product · May 20, 2026
Haystack 2.29 Launches Hybrid Search with MultiRetriever and TextEmbeddingRetriever
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Haystack released version 2.29 on May 20, 2026. The update adds hybrid search capabilities via MultiRetriever and TextEmbeddingRetriever components. The framework supports building production-ready LLM-powered agents and applications with modular pipelines for retrieval, routing, and generation. Haystack maintains Apache 2.0 open-source licensing and integrates with models from OpenAI, Mistral, and Hugging Face. deepset provides enterprise support and a managed platform alongside the core framework.
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