Qdrant 1.14.0 release notes, 22 Apr 2025

https://github.com/qdrant/qdrant/milestone/23 - Allow server-side score boosting with user-defined formula. See [Docs]
https://github.com/qdrant/qdrant/pull/6256 - New sum_scores recommendation strategy. Useful for implementing relevance feedback. See [Docs]

https://github.com/qdrant/qdrant/pull/6325 - Incremental HNSW building. Segment optimized will partially re-use existing HNSW graph on merging segments.
https://github.com/qdrant/qdrant/pull/6323, https://github.com/qdrant/qdrant/pull/6396 - Improve eviction strategy for unused disk cache
https://github.com/qdrant/qdrant/pull/6303 - Minor optimizations for memory allocations
https://github.com/qdrant/qdrant/pull/6385 - Minor internal optimizations
https://github.com/qdrant/qdrant/pull/6357 - Rethink behavior of offset parameter in case of a query with prefetch. Now offset is only applied to the prefetch result and is not propagated into prefetch query.
https://github.com/qdrant/qdrant/pull/6326 - Parallelize large segment search batches
https://github.com/qdrant/qdrant/pull/6390 - Better organized telemetry details levels generate less overhead by excluding segment-level details

https://github.com/qdrant/qdrant/pull/6289 - Scroll lock: make sure no segments are modified between scroll and retrieve
https://github.com/qdrant/qdrant/pull/6297, https://github.com/qdrant/qdrant/pull/6293 - Prevent crash on failed shard recovery. Instead, qdrant will load dummy shard, which can be recovered via API
https://github.com/qdrant/qdrant/pull/6383 - Fix delayed flush wrapper. Before this fix, payload indexes might temporary loose unflushed updates after flush operation is started and before it is finished.
https://github.com/qdrant/qdrant/pull/6364 - Abort resharding if any Resharding replica is to be marked dead