AgentWorkflow

This release includes numerous bug fixes across various llama-index components, improving stability and correctness. It also introduces new features such as support for new LLM models and enhanced multimodal capabilities.

This major update to llama-index-core (v0.13.0) removes legacy agent classes and QueryPipeline in favor of a new Workflow-based agent architecture, while updating various provider integrations for LLMs and vector stores.

This release introduces OpenTelemetry observability, Claude 4 support across multiple providers, and a new embeddings cache. It also includes critical security fixes for JSONReader and significant enhancements to the Model Context Protocol (MCP) integration.

This release introduces a major memory system revamp, adds several new integrations including Gel, Oxylabs, and Meta Llama-api, and provides critical bug fixes for ReAct agents and tool call parsing across multiple LLM providers.