Azure/azure-sdk-for-net Azure.Search.Documents_12.0.0

on GitHub

12.0.0 (2026-05-01)

Features Added

• Added support for 2026-04-01 service version.
• Added KnowledgeBaseRetrievalClient for agentic retrieval operations against knowledge bases.
• Added knowledge base management types: KnowledgeBase, KnowledgeBaseModel, KnowledgeBaseAzureOpenAIModel, and KnowledgeSourceReference.
• Added knowledge source types: AzureBlobKnowledgeSource, SearchIndexKnowledgeSource, IndexedOneLakeKnowledgeSource, and WebKnowledgeSource with associated parameters.
• Added knowledge base retrieval models: KnowledgeBaseRetrievalRequest, KnowledgeBaseRetrievalResponse, KnowledgeBaseMessage, KnowledgeBaseMessageContent, and KnowledgeBaseReference with typed variants (KnowledgeBaseAzureBlobReference, KnowledgeBaseSearchIndexReference, KnowledgeBaseIndexedOneLakeReference, KnowledgeBaseWebReference).
• Added knowledge base activity tracking: KnowledgeBaseActivityRecord, KnowledgeBaseAgenticReasoningActivityRecord, and KnowledgeBaseModelWebSummarizationActivityRecord.
• Added KnowledgeBaseActivityRecordType.ModelWebSummarization value for LLM web summarization activity records.
• Added knowledge source ingestion and status models: KnowledgeSourceIngestionParameters, KnowledgeSourceStatus, KnowledgeSourceStatistics, and SynchronizationState.
• Added AI skill types: ChatCompletionSkill, ContentUnderstandingSkill, and DocumentIntelligenceLayoutSkill with associated configuration models.
• Added AzureMachineLearningVectorizer and AzureMachineLearningParameters for AML-based vectorization.
• Added SearchAlias for index alias management.
• Added SearchIndexResponse model returned by index operations.
• Added NativeBlobSoftDeleteDeletionDetectionPolicy for native blob soft delete detection.
• Added VectorizableImageBinaryQuery and VectorizableImageUrlQuery for image-based vector search.
• Added DebugInfo property to SearchResults<T> and SearchResultsPage<T> for enhanced search debugging.
• Added VectorFilterMode.StrictPostFilter option for strict post-filtering in vector search.
• Added SearchServiceCounters.AliasCounter for alias resource tracking.
• Added SearchServiceLimits.MaxCumulativeIndexerRuntimeSeconds for runtime constraints.
• Added IndexerChangeTrackingState for indexer change tracking status.
• Added LookupDocument model for document lookup responses.
• Added nullable implicit conversion operators for SemanticErrorMode, SemanticErrorReason, SemanticSearchResultsType, and VectorFilterMode.
• Added AIServicesAccountIdentity and AIServicesAccountKey for AI services authentication.
• Added SearchClientSettings to support creating a SearchClient from IConfiguration, including configuration-based credential resolution and dependency injection registration.
• Added SearchIndexClientSettings to support creating a SearchIndexClient from IConfiguration, including configuration-based credential resolution and dependency injection registration.
• Added SearchIndexerClientSettings to support creating a SearchIndexerClient from IConfiguration, including configuration-based credential resolution and dependency injection registration.
• Added KnowledgeBaseRetrievalClientSettings to support creating a KnowledgeBaseRetrievalClient from IConfiguration, including configuration-based credential resolution and dependency injection registration.

Breaking Changes

• Deprecated EntityRecognitionSkill.SkillVersion.V1 is now obsolete. Use V3 instead.
• Deprecated EntityRecognitionSkill.IncludeTypelessEntities is now obsolete. Use V3 instead.
• Deprecated SentimentSkill.SkillVersion.V1 is now obsolete. Use V3 instead.