Change8

Weaviate

AI & LLMs

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

Latest: v1.38.1325 releases2 breaking changes1 common errorsView on GitHub

Release History

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v1.38.136 fixes2 features
Aug 27, 2026

This release introduces the DigitalOcean generative module and adds export/import endpoints for database user API-key hashes. It also includes several bug fixes, including improvements to reference draining, Docker security, re-vectorization, and replication scheduler noise.

v1.37.15Breaking53 fixes3 features
Aug 27, 2026

This release includes performance improvements across various modules like HNSW and BM25, adds new features such as cross-property AND matching and new generative modules, and fixes numerous bugs related to replication, caching, and data handling.

v1.39.210 fixes2 features
Aug 26, 2026

This release includes several bug fixes and performance improvements, such as making shard status checks atomic and optimizing async replication. It also introduces new features like the DigitalOcean generative module and endpoints for managing user API-key hashes.

v1.38.1217 fixes
Aug 25, 2026

This release includes various bug fixes and performance improvements across different modules, including runtime configuration, HNSW, LSMKV, batch operations, and replication. It also addresses linter issues and improves resource scanning and backup restore functionalities.

v1.39.156 fixes6 features
Aug 25, 2026

This release includes numerous bug fixes and performance improvements across various modules, including async replication, backups, and HNSW. It also introduces new features for REST search endpoints and enhances namespace management.

v1.38.114 fixes3 features
Aug 20, 2026

This release includes performance improvements for lsmkv and async-repl, along with bug fixes for hnsw and usage module alignment. It also introduces automated cleanup for stale replica movement operations.

v1.38.1047 fixes6 features
Aug 18, 2026

This release includes numerous bug fixes and performance improvements across various modules, including async replication, backups, and storage. New features introduce enhanced search capabilities via the REST API and improved backup options.

v1.38.926 fixes3 features
Aug 6, 2026

This release includes several bug fixes and performance improvements across various modules like usage, HNSW, flat, and replication. It also introduces the TwelveLabs Marengo multimodal vectorizer and a new kill switch for runtime reindexing.

v1.39.013 fixes5 features
Aug 4, 2026

This release introduces Namespaces for enhanced control-plane and data isolation, along with significant improvements to the BM25 search algorithm for better performance. It also includes preview features for altering schema by reindexing properties and dropping vector indices.

v1.38.8Breaking12 fixes11 features
Jul 29, 2026

This release introduces new features like cross-property AND matching in BM25 search and nested object filtering, alongside various bug fixes and dependency updates. Support for older backup formats has been removed.

v1.39.0-rc.15 features
Jul 29, 2026

This is a release candidate for v1.39.0, featuring GA releases for Namespaces, Alter Schema - Reindex property, gRPC web, and Search REST API, along with a Preview release for Alter Schema - Drop vector index.

v1.38.720 fixes3 features
Jul 27, 2026

This release includes several bug fixes and performance improvements, particularly in areas like range queries, backups, and index management. It also introduces persistent cluster and node identity for telemetry and adds new endpoints for namespace suspension.

v1.37.1423 fixes3 features
Jul 27, 2026

This release focuses on numerous bug fixes and performance improvements across various modules including lsmkv, memberlist, and db. It also introduces new features for monitoring and telemetry, and updates dependencies.

v1.39.0-rc.05 features
Jul 23, 2026

This is a release candidate for v1.39.0, marking features like Namespaces, Alter Schema (Reindex/Drop vector index), gRPC web, and Search REST API as Generally Available (GA). It signifies feature completion and the end of beta testing.

v1.38.623 fixes4 features
Jul 21, 2026

This release introduces a new REST near-text search endpoint and improves search response envelopes. It also includes numerous performance enhancements and bug fixes across various modules, including replication, reindexing, and LSM KV storage.

v1.36.238 fixes
Jul 20, 2026

This release includes performance improvements in search, fixes for flaky tests, and enhancements to error handling and node joining in the memberlist functionality.

v1.37.1321 fixes2 features
Jul 17, 2026

This release includes performance optimizations for BM25, shard management, and LSMKV operations. It also addresses several bug fixes, including issues with vector handling, deadlocks, and error reporting.

v1.38.529 fixes3 features
Jul 16, 2026

This release focuses on numerous bug fixes and performance improvements across various modules, including LSMKV, HNSW, and search functionalities. It also introduces new features like structured where-filter for hybrid search and warnings for overlapping collection cycles.

v1.36.2211 fixes3 features
Jul 15, 2026

This release includes several bug fixes and performance improvements, particularly in areas like HNSW graph management, LSM-tree operations, and concurrency handling. It also introduces features for lazy loading shards and constraining shard concurrency.

v1.38.49 fixes1 feature
Jul 15, 2026

This release includes performance improvements for BM25 and async replication, along with several bug fixes related to usage, object listing, and async replication stability. A new feature warns about schema apply stalls in the FSM loop.

v1.38.355 fixes3 features
Jul 10, 2026

This release focuses on performance improvements across various components like BM25, LSM-KV, and replication, alongside numerous bug fixes to enhance stability and reliability. Key fixes include addressing data races, improving error handling, and ensuring correct behavior in replication and backup scenarios.

v1.37.1244 fixes
Jul 8, 2026

This release focuses heavily on stability, performance, and bug fixes across various components including HNSW, replication, BM25, and the queueing system. Key improvements include better cgroup v2 support and numerous race condition fixes.

v1.36.2112 fixes
Jul 8, 2026

This release focuses primarily on stability and robustness, introducing numerous bug fixes across queue handling, gRPC services, and vector indexing validation.

v1.36.2014 fixes
Jul 6, 2026

This release focuses primarily on bug fixes across various components including HNSW indexing, replication testing, and permission handling. It also introduces cgroup v2 support via automaxprocs.

v1.37.118 fixes1 feature
Jun 30, 2026

This release focuses heavily on performance optimizations, particularly for BM25 scoring and LSMKV operations, alongside numerous bug fixes related to error handling, replication, and concurrency.

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