Release 0.1.19

What's Changed

• langchain[patch]: Release 0.1.18 by @jacoblee93 in #4403
• cloudflare[patch]: Release 0.0.3 by @jacoblee93 in #4404
• Use onRunCreate by @hinthornw in #4405
• langchain[patch], core[patch], community[patch]: Bump LangSmith versions by @jacoblee93 in #4414
• core[patch]: Make custom tools pass raw config to functions by @jacoblee93 in #4419
• docs[patch]: Add warnings about SQL Injection for Postgres integrations by @MJDeligan in #4398
• community[patch]: Remove deprecated call of serializable.js by @mkesper in #4410
• core[patch]: Add optional type param to JsonOutputParser by @jacoblee93 in #4420
• Improve developer-facing evaluations API by @dqbd in #4370
• docs[minor]: Fix broken link used in quickstart by @rogerthatdev in #4422
• langchain[minor]: Couchbase document loader by @lokesh-couchbase in #4364
• core[patch]: Release 0.1.29 by @jacoblee93 in #4424
• community[patch], langchain[patch]: Bump core versions by @jacoblee93 in #4425
• community[patch]: Release 0.0.29 by @jacoblee93 in #4426
• langchain[patch]: Bump community by @jacoblee93 in #4427

New Contributors

• @rogerthatdev made their first contribution in #4422
• @lokesh-couchbase made their first contribution in #4364

Full Changelog: 0.1.18...0.1.19