1.7.0

Change log

Features 🧀

• https://github.com/qdrant/qdrant/issues/2796, https://github.com/qdrant/qdrant/issues/3124 - Add support for sparse vectors, also supporting SPLADE and BM25 datasets (docs)
• https://github.com/qdrant/qdrant/issues/2790 - Add discovery search, explore and discover vectors in a defined context (docs)
• https://github.com/qdrant/qdrant/issues/2807 - Add user defined sharding, partition data with a custom sharding distribution (docs)
• https://github.com/qdrant/qdrant/issues/2432 - Add shard snapshot transfer, fast transfer of shards using snapshots including their index and quantized data (docs)
• https://github.com/qdrant/qdrant/pull/3079 - Add Manhattan distance metric
• https://github.com/qdrant/qdrant/pull/2979 - Add support for read-only API key (docs)

Improvements 🌌

• https://github.com/qdrant/qdrant/pull/2869 - Improve quality of HNSW index building on high CPU systems
• https://github.com/qdrant/qdrant/pull/2768 - Add index for geo map payloads to improve search performance
• https://github.com/qdrant/qdrant/pull/3013, https://github.com/qdrant/qdrant/pull/3026, https://github.com/qdrant/qdrant/pull/2942, https://github.com/qdrant/qdrant/pull/3103, https://github.com/qdrant/qdrant/pull/3054 - Improve stability of consensus on big high load clusters
• https://github.com/qdrant/qdrant/pull/2931 - Improve search tail latencies with many parallel searches on high CPU systems
• https://github.com/qdrant/qdrant/pull/2748, https://github.com/qdrant/qdrant/pull/2771 - Allow to configure the timeout for searches
• https://github.com/qdrant/qdrant/pull/3067 - Improve group by performance by fetching vectors only once
• https://github.com/qdrant/qdrant/pull/3076 - Improve group by performance by handling with_payloads more efficiently
• https://github.com/qdrant/qdrant/pull/2803 - Improve performance for empty match-any filters
• https://github.com/qdrant/qdrant/pull/3088 - Randomize shard placement to roughly get an even spread across all peers
• https://github.com/qdrant/qdrant/pull/3155 - Make indexed_only more lenient
• https://github.com/qdrant/qdrant/pull/3084 - Improve /readyz health check, only mark as ready when started node has caught up
• https://github.com/qdrant/qdrant/pull/2855 - Add support for using API key with HTTP Bearer authentication
• https://github.com/qdrant/qdrant/pull/2848 - Expose update rate limiter parameter in configuration
• https://github.com/qdrant/qdrant/pull/3169 - Show actual bind address instead of localhost for Web UI in greeting message
• https://github.com/qdrant/qdrant/pull/2846 - Clean up recovered snapshots from an URL instead of leaving them behind
• https://github.com/qdrant/qdrant/pull/3036 - Clean up old RocksDB files more often to save disk space
• https://github.com/qdrant/qdrant/pull/3054 - Improve WAL performance by implementing a faster checksum algorithm

Bug fixes 🫨

• https://github.com/qdrant/qdrant/pull/2933, https://github.com/qdrant/qdrant/pull/3039 - Fix potential divide by zero panic in numeric and geo index
• https://github.com/qdrant/qdrant/pull/2888 - Fix panic if gRPC request has multiple validation errors
• https://github.com/qdrant/qdrant/pull/3034 - Fix overvalidation on vector names in internal requests
• https://github.com/qdrant/qdrant/pull/2904 - Fix best_score formula with just negative examples
• https://github.com/qdrant/qdrant/pull/2927 - Fix duplicate numeric index entry for empty payload
• https://github.com/qdrant/qdrant/pull/2969 - Fix potentially syncing local consensus state when there are still pending commits
• https://github.com/qdrant/qdrant/pull/2895 - Fix custom TLS certificate not working when recovering snapshots from URL
• https://github.com/qdrant/qdrant/pull/3093 - Fix panic when loading from RocksDB with corrupted tail
• https://github.com/qdrant/qdrant/pull/3105 - Fix hard error for missing column family not found when flushing data
• https://github.com/qdrant/qdrant/pull/3156 - Fix shard transfers potentially starting too early
• https://github.com/qdrant/qdrant/pull/2960 - Fix potential memory overallocation in vector storage
• https://github.com/qdrant/qdrant/pull/3079 - Fix binary quantization for euclidean distance
• https://github.com/qdrant/qdrant/pull/2864 - Fix bad recall performance on payload indexes
• https://github.com/qdrant/qdrant/pull/3174 - Fix response codes being too strict, breaking snapshot creation in Python client
• https://github.com/qdrant/qdrant/pull/3073 - Fix NO_COLOR not having an effect on output logs
• https://github.com/qdrant/qdrant/pull/3086 - Fix migration from local to distributed on systems with 1 or 2 CPU cores
• https://github.com/qdrant/qdrant/pull/2921 - Fix storage and snapshot directory permission errors with Qdrant Docker image

Deprecation 🥀

• https://github.com/qdrant/qdrant/pull/2785 - Mark point, vector and index counts as approximate, we may eventually remove these

Dashboard 🍱

• https://github.com/qdrant/qdrant-web-ui/pull/110, https://github.com/qdrant/qdrant-web-ui/pull/116, https://github.com/qdrant/qdrant-web-ui/pull/118, https://github.com/qdrant/qdrant-web-ui/pull/121 - Add interactive tutorial
• https://github.com/qdrant/qdrant-web-ui/pull/123 - Add command palette
• https://github.com/qdrant/qdrant-web-ui/pull/107 - Download/upload snapshots with API key
• Other changes

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Thanks to @kaancfidan @keremnc @ava57r @Apmats @julianbraha @golangboy @ilkecan @ologbonowiwi @russcam @dzhao @joein @ffuugoo @IvanPleshkov @agourlay @coszio @timvisee for their contributions!