Skip to content

CHANGELOG.md

Latest commit

 

History

History
320 lines (262 loc) · 13.1 KB

CHANGELOG.md

File metadata and controls

320 lines (262 loc) · 13.1 KB
Raw

Changelog

milvus-sdk-cpp 3.0.3 (2026-09-10)

Feature

  • Support client telemetry
  • Support global cluster
  • Support the Text datatype
  • Support client-side roaring bitmap blobs for roaring_match
  • Add function chains support for search

Improvement

  • Add an exception barrier so public SDK APIs never throw
  • Align MilvusClientV2 load/describe/compaction/stats APIs with PyMilvus
  • Align MilvusClientV2 RBAC/utility/index APIs with PyMilvus
  • Match PyMilvus search iterator external filter and empty DML/get short-circuits
  • Expose DML cost and validate search/hybrid_search parameters
  • Speed up builds with unity builds and line-table debug info
  • Add tutorials
  • Preserve empty database names for serverless requests
  • Avoid version conflicts with a system-installed protoc
  • Optimize client telemetry

milvus-sdk-cpp 3.0.2 (2026-08-07)

Feature

  • Support query by integer or string primary-key IDs
  • Support renaming collections across databases
  • Support client-side bloom filter blobs for bloom_match
  • Add the FMINDEX index type

Improvement

  • Refine collection schema and session timestamp caching for concurrent DML and DQL workloads
  • Align AddFunctionField validation and bound-index parameter handling with PyMilvus

Bug

  • Fix iterator pagination and session timestamp handling that could skip or return stale results
  • Preserve the active connection when a reconnect attempt is rejected
  • Refresh cached schemas when allow_insert_auto_id changes

milvus-sdk-cpp 3.0.1 (2026-07-24)

Feature

  • Support highlighting for search results
  • Support DumpMessages(), AlterRole(), and UpdateUser() interfaces
  • Support AddFunctionField(), DropCollectionField(), and DropFunctionField() interfaces
  • Add MilvusClientV2Session
  • Support aggregation for Search()
  • Support MinHash functions
  • Support CommitImport()/AbortImport() interfaces for bulk import
  • Support ORDER BY for search and query
  • Support search by primary-key IDs
  • Support nullable vector fields
  • Support field-level partial-update operations for upsert

Improvement

  • Align CreateRoleRequest/CreateUserRequest/SearchResponse/QueryResponse with other SDKs
  • Route collection schema evolution through AlterCollectionSchema with compatibility fallback for older Milvus servers
  • Avoid conflicts with a system-installed nlohmann/json library

milvus-sdk-cpp 3.0.0 (2026-06-18)

Feature

  • Support snapshot interfaces
  • Support external collection and file resource interfaces
  • Support struct field ANN search for BINARY_VECTOR/FLOAT16_VECTOR/BFLOAT16_VECTOR/INT8_VECTOR
  • Support element-level search for Struct field
  • Support AddCollectionStructField() interface
  • Support GetReplicateInfo() interface
  • Support FlushAll()/GetFlushAllState() interface

Improvement

  • Refine the struct field example to cover supported vector types and element-level search
  • Align GetLoadState/LoadCollection/LoadPartitions with PyMilvus

milvus-sdk-cpp 2.6.7 (2026-09-03)

Feature

  • Support GetServerVersionV2() with build-time, git-commit, go-version, and deploy-mode detail
  • Report operation cost in DmlResults and support L0 compaction for CompactRequest
  • Support user description for UpdatePasswordRequest
  • Add tutorials covering quickstart, collection, schema, index, DML, DQL, database, and RBAC

Improvement

  • Align MilvusClientV2 with pymilvus on cost, compact, rbac, and server version APIs
  • Speed up builds with unity build and line-tables debug info
  • Avoid conflicts with a system-installed protoc
  • Reject empty index lists in CreateIndex

Bug

  • Preserve empty database names for serverless requests

milvus-sdk-cpp 2.6.6 (2026-08-07)

Feature

  • Support query by integer or string primary-key IDs
  • Support renaming collections across databases

Improvement

  • Refine collection schema and session timestamp caching for concurrent DML and DQL workloads

Bug

  • Fix iterator pagination and session timestamp handling that could skip or return stale results
  • Preserve the active connection when a reconnect attempt is rejected

milvus-sdk-cpp 2.6.5 (2026-07-24)

Feature

  • Support highlighting for search results
  • Support DumpMessages(), AlterRole(), and UpdateUser() interfaces
  • Support search by primary-key IDs
  • Support nullable vector fields
  • Support field-level partial-update operations for upsert

Improvement

  • Align CreateRoleRequest/CreateUserRequest/SearchResponse/QueryResponse with other SDKs
  • Avoid conflicts with a system-installed nlohmann/json library

milvus-sdk-cpp 2.6.4 (2026-06-17)

