Qdrant 1.18.0 release notes, 11 May 2026

Change log

Features 🏎️

milestone!48 - Add TurboQuant quantization variant, 8x vector compression without the recall tax
https://github.com/qdrant/qdrant/pull/8605 - Add API to create and delete named vectors in existing collection
https://github.com/qdrant/qdrant/pull/8606 - Deep memory reporting, show memory usage breakdown for storage components
https://github.com/qdrant/qdrant/pull/8714 - Add low memory mode, force open everything on disk to minimize out of memory crash on startup
https://github.com/qdrant/qdrant/pull/8715 - Add strict mode parameter to reject updates when memory usage is high (max_resident_memory_percent)

Improvements 📏

https://github.com/qdrant/qdrant/pull/8790, https://github.com/qdrant/qdrant/pull/8769 - Use dynamic CPU pool for search workers, improve search performance when there's high IO wait
https://github.com/qdrant/qdrant/pull/8526, https://github.com/qdrant/qdrant/pull/8656 - Use operation size based batching in shard transfers to achieve higher throughput
https://github.com/qdrant/qdrant/pull/8673 - Reduce memory usage of immutable geo index by 7x
https://github.com/qdrant/qdrant/pull/8529 - Fully remove RocksDB support, simplifying storage handling
https://github.com/qdrant/qdrant/pull/8768 - Don't stall update queue when waiting for deferred points
https://github.com/qdrant/qdrant/pull/8944 - Use default timeout of 60 seconds to update requests, clean up long running update requests
https://github.com/qdrant/qdrant/pull/8767 - When collection update triggers optimizer recreation, clear any optimizer errors to allow recovery without restart
https://github.com/qdrant/qdrant/pull/8784 - Use snapshot based shard transfers for much faster recovery if WAL delta cannot be resolved
https://github.com/qdrant/qdrant/pull/8782 - On snapshot transfer, first clear shard data on receiver to prevent out of disk crash
https://github.com/qdrant/qdrant/pull/8689 - Clean temporary directories before loading collections, may prevent out of disk crash on recovery
https://github.com/qdrant/qdrant/pull/8830 - Don't hold shard holder lock during search to prevent blocking various other operations
https://github.com/qdrant/qdrant/pull/8626, https://github.com/qdrant/qdrant/pull/8635 - Record API method path in audit log events
https://github.com/qdrant/qdrant/pull/8402 - Report tracing ID in audit log events
https://github.com/qdrant/qdrant/pull/8636 - Report audit log configuration and data size in telemetry and metrics
https://github.com/qdrant/qdrant/pull/8640 - Optimize cosine normalization on ARM CPUs (SIMD)
https://github.com/qdrant/qdrant/pull/8571 - Skip audit logging on telemetry endpoints
https://github.com/qdrant/qdrant/pull/8693 - Make HNSW sub graph building deterministic
https://github.com/qdrant/qdrant/pull/8712, https://github.com/qdrant/qdrant/pull/8708, https://github.com/qdrant/qdrant/pull/8706 - Report various structures in deterministic order
https://github.com/qdrant/qdrant/pull/8932 - Link to agentic skills in startup message

Bug Fixes 🪺

https://github.com/qdrant/qdrant/pull/8728 - Fix stop words always being lowercased over gRPC even if disabled
https://github.com/qdrant/qdrant/pull/8719 - Fix datetime parsing for YYYY-MM-DDTHH:MM format
https://github.com/qdrant/qdrant/pull/8734 - Fix IsEmpty condition on freshly rebuilt null index
https://github.com/qdrant/qdrant/pull/8939 - Fix nested MatchTextAny not using full-text index
https://github.com/qdrant/qdrant/pull/8646 - Fix geo circle hash bound checks
https://github.com/qdrant/qdrant/pull/8938 - Fix phrase matching crossing string-array element boundaries
https://github.com/qdrant/qdrant/pull/8762 - Fix hard panic when there are multiple validation errors
https://github.com/qdrant/qdrant/pull/8194 - Disallow sparse vectors with an empty name
https://github.com/qdrant/qdrant/pull/8832 - Fix GPU not being used for HNSW without main graph
https://github.com/qdrant/qdrant/pull/8691 - Fix infinite loop in HNSW sub graph building
https://github.com/qdrant/qdrant/pull/8577 - Fix panic when snapshot path contains non-UTF-8 characters
https://github.com/qdrant/qdrant/pull/8293 - Fix hard panic on corrupt collection alias file, return error instead
https://github.com/qdrant/qdrant/pull/8574 - Fix disk IO not always being measured in map index
https://github.com/qdrant/qdrant/pull/8645 - Fix chunk capacity reservation to allocate more efficiently
https://github.com/qdrant/qdrant/pull/8651 - Fix payload index flushers absorbing cancellations as errors
https://github.com/qdrant/qdrant/pull/8474 - Fix snapshot files not cleaned up on snapshot restore failure
https://github.com/qdrant/qdrant/pull/8654 - Fix clearing page cache not being reliable, add missing candidates
https://github.com/qdrant/qdrant/pull/8542 - Fix map index listing modified file as immutable
https://github.com/qdrant/qdrant/pull/8847 - Fix data race causing disk watcher not to be woken up causing timeouts
https://github.com/qdrant/qdrant/pull/8789, https://github.com/qdrant/qdrant/pull/8917 - Make resharding operations idempotent, fix cluster state corruption on crash
https://github.com/qdrant/qdrant/pull/8831 - Fix slow request logging for read operations with shard level errors
https://github.com/qdrant/qdrant/pull/8756 - Don't allocate async search workers we don't use reducing thread count
https://github.com/qdrant/qdrant/pull/8596 - Don't write to old shards on resharding down after write hashring commit, fix missing shard errors
https://github.com/qdrant/qdrant/pull/8543 - Fix edge sparse vector search panic on score post processing
https://github.com/qdrant/qdrant/pull/8588 - Fix various Raft consensus correctness bugs upstream

Security 🕵️

https://github.com/qdrant/qdrant/pull/8676 - Enforce API key/JWT authentication on internal gRPC endpoints
https://github.com/qdrant/qdrant/pull/8628 - Add config option to disable snapshot restore from URL
https://github.com/qdrant/qdrant/pull/8619 - Bump TLS dependencies to resolve security vulnerabilities

Web UI 🍱

https://github.com/qdrant/qdrant-web-ui/pull/372 - Add memory and disk inspector, view usage breakdown per storage component
https://github.com/qdrant/qdrant-web-ui/pull/370 - Add high contrast theme
https://github.com/qdrant/qdrant-web-ui/pull/369 - Render inline documentation in collection info panel
https://github.com/qdrant/qdrant-web-ui/pull/362 - Add refresh button to some collection views
https://github.com/qdrant/qdrant-web-ui/pull/373, https://github.com/qdrant/qdrant-web-ui/pull/377 - Fix search quality latency measurement and use better naming