Change8

Chroma

AI & LLMs

Open-source search and retrieval database for AI applications.

Latest: 1.4.047 releases4 breaking changesView on GitHub →

Release History

1.4.0Breaking3 fixes10 features
Dec 24, 2025

Version 1.4.0 introduces major enhancements including group by support across clients, CMEK support, and significant architectural work on the Rust sysdb service and WAL3 abstraction layers. This release also resolves several documentation issues and a bug affecting BM25 search under multithreading.

cli-1.3.0
Dec 24, 2025

No release notes provided.

cli-1.2.4
Dec 12, 2025

No release notes provided.

1.3.69 fixes31 features
Dec 10, 2025

This release introduces significant enhancements to embedding functions, compactor architecture (including backfill capabilities), and sparse vector handling. Several bug fixes address issues related to soft deletes, authorization, and error propagation.

cli-1.2.3
Dec 10, 2025

No release notes provided.

1.3.58 fixes11 features
Nov 18, 2025

Version 1.3.5 introduces several new embedding functions (Nomic, Google GenAI, transformers.js) and enhances garbage collection and schema validation. This release also includes numerous bug fixes across Python and JavaScript clients.

cli-1.2.2
Nov 18, 2025

No release notes provided.

1.3.32 features
Nov 5, 2025

Version 1.3.3 introduces the chroma_bm25 embedding function for Python and resolves an issue with Qwen EF hydration. This release also includes documentation updates and minor chore improvements.

1.3.22 fixes1 feature
Nov 4, 2025

Version 1.3.2 is a patch release that includes fixes for compaction jobs and sparse autoembed queries, along with an enhancement to the JavaScript packages list.

cli-1.2.1
Nov 3, 2025

No release notes provided.

cli-1.2.0
Oct 29, 2025

No release notes provided.

1.3.01 fix10 features
Oct 29, 2025

Version 1.3.0 introduces significant enhancements to schema handling, compaction processes, and adds support for the Rust client. This release focuses on internal stability and feature parity across different components.

1.2.2Breaking12 fixes14 features
Oct 26, 2025

Version 1.2.2 introduces major enhancements and refactoring to the Rust client, including renaming core types and adding features like BM25 support. This release also resolves several critical bugs related to request types, schema population, and API paths.

1.1.16 fixes13 features
Oct 5, 2025

Version 1.1.1 introduces several enhancements, including tenant overrides for bm25, improved search argument handling, and updates to the Fastembed function. Several bugs related to search errors, distance calculations, and metadata updates have also been resolved.

cli-1.1.11
Oct 1, 2025

No release notes provided.

cli-1.1.10
Sep 16, 2025

No release notes provided.

1.1.03 fixes11 features
Sep 16, 2025

Version 1.1.0 introduces significant enhancements to the search API, including rank expression support and IDF modifiers, alongside new GC controls and various backend stability improvements.

1.0.216 fixes31 features
Sep 11, 2025

Version 1.0.21 introduces significant enhancements in performance and observability, including AVX512 support, garbage collection improvements, and the foundational implementation for sparse vector support and a new search endpoint. Several bug fixes address metric cardinality and request handling issues.

cli-1.1.9
Sep 11, 2025

No release notes provided.

1.0.20
Aug 18, 2025

This release, version 1.0.20, was published on 2025-08-18 and corresponds to Git ref refs/tags/1.0.20.

cli-1.1.8
Aug 18, 2025

No release notes provided.

1.0.188 fixes14 features
Aug 18, 2025

Version 1.0.18 introduces significant performance enhancements through AVX utilization and query optimizations, alongside new features like manual garbage collection and CRN collection retrieval. Several bugs related to compaction, deadlocks, and garbage collection logic were also addressed.

cli-1.1.7
Aug 18, 2025

No release notes provided.

1.0.17Breaking5 fixes12 features
Aug 14, 2025

Version 1.0.17 focuses on enhancing observability with new metrics and tracing capabilities, alongside performance improvements like reduced peak memory usage in the compactor. A key change involves removing the 'id' field from the GetCollectionByResourceNameRequest structure.

cli-1.1.6
Aug 13, 2025

No release notes provided.

