mirror of
https://github.com/pgvector/pgvector.git
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232 lines
6.3 KiB
Markdown
232 lines
6.3 KiB
Markdown
## 0.8.2 (2026-02-25)
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- Fixed buffer overflow with parallel HNSW index build
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- Improved `install` target on Windows
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- Fixed `Index Searches` in `EXPLAIN` output for Postgres 18
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## 0.8.1 (2025-09-04)
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- Added support for Postgres 18 rc1
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- Improved performance of `binary_quantize` function
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## 0.8.0 (2024-10-30)
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- Added support for iterative index scans
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- Added casts for arrays to `sparsevec`
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- Improved cost estimation for better index selection when filtering
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- Improved performance of HNSW index scans
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- Improved performance of HNSW inserts and on-disk index builds
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- Dropped support for Postgres 12
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## 0.7.4 (2024-08-05)
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- Fixed locking for parallel HNSW index builds
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- Fixed compilation error with GCC 14 on i386 when SSE2 is not enabled
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## 0.7.3 (2024-07-22)
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- Fixed `failed to add index item` error with `sparsevec`
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- Fixed compilation error with FreeBSD ARM
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- Fixed compilation warning with MSVC and Postgres 16
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## 0.7.2 (2024-06-11)
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- Fixed initialization fork for indexes on unlogged tables
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## 0.7.1 (2024-06-03)
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- Improved performance of on-disk HNSW index builds
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- Fixed `undefined symbol` error with GCC 8
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- Fixed compilation error with universal binaries on Mac
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- Fixed compilation warning with Clang < 14
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## 0.7.0 (2024-04-29)
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- Added `halfvec` type
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- Added `sparsevec` type
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- Added support for indexing `bit` type
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- Added support for indexing L1 distance with HNSW
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- Added `binary_quantize` function
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- Added `hamming_distance` function
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- Added `jaccard_distance` function
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- Added `l2_normalize` function
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- Added `subvector` function
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- Added concatenate operator for vectors
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- Added CPU dispatching for distance functions on Linux x86-64
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- Updated comparison operators to support vectors with different dimensions
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## 0.6.2 (2024-03-18)
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- Reduced lock contention with parallel HNSW index builds
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## 0.6.1 (2024-03-04)
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- Fixed error with `ANALYZE` and vectors with different dimensions
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- Fixed segmentation fault with `shared_preload_libraries`
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- Fixed vector subtraction being marked as commutative
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## 0.6.0 (2024-01-29)
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If upgrading with Postgres 12 or Docker, see [these notes](https://github.com/pgvector/pgvector#060).
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- Added support for parallel index builds for HNSW
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- Added validation for GUC parameters
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- Changed storage for vector from `extended` to `external`
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- Improved performance of HNSW
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- Reduced memory usage for HNSW index builds
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- Reduced WAL generation for HNSW index builds
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- Fixed error with logical replication
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- Fixed `invalid memory alloc request size` error with HNSW index builds
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- Moved Docker image to `pgvector` org
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- Added Docker tags for each supported version of Postgres
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- Dropped support for Postgres 11
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## 0.5.1 (2023-10-10)
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- Improved performance of HNSW index builds
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- Added check for MVCC-compliant snapshot for index scans
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## 0.5.0 (2023-08-28)
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- Added HNSW index type
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- Added support for parallel index builds for IVFFlat
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- Added `l1_distance` function
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- Added element-wise multiplication for vectors
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- Added `sum` aggregate
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- Improved performance of distance functions
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- Fixed out of range results for cosine distance
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- Fixed results for NULL and NaN distances for IVFFlat
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## 0.4.4 (2023-06-12)
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- Improved error message for malformed vector literal
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- Fixed segmentation fault with text input
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- Fixed consecutive delimiters with text input
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## 0.4.3 (2023-06-10)
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- Improved cost estimation
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- Improved support for spaces with text input
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- Fixed infinite and NaN values with binary input
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- Fixed infinite values with vector addition and subtraction
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- Fixed infinite values with list centers
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- Fixed compilation error when `float8` is pass by reference
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- Fixed compilation error on PowerPC
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- Fixed segmentation fault with index creation on i386
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## 0.4.2 (2023-05-13)
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- Added notice when index created with little data
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- Fixed dimensions check for some direct function calls
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- Fixed installation error with Postgres 12.0-12.2
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## 0.4.1 (2023-03-21)
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- Improved performance of cosine distance
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- Fixed index scan count
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## 0.4.0 (2023-01-11)
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If upgrading with Postgres < 13, see [this note](https://github.com/pgvector/pgvector/blob/v0.4.0/README.md#040).
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- Changed text representation for vector elements to match `real`
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- Changed storage for vector from `plain` to `extended`
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- Increased max dimensions for vector from 1024 to 16000
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- Increased max dimensions for index from 1024 to 2000
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- Improved accuracy of text parsing for certain inputs
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- Added `avg` aggregate for vector
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- Added experimental support for Windows
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- Dropped support for Postgres 10
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## 0.3.2 (2022-11-22)
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- Fixed `invalid memory alloc request size` error
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## 0.3.1 (2022-11-02)
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If upgrading from 0.2.7 or 0.3.0, [recreate](https://github.com/pgvector/pgvector/blob/v0.3.1/README.md#031) all `ivfflat` indexes after upgrading to ensure all data is indexed.
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- Fixed issue with inserts silently corrupting `ivfflat` indexes (introduced in 0.2.7)
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- Fixed segmentation fault with index creation when lists > 6500
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## 0.3.0 (2022-10-15)
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- Added support for Postgres 15
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- Dropped support for Postgres 9.6
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## 0.2.7 (2022-07-31)
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- Fixed `unexpected data beyond EOF` error
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## 0.2.6 (2022-05-22)
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- Improved performance of index creation for Postgres < 12
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## 0.2.5 (2022-02-11)
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- Reduced memory usage during index creation
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- Fixed index creation exceeding `maintenance_work_mem`
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- Fixed error with index creation when lists > 1600
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## 0.2.4 (2022-02-06)
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- Added support for parallel vacuum
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- Fixed issue with index not reusing space
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## 0.2.3 (2022-01-30)
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- Added indexing progress for Postgres 12+
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- Improved interrupt handling during index creation
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## 0.2.2 (2022-01-15)
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- Fixed compilation error on Mac ARM
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## 0.2.1 (2022-01-02)
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- Fixed `operator is not unique` error
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## 0.2.0 (2021-10-03)
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- Added support for Postgres 14
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## 0.1.8 (2021-09-07)
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- Added cast for `vector` to `real[]`
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## 0.1.7 (2021-06-13)
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- Added cast for `numeric[]` to `vector`
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## 0.1.6 (2021-06-09)
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- Fixed segmentation fault with `COUNT`
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## 0.1.5 (2021-05-25)
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- Reduced memory usage during index creation
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## 0.1.4 (2021-05-09)
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- Fixed kmeans for inner product
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- Fixed multiple definition error with GCC 10
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## 0.1.3 (2021-05-06)
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- Added Dockerfile
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- Fixed version
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## 0.1.2 (2021-04-26)
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- Vectorized distance calculations
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- Improved cost estimation
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## 0.1.1 (2021-04-25)
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- Added binary representation for `COPY`
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- Marked functions as `PARALLEL SAFE`
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## 0.1.0 (2021-04-20)
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- First release
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