release(core): 0.3.71 (#32186) fix(core): exclude api_key from tracing metadata (#32184) fix(core): add type key when tracing in some cases (#31825) feat(core): add sanitize_for_postgres utility to fix PostgreSQL NUL byte DataError (#32157)

langchain-core==0.3.71

release notes

Published 7/22/2025

Safe upgrade

Release notes

Changes since langchain-core==0.3.70

release(core): 0.3.71 (#32186) fix(core): exclude api_key from tracing metadata (#32184) fix(core): add type key when tracing in some cases (#31825) feat(core): add sanitize_for_postgres utility to fix PostgreSQL NUL byte DataError (#32157)