1.0.1612 fixes25 features
Aug 8, 2025

This release introduces significant enhancements in observability, performance optimizations for fetching and garbage collection, and stricter validation on collection creation endpoints. It also updates error handling for billing issues in the JS client and refines tracing configurations.

cli-1.1.5
Aug 7, 2025

No release notes provided.

1.0.1519 fixes14 features
Jul 2, 2025

Version 1.0.15 focuses heavily on stability, garbage collection improvements (especially for WAL3), and enhanced S3/storage handling. It includes numerous bug fixes related to data deletion, manifest consistency, and contention management.

cli-1.1.4
Jul 2, 2025

No release notes provided.

cli-1.1.3
Jun 23, 2025

No release notes provided.

1.0.1314 fixes8 features
Jun 18, 2025

Version 1.0.13 focuses heavily on performance improvements, stability fixes across the Rust log service and WAL3 reader, and introduces a new JavaScript client alongside documentation updates.

1.0.127 fixes16 features
May 31, 2025

Version 1.0.12 focuses heavily on internal stability, particularly around the Rust log service integration, garbage collection improvements for hard deletes, and general bug fixes. New features include support for the Mistral embedding function and enhanced validation for client configurations.

1.0.108 fixes15 features
May 22, 2025

Version 1.0.10 introduces several enhancements to caching, logging, and collection management, alongside various bug fixes, particularly around full-text search and log service payload sizes.

cli-1.1.2
May 20, 2025

No release notes provided.

1.0.97 fixes19 features
May 13, 2025

Version 1.0.9 introduces significant enhancements to logging, query filtering (regex support), and operational stability with added retries and bug fixes. Key improvements focus on internal service resilience and configuration management, especially around SPANN integration.

1.0.813 fixes15 features
May 5, 2025

Version 1.0.8 introduces significant feature enhancements, including collection forking across clients, new embedding function support (Cloudflare Worker AI, Together AI), and improved query capabilities. Numerous bugs related to HNSW, SPANN, consistency, and garbage collection have also been resolved.

cli-1.1.0
May 5, 2025

No release notes provided.

1.0.74 fixes10 features
Apr 25, 2025

Version 1.0.7 introduces significant enhancements around collection forking capabilities across SysDB, RFE, and Python interfaces, alongside various bug fixes and build system improvements.

1.0.6Breaking10 fixes10 features
Apr 22, 2025

Version 1.0.6 introduces significant enhancements to collection configuration management, improved logging/throttling, and fixes several critical bugs related to data handling and indexing.

1.0.52 fixes15 features
Apr 16, 2025

Version 1.0.5 introduces significant enhancements to garbage collection, storage layer request priority, and wal3 functionality, alongside fixing a race condition and improving error propagation. This release also removes JavaScript bindings from the core package build.

1.0.47 fixes10 features
Apr 10, 2025

Version 1.0.4 focuses on stability, fixing several bugs related to GC, CLI, and collection querying, while introducing new features like Baseten integration and improved metrics configuration.

cli-1.0.1
Apr 9, 2025

No release notes provided.

1.0.32 fixes1 feature
Apr 7, 2025

Version 1.0.3 focuses on stability with garbage collection improvements and fixes to the Windows CLI installation script, alongside documentation updates.

cli-1.0.0
Apr 7, 2025

No release notes provided.

1.0.08 fixes48 features
Apr 3, 2025

Version 1.0.0 introduces major architectural improvements, including moving the sysdb client to its own crate, enhancing distributed system capabilities with better routing and assignment, and improving compaction and garbage collection mechanisms. This release also features updates to Python and JS clients, including switching to the official Ollama client.

latest
Apr 1, 2025

This is a development release (1.4.1.dev23) with no documented changes in this release note snippet.

0.6.311 fixes8 features
Jan 14, 2025

Version 0.6.3 focuses heavily on bug fixes, particularly around HNSW indexing and data handling, alongside introducing several new features for database management and distributed operations.