haystack/releasenotes/notes/sparse-embedding-fd55b670437492be.yaml

---
features:
  - |
    Introduce a new `SparseEmbedding` class which can be used to store a sparse
    vector representation of a Document.
    It will be instrumental to support Sparse Embedding Retrieval with
    the subsequent introduction of Sparse Embedders and Sparse Embedding Retrievers.