Feature

  • Support GetReplicateInfo() interface
  • Support FlushAll()/GetFlushAllState() interfaces
  • Support GetReplicateConfiguration()/UpdateReplicateConfiguration() interfaces

Improvement

  • Align GetLoadState()/LoadCollection()/LoadPartitions() behavior with PyMilvus

milvus-sdk-cpp 2.6.3 (2026-05-06)

  • Support AddCollectionFunction(), AlterCollectionFunction(), and DropCollectionFunction() interfaces
  • Support BatchDescribeCollections() and DescribeReplicas() interfaces
  • Support RefreshLoad() and Optimize() interfaces

Bug

  • Fix a bug in DropIndex()

milvus-sdk-cpp 2.6.2 (2026-04-13)

Improvement

  • Use conan to manage dependencies
  • Set grpc keepalive interval to 10s with 5s timeout
  • Support TruncateCollection() interface
  • Add AISAQ and RTREE index type

Bug

  • Set limit to -1 for QueryIterator/SearchIterator so that they can iterate entire collection by default
  • Fix a bug in ListIndexes() when listing indexes in an empty collection

milvus-sdk-cpp 2.6.1 (2026-01-20)

Feature

  • Add CreateSimpleCollectionRequest for quickly creating a simple collection
  • Add Get() interface
  • Compatible with zilliz cloud instance, support connecting with uri
  • Support Multi-language Analyzers
  • Support partial update

Improvement

  • Pass collection_name/description to CreateCollectionRequest instead of CollectionSchema
  • Pass num_shards to CreateCollectionRequest instead of CollectionSchema
  • DescribeIndex/DropIndex support both field_name and index_name
  • Add multi-vector methods for SearchRequest/SubSearchRequest
  • Refine the request classes to reduce duplicate source code
  • SearchResult can return recalls if enable_recall_calculation is true for zilliz cloud instance
  • Add a method AddTypeParam() for FieldSchema class

Bug

  • AlterIndexProperties/DropIndexProperties cannot handle field_name, use index_name as input
  • Fix a bug that CreateIndexRequest sync mode is not correctly work to wait index
  • Fix a bug that SearchRequest.AddSparseVector() miss sparse vector when the size is unequal to the first vector
  • Fix a bug that search response might treat collection name as primary key name

milvus-sdk-cpp 2.5.4 (2026-01-20)

Feature

  • Add CreateSimpleCollectionRequest for quickly creating a simple collection
  • Add Get() interface
  • Compatible with zilliz cloud instance, support connecting with uri

Improvement

  • Pass collection_name/description to CreateCollectionRequest instead of CollectionSchema
  • Pass num_shards to CreateCollectionRequest instead of CollectionSchema
  • DescribeIndex/DropIndex support both field_name and index_name
  • Add multi-vector methods for SearchRequest/SubSearchRequest
  • Refine the request classes to reduce duplicate source code
  • SearchResult can return recalls if enable_recall_calculation is true for zilliz cloud instance

Bug

  • AlterIndexProperties/DropIndexProperties cannot handle field_name, use index_name as input
  • Fix a bug that CreateIndexRequest sync mode is not correctly work to wait index
  • Fix a bug that SearchRequest.AddSparseVector() miss sparse vector when the size is unequal to the first vector
  • Fix a bug that search response might treat collection name as primary key name

milvus-sdk-cpp 2.6.0 (2025-12-22)

Feature

  • Support Int8Vector field
  • Support Struct field
  • Support Geometry field
  • Support Timestamptz field
  • Support index types: HNSW_SQ/HNSW_PQ/HNSW_PRQ/IVF_RABITQ/MINHASH_LSH/NGRAM
  • Support metric types: MHJACCARD/MAX_SIM_COSINE/MAX_SIM_IP/MAX_SIM_L2/MAX_SIM_JACCARD/MAX_SIM_HAMMING
  • Support AddCollectionField()
  • Support CreateCollection with indexes
  • Support Rerank for SearchRequest

Improvement

  • Replace AddXXXVector(fieldName, vector) of SearchRequest/SubSearchRequest with WithFieldName() + AddXXXVector(vector)
  • LoadCollection/LoadPartitions with timeout setting, for waiting loading progress
  • CreateIndex with timeout setting, for waiting index progress
  • Flush with timeout setting, for waiting flush action complete
  • DescribeCollection outputs properties
  • GetLoadState returns loading progress percent
  • Change default value of enable_dynamic_schema from false to true

Bug

  • Fix a bug that DescribeIndex() always returns all indexes no matter field_name is specified or not

milvus-sdk-cpp 2.5.3 (2025-12-22)

