v1.9.4

Change log

Bug fixes

• #4332 - Fix potentially losing a segment when creating a snapshot with ongoing updates
• #4342 - Fix potential panic on start if there is no appendable segment
• #4328 - Prevent panic when searching with huge limit

v1.9.3

Change log

Improvements

• #4165 - Handle Out-Of-Disk on insertions gracefully
• #3964 - Faster consensus convergence with batched updates
• #4301 - Deduplicate points by ID for custom sharding

Bug fixes

• #4307 - Fix overflow panic if scroll limit is usize::MAX
• #4322 - Fix panic with missing sparse vectors after recovery of corrupted storage

Web UI

• qdrant/qdrant-web-ui#183 - Notification for miss-configured collections

Full change log: https://github.com/qdrant/qdrant-web-ui/releases/tag/v0.1.26

v1.9.2

Change log

Improvements

• #4148 - Greatly improve proxy segment performance when a lot of changes are tracked
• #4176 - Speed up loading of large memory mapped segments
• #4205 - Use distinct gRPC types for shard replication and overwriting payload requests, existing clients remain compatible
• #4163 - Extend sparse vector benchmarks

Bug fixes

• #4206 - Fix potential deadlock with concurrent searches and snapshot creation

v1.9.1

Change Log

Improvements

• #4119 - performance of the numerical values range filter
• #4103 - Handle antimeridians in geo bounding box filter
• #3931 - Speedup consensus thread
• #4084 - improve consistency of the scroll API with parallel updates

Bug fixes

• #4155 - fixes usage of snapshot shard transfer with API Key Auth.
• #4156 - resolves panic issue on optimization after restart (#4154)
• #4132 - resolves #4131

v1.9.0

Change log

Features 🏎️

• #3477 - Implement and enable shard diff transfer, greatly improve shard transfer speed on node recovery
• #3777 - Role-based access control with JWT
• #3976, #4049, #4065 - Add support for byte vectors, represent your vectors as float32 or uint8

Improvements 🕵️

• #3420, #3938 - Greatly improve write performance while creating a snapshot of a large collection
• #3962, #3971 - Report pending optimizations awaiting an update operation in collection info
• #3998 - Improve indexed_only reliability on proxy shards
• #3798 - Make shard diff transfer fall back to streaming records
• #3784 - Cancel shard transfers when the shard is deleted
• #4037 - Improve sparse vectors search performance by another 7%
• #3982 - Build Qdrant with a single codegen unit to allow better compile-time optimizations
• #4052 - Remove vectors_count from collection info because it is unreliable. Check usage of this field before upgrading
• #3803 - Remove shard transfer method field from abort shard transfer operation

Bug fixes 💔

• #3990 - Fix potentially losing points on crash
• #4034 - Fix potentially losing points on segment flushing
• #4057 - Fix potentially losing points by improper moves between segments when recovering WAL
• #4058 - Fix segments not being flushed properly with rapid sequential optimizations
• #3995, #3996 - Fix read ordering of segments to prevent missing points just being moved
• #3975 - Fix consensus operations getting stuck if they timed out
• #3905 - Fix collection creation if files were left behind on disk
• #4029 - Fix collection deletions conflicting with concurrent collection creation
• #3991 - Fix arbitrary path traversal when uploading snapshots with created collection names
• #4033 - Do not allow symlinks in snapshot archives
• #4047 - Fix recommendation API for sparse vectors
• #3965 - Fix discovery search with sparse vectors over gRPC
• #3928 - Stabilize vector normalization, prevent renormalizing multiple times breaking data consistency
• #4054 - Fix incorrect ordering when using order_by across multiple nodes
• #4067 - Fix timeout being ignored when dropping segment data, potentially leaving them behind forever
• #3980 - Internally forward operations with wait=true during shard transfers
• #3945 - Keep jemalloc only for amd64 and aarch64 to fix build failures

Dashboard 🍱

• qdrant/qdrant-web-ui#175 - Add page to generate RBAC JWT tokens
• qdrant/qdrant-web-ui#169 - Before saving payload changes, ask for confirmation with dialog showing diff
• qdrant/qdrant-web-ui#173 - Validate collection names
• Other changes

---

Thanks to @abhishek818 @RPallas92 @tellet-q @xzfc @ffuugoo @IvanPleshkov @agourlay @coszio @generall @timvisee for their contributions!

v1.8.4

Bug fixes

• #3948 - Fix persisted crash when using space in quoted JSON path

v1.8.3

Bug fixes

• #3856, #3867 - Fix arbitrary path traversal vulnerability in full snapshot REST API

