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)