Feature

  • Support CreateCollection with indexes

Improvement

  • Replace AddXXXVector(fieldName, vector) of SearchRequest/SubSearchRequest with WithFieldName() + AddXXXVector(vector)
  • LoadCollection/LoadPartitions with timeout setting, for waiting loading progress
  • CreateIndex with timeout setting, for waiting index progress
  • Flush with timeout setting, for waiting flush action complete
  • DescribeCollection outputs properties
  • GetLoadState returns loading progress percent
  • Change default value of enable_dynamic_schema from false to true

Bug

  • Fix a bug that DescribeIndex() always returns all indexes no matter field_name is specified or not

milvus-sdk-cpp 2.5.2 (2025-12-04)

Feature

  • Introduce MilvusClientV2 for clean/expandable interfaces

milvus-sdk-cpp 2.5.1 (2025-11-21)

Feature

  • Support RunAnalyzer()

milvus-sdk-cpp 2.5.0 (2025-11-12)

Feature

  • Support nullable field
  • Support default value for field
  • Support clustering key
  • Support BM25 full text search
  • Support text match
  • Support BITMAP/HNSW_SQ/HNSW_PQ/HNSW_PRQ index types

Improvement

  • Support group_size and strict_group_size for Search() and HybridSearch()

milvus-sdk-cpp 2.4.1 (2025-11-11)

Feature

  • Support partition key

Bug

  • Fix a bug that dynamic fields are missed for row-based insert/upsert
  • Fix a bug that all dynamic fields are displayed for search/query even if the output_fields only contain some of them
  • Fix a bug of dynamic field that describeCollection missed enable_dynamic
  • Fix a bug for insert that incorrect range check of float values

Improvement

  • Allow to insert dynamic fields for column-based insert/upsert
  • Change default value of shards_num to 1

milvus-sdk-cpp 2.4.0 (2025-09-19)

Feature

  • Add new index types(DISKANN/AUTOINDEX/SCANN/GPU_IVF_FLAT/GPU_IVF_PQ/GPU_BRUTE_FORCE/GPU_CAGRA/TRIE/STL_SORT/INVERTED/SPARSE_INVERTED_INDEX/SPARSE_WAND)
  • Add new metric types(COSINE)
  • Support CreateDatabase/DropDatabase/ListDatabases/AlterDatabase/DescribeDatabase/UsingDatabase interfaces
  • Support JSON field
  • Support Array field
  • Support dynamic field
  • Support SparseVector field
  • Support Float16Vector/BFloat16Vector field
  • Support Upsert interface
  • Support Consistency level
  • Support query by count(*)
  • Support GetLoadState interface
  • Support HybridSearch interface
  • Support row-based insert/upsert
  • Support DescribeAlias/ListAliases interfaces
  • Support AlterCollection/AlterCollectionField interfaces
  • Support AlterIndexProperties/DropIndexProperties interfaces
  • Support CreateResourceGroup/DropResourceGroup/UpdateResourceGroups/ListResourceGroups/DescribeResourceGroup interfaces
  • Support TransferNode/TransferReplica interfaces
  • Support CreateUser/UpdatePassword/DropUser/DescribeUser/ListUsers interfaces
  • Support CreateRole/DropRole/DescribeRole/ListRoles/GrantRole/RevokeRole interfaces
  • Support GrantPrivilege/RevokePrivilege/CreatePrivilegeGroup/DropPrivilegeGroup/ListPrivilegeGroups/AddPrivilegesToGroup/RemovePrivilegesFromGroup interfaces
  • Support QueryIterator/SearchIterator
  • Support CreateImportJobs/ListImportJobs/GetImportJobProgress interfaces

Improvement

  • Support connection with dbname
  • DropIndex() interface accepts index_name instead of field_name
  • Cache collection schema to reduce DescribeCollection call
  • Support search with grouping by field
  • Add retry machinery for rpc call
  • Add CurrentUsedDatabase method for MilvusClient
  • Add methods for QueryResults/SearchResults to return row-based results

Other changes

  • Remove unsupported index types(IVF_HNSW/RHNSW_FLAT/RHNSW_SQ/RHNSW_PQ/ANNOY)
  • Remove unsupported metric types(TANIMOTO/SUBSTRUCTURE/SUPERSTRUCTURE)
  • Remove CalcDistance interface, not supported by milvus 2.4
  • Remove Flush call in GetCollectionStats/GetPartitionStats/CreateIndex, milvus 2.4 doesn't allow calling Flush constantly
  • Directly pass radius/range_filter for range search, no need to verify them on the client side
  • CreateIndex() internally calls DescribeIndex() to check index state instead of GetIndexState()
  • Remove client-side checks for index parameters and search parameters, let milvus server validate
  • Deprecate ShowCollections, replaced by ListCollections
  • Deprecate ShowPartitions, replaced by ListPartitions
  • Rename GetVersion to GetServerVersion
  • Link gRPC as shared library instead of static link
  • Optional to build with external pre-installed gRPC lib
  • Add more examples
  • Simplify the project to reduce dependencies, only one dependency(gRPC) now