Improvements

• #3837 - Improve error message when doing upsertion with malformed data

Dashboard

• qdrant/qdrant-web-ui#167 - Find similar points by payload key:value pair
• qdrant/qdrant-web-ui#166 - Fix find similar point ID not working in some cases
• qdrant/qdrant-web-ui#165 - Support 64-bit numbers
• Other changes

v1.8.2

Bug Fixes

• #3832
  • fix propagation of max_optimization_threads on the collection params update
  • Improve of indexing optimizer conditions
• #3835 - prevent unnecessary flushes of WAL Clock
• #3776 - make /readyz check reliable on horizontal scaling
• #3806 - fix memory addresses alignment for HNSW graph

v1.8.1

Bug fixes

• #3788 - Allow payload paths starting with numbers

v1.8.0

Change log

Features 📅

• Add ability to order Scroll API results by payload value - #3493, #3533, #3562, #3540, #3589, #3726
• Add date time payload index to efficiently filter by date time ranges - #3395, #3516, #3549, #3578, #3622, #3729, #3730
• #3472 - Add API to check if a collection exists
• #3466 - Allow specifying a minimum number of conditions to match in payload filters
• #3548 - Improve set_payload API, adds ability to modify nested fields

Improvements 🏎️

• Sparse vector search performance improvements, making it 16x faster - #3464, #3275, #3327, #3348, #3347, #3368, #3393, #3413, #3424, #3527, #3560, #3609, #3619, #3605
• Improve CPU saturation, greatly speeding up indexing on high CPU systems - #3364, #3115
• Improve various payload indices
  • #3497 - Reduce memory usage for the text index
  • #3297 - Reduce memory usage for geo index
  • #3625 - Improve loading time for test field index
  • #3563 - Compress text index, greatly improving tail latencies and memory usage
• Add new release artifacts to support more platforms
  • #3342 - MUSL binaries for x86_64 and AArch64
  • #3343 - Portable AppImage binary
  • #3344 - Debian package with *.deb archive
• Avoid re-indexing point if fields without an index are updated - #3611
• Refactor payload key parsing - #3674, #3697, #3709
• #3367 - Ensure consistency when an update request is dropped in the middle
• #3525 - Optimize MatchAny performance with a large number of values
• #3629, #3633, #3641 - Performance optimizations for empty payloads
• #2840, #3381 - Add a checksum for snapshot files
• #3374 - Improve "loss" function for discovery search
• #3255 - Add config property to set default shard transfer method
• #3380 - Add ability to selectively disable the range or lookup index for integer payloads to save memory
• #3555 - Report progress of ongoing shard transfers
• #3311 - Also report collection recovery progress in non-interactive terminals
• #3235 - Set custom thread priorities on Linux for better scheduling
• #3257, #3313 - Avoid logging of health and metrics APIs in access log
• #3418 - Report the timestamp of last seen error in cluster, helpful for debugging
• #3419 - Expose the git commit hash of the build at the root endpoint
• #3498 - Allow loading of segments to be stopped in the middle if cancelled
• #3552 - Expose request timing histogram for Prometheus in metrics endpoint
• #3581 - Report version in logs on startup

Bug fixes 🔂

• #3386 - Fix multiple vector updates on same point in batch not working
• #3512 - Expose discover endpoint statistics in the metrics
• #3544 - Fix some REST endpoints not being usable with read-only API key
• #3592 - Fix internal proxy always forwarding successful requests three times
• #3423 - Return better suited status codes in the gRPC API
• #3387 - Disable large limit optimization for plain indices
• #3557, #3565 - Properly configure RocksDB options on all column families, reducing memory usage
• #3580 - Fix reading vector data out of bounds
• #3608 - Fix a potential zero division error in geo filter queries
• #3623 - Security patch for snapshot upload file name

Dashboard 🍱

• qdrant/qdrant-web-ui#153 - Add snapshots for demo collections
• qdrant/qdrant-web-ui#156 - Auto-complete required fields when inserting commands
• qdrant/qdrant-web-ui#155 - Add button to delete points
• qdrant/qdrant-web-ui#134 - Visualize discovery scores
• qdrant/qdrant-web-ui#160 - Fix vector visualisation with optional named vectors
• Other changes

---

Thanks to @AlexandruCihodaru @Florents-Tselai @Shylock-Hg @amietn @ding-young @Okabe-Rintarou-0 @JojiiOfficial @mrbusche @gabrieldemian @2k4sm @Anush008 @TuanaCelik @kwkr @neo773 @Dhanus3133 @KShivendu @joein @xzfc @ffuugoo @IvanPleshkov @agourlay @coszio @generall @timvisee for their contributions!