langchain

vlangchain-perplexity==1.3.0 scope: langchain-perplexity Feature

This release adds 1 notable feature for engineering teams evaluating rollout.

Published 8d AI Agents & Assistants

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✓ No known CVEs patched in this version

Topics

agents ai ai-agents anthropic chatgpt deepagents

+11 more

enterprise gemini generative-ai langchain langgraph llm multiagent openai pydantic python typescript

Summary

AI summary

Added use_responses_api flag on ChatPerplexity.

Changes in this release

Type	Severity	Summary	CVE
Feature	Low	Adds `use_responses_api` flag on ChatPerplexity. Adds `use_responses_api` flag on ChatPerplexity. Source: llm_adapter@2026-05-27 Confidence: high	—
Dependency
Dependency	Low	Bumps langsmith from 0.8.4 to 0.8.5 in /libs/partners/perplexity. Bumps langsmith from 0.8.4 to 0.8.5 in /libs/partners/perplexity. Source: llm_adapter@2026-05-27 Confidence: high	—
Dependency	Low	Bumps urllib3 from 2.6.3 to 2.7.0 in /libs/partners/perplexity. Bumps urllib3 from 2.6.3 to 2.7.0 in /libs/partners/perplexity. Source: llm_adapter@2026-05-27 Confidence: high	—
Dependency	Low	Bumps langchain-core from 1.3.2 to 1.3.3 in /libs/partners/perplexity. Bumps langchain-core from 1.3.2 to 1.3.3 in /libs/partners/perplexity. Source: llm_adapter@2026-05-27 Confidence: high	—
Dependency	Low	Bumps idna from 3.10 to 3.15 in /libs/partners/perplexity. Bumps idna from 3.10 to 3.15 in /libs/partners/perplexity. Source: llm_adapter@2026-05-27 Confidence: high	—
Dependency	Low	Bumps langchain-tests floor to 1.1.9 in infra. Bumps langchain-tests floor to 1.1.9 in infra. Source: llm_adapter@2026-05-27 Confidence: high	—
Other	Low	Hardens Dependabot version-bound preservation in CI. Hardens Dependabot version-bound preservation in CI. Source: llm_adapter@2026-05-27 Confidence: low	—

Full changelog

Changes since langchain-perplexity==1.2.0

release(perplexity): 1.3.0 (#37707)
feat(perplexity): use_responses_api flag on ChatPerplexity (#37359)
chore(infra): bump langchain-tests floor to 1.1.9 (#37610)
chore: bump langsmith from 0.8.4 to 0.8.5 in /libs/partners/perplexity (#37545)
chore: bump idna from 3.10 to 3.15 in /libs/partners/perplexity (#37544)
ci(infra): harden Dependabot version-bound preservation (#37510)
chore: bump langsmith from 0.8.0 to 0.8.4 in /libs/partners/perplexity (#37413)
chore: bump langsmith from 0.7.31 to 0.8.0 in /libs/partners/perplexity (#37396)
chore: bump urllib3 from 2.6.3 to 2.7.0 in /libs/partners/perplexity (#37336)
chore: bump langchain-core from 1.3.2 to 1.3.3 in /libs/partners/perplexity (#37262)

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Earlier breaking changes

vlangchain-core==1.4.0 Deletes schema items marked for removal in schemas.py
vlangchain-core==1.4.0 Deletes function_calling.py utils marked for removal
vlangchain-core==1.4.0 Deletes get_relevant_documents function from API
vlangchain-core==1.4.0 Deletes pydantic_v1 module entirely from codebase
vlangchain-core==1.4.0 Deletes BaseMemory module, moved to langchain-classic