _get_approximate_token_counter (#36320)
chore(langchain): remove unnecessary description for toods list as a group (#36315)
chore(langchain): add async implementation to todolist and test (#36313)
chore(langchain): speed up todo list middleware init (#36311)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/langchain_v1 (#36241)
chore(partners): bump langchain-core min to 1.2.21 (#36183)
fix(core,model-profiles): add missing ModelProfile fields, warn on schema drift (#36129)
fix(langchain,langchain-classic): update model provider classes for Azure AI Foundry (#35812)

langchain-openrouter==0.2.1

Changes since langchain-openrouter==0.2.0

release(openrouter): 0.2.1 (#36348)
fix(openrouter): pass attribution headers via httpx default_headers (#36347)
chore(model-profiles): refresh model profile data (#36267)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/partners/openrouter (#36247)

langchain-core==1.2.23

Changes since langchain-core==1.2.22

release(core): 1.2.23 (#36323)
revert: Revert "fix(core): trace invocation params in metadata" (#36322)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/core (#36243)

langchain-exa==1.1.0

Changes since langchain-exa==1.0.0

release(exa): 1.1.0 (#36278)
feat(exa): update default search type from neural to auto (#36125)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/partners/exa (#36255)
chore(partners): bump langchain-core min to 1.2.21 (#36183)
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/exa (#35869)
chore(deps): bump langsmith from 0.4.31 to 0.6.3 in /libs/partners/exa (#35158)
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)
chore: update twitter URLs (#34736)
chore: ban relative imports on all packages (#34691)
chore: update core dep in lockfiles (#34216)
chore: update pyproject.toml url entries (#33587)

langchain-openrouter==0.2.0

Changes since langchain-openrouter==0.1.0

release(openrouter): 0.2.0 (#36227)
feat(openrouter): add app_categories field for marketplace attribution (#36205)
chore(openrouter): update URL/title (#36204)
chore(model-profiles): refresh model profile data (#36195)
chore(partners): bump langchain-core min to 1.2.21 (#36183)
fix(core,model-profiles): add missing ModelProfile fields, warn on schema drift (#36129)
chore(model-profiles): refresh model profile data (#36123)
chore(model-profiles): refresh model profile data (#36099)
ci: suppress pytest streaming output in CI (#36092)
ci: avoid unnecessary dep installs in lint targets (#36046)
chore(model-profiles): refresh model profile data (#35959)
chore(model-profiles): refresh model profile data (#35784)
feat(model-profiles): new fields + Makefile target (#35788)
chore(model-profiles): refresh model profile data (#35646)
chore(model-profiles): refresh model profile data (#35593)

langchain-core==1.2.22

Changes since langchain-core==1.2.21

release(core): 1.2.22 (#36201)
fix(core): validate paths in prompt.save and load_prompt, deprecate methods (#36200)