Changelog

Major release with Flows, improved memory system, and 50+ tool integrations.

Visual graph builder for complex agent workflows with real-time debugging.

Complete UI overhaul with drag-and-drop agent builder and workflow templates.

Serverless tier now generally available with automatic scaling and pay-per-use pricing.

Enhanced pull request analysis and automated code review capabilities.

AI-powered IDE with real-time collaboration and intelligent code completion.

Support for multiple vector spaces in a single collection for multimodal AI applications.

Redesigned function calling with automatic parameter validation and retry logic.

Managed Chroma service with global distribution and automatic backups.

Redesigned data loader ecosystem with 500+ connectors and improved performance.

Hybrid dense and sparse vector search now generally available with BM25 support.

Up to 70% cost savings with preemptible GPU instances for batch workloads.

Real-time streaming support for function calling with improved error handling.

AI agent testing automation with synthetic data generation and regression detection.

Visual builder support for multi-agent conversations and handoffs.

Native AI agent node with function calling and memory persistence.

Old webhook format will be discontinued March 31, 2026. Migration guide available.

Production-ready optimizers with automatic prompt engineering and evaluation metrics.

Native support for CrewAI and AutoGen agent orchestration within Haystack pipelines.

Horizontal scaling support for large-scale agent deployments with shared memory.