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Bump Microsoft.Agents.AI and 8 others#558
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@dependabot dependabot Bot commented on behalf of github May 7, 2026

Updated Microsoft.Agents.AI from 1.1.0 to 1.4.0.

Release notes

Sourced from Microsoft.Agents.AI's releases.

1.4.0

What's Changed

Full Changelog: microsoft/agent-framework@dotnet-1.3.0...dotnet-1.4.0

1.3.0

What's Changed

Full Changelog: microsoft/agent-framework@dotnet-1.2.0...dotnet-1.3.0

1.2.2

[1.2.2] - 2026-04-29

Added

  • agent-framework-azure-contentunderstanding: New alpha package — Azure AI Content Understanding context provider that auto-analyzes file attachments (documents, images, audio, video) and injects structured results into the LLM context, with multi-document session state, configurable timeout, output filtering via AnalysisSection, and auto-registered list_documents / get_analyzed_document tools (#​4829)
  • agent-framework-foundry-hosting: Add hosted Durable Workflow support — propagate full conversation history to workflow agents and wire Workflow.as_agent() end-to-end via the foundry hosting layer (#​5531)

Changed

  • agent-framework-orchestrations: [BREAKING] Standardize orchestration terminal outputs as AgentResponse so Workflow.as_agent() returns the final answer only; aligns sequential-approval (with_request_info) and concurrent (intermediate_outputs=True) flows on the same output contract (#​5301)
  • agent-framework-core, agent-framework-declarative: Preserve Workflow.run() shared state across calls so multi-turn WorkflowAgent invocations retain context, accept list[Message] input in the declarative start executor, and coerce Enum values when serializing PowerFx symbols (#​5531)
  • dependencies: Update workspace package dependencies and preserve mcp[ws] / uvicorn[standard] extras through override-dependencies in /python (#​5555)

Fixed

  • agent-framework-core: Fix observability spans not being correctly nested when using streaming (#​5552)
  • agent-framework-openai: Fix file_search citations breaking the assistant-message history roundtrip — skip hosted_file content in the assistant role so the Responses API no longer rejects input_file (#​5557)

Full Changelog: microsoft/agent-framework@python-1.2.1...python-1.2.2

1.2.1

[1.2.1] - 2026-04-28

Added

  • agent-framework-foundry-hosting: Add file data type support to hosted-agent Responses, refresh foundry-hosted-agents samples, and add response test coverage (#​5485)
  • samples: Add requirements.txt and .env.example to the a2a/ hosting sample for pip-based setup (#​5510)

Changed

  • dependencies: Update rich requirement from <15.0.0,>=13.7.1 to >=13.7.1,<16.0.0 in /python (#​5227)
  • dependencies: Bump prek from 0.3.8 to 0.3.9 in /python (#​5228)
  • dependencies: Bump python-multipart from 0.0.22 to 0.0.26 in /python (#​5286)
  • dependencies: Bump pyasn1 from 0.6.2 to 0.6.3 in /python (#​4748)
  • dependencies: Bump pytest from 9.0.2 to 9.0.3 in /python/packages/ag-ui (#​5461)
  • dependencies: Bump pytest from 9.0.2 to 9.0.3 in /python/packages/devui (#​5492)
  • dependencies: Bump pytest from 9.0.2 to 9.0.3 in /python/packages/lab (#​5470)
  • dependencies: Bump uv from 0.11.3 to 0.11.6 in /python/packages/lab (#​5469)
  • dependencies: Bump vite from 7.1.12 to 7.3.2 in /python/packages/devui/frontend (#​5127)
  • dependencies: Bump vite from 7.1.12 to 7.3.2 in /python/samples/05-end-to-end/chatkit-integration/frontend (#​5126)
  • dependencies: Bump postcss from 8.5.6 to 8.5.10 in /python/packages/devui/frontend (#​5484)
  • dependencies: Bump postcss from 8.5.6 to 8.5.10 in /python/samples/05-end-to-end/chatkit-integration/frontend (#​5491)
  • dependencies: Bump postcss from 8.5.6 to 8.5.12 in /python/samples/05-end-to-end/ag_ui_workflow_handoff/frontend (#​5527)
  • dependencies: Bump picomatch from 4.0.3 to 4.0.4 in /python/packages/devui/frontend (#​4921)
  • dependencies: Bump picomatch from 4.0.3 to 4.0.4 in /python/samples/05-end-to-end/ag_ui_workflow_handoff/frontend (#​4936)

Fixed

  • agent-framework-core: Prevent inner_exception from being lost in AgentFrameworkException (#​5167)

Full Changelog: microsoft/agent-framework@python-1.2.0...python-1.2.1

1.2.0

Changes:

  • f2b215a2f6d4767fd37b17dd33195100ea2e498f .NET [WIP] Foundry Hosted Agents Support (#​5312) [ #​5091, #​5287, #​5278, #​5281, #​5316, #​5336, #​5341, #​5367, #​5368, #​5371, #​5374, #​5406, #​5408 ]
  • 57fa8ea9022ac9ec39fb5ececb020aa042599c8f Python: Fix OpenAIEmbeddingClient to use AsyncOpenAI for /openai/v1 endpoints (#​5137) [ #​5068 ]
  • aa582d021d69dd3b047d7664ced090dcc08b56f2 Python: feat(evals): add ground_truth support for similarity evaluator (#​5234)
  • 8f17067383154e87e3a3c8ae673c7b5f1cf71add .NET: Update .NET package version 1.2.0 (#​5364)
  • 267351b7607595cfcb2d64c739587bc50a476e2f .NET: Expand Workflow Unit Test Coverage (#​5390)
  • adcd2d33f5e32be85ea141fc8cc6fbe590aa0981 .NET: Declarative workflows - Gracefully handle agent scenarios when no response is returned (#​5376)
  • d5777bc546ba48652d85cec6093b445965533a4a fix: Duplicate CallIds cause Handoff Message Filtering to fail (#​5359)
  • b6b191ad9c2ddaaa8a647419135f01a2d3fce73a Python: Add second approval-required tool (set_stop_loss) to concurrent_builder_tool_approval sample (#​4875) [ #​4874 ]
  • 2c8036779c20e5fa2feb6304c01e28c594e801a9 Python: Bump versions for a release. Update CHANGELOG (#​5385)
  • ce8b6305d8e7280ac9d22226a17e2e4f0828ef97 Python: Foundry hosted agent V2 (#​5379) [ #​5177, #​5215, #​5235, #​5261, #​5281, #​5284, #​5298, #​5372, #​5378 ]
See More
  • 07f4c8a8d66d2fba40bdd086f16cc6dca059d054 Python: Expose forwardedProps to agents and tools via session metadata (#​5264) [ #​5239 ]
  • 04aaf0c1fe6023a579a334f9d2afe5b79ca497f0 Python: Add support for Foundry Toolboxes (#​5346)
  • 3e54a689fc96d681a072fe7e7cfc445909dac74b Python: Add search tool content for OpenAI responses (#​5302)
  • 60af59ba8b3c871065d0a288f21bfd7f0d6be3c1 .NET: Features/3768-devui-aspire-integration (#​3771)
  • 69894eded89d6e8ebf7bdb75cd0d9da54ade8b21 Python: Flatten hyperlight execute_code output (#​5333)
  • 495e1dad6bf3c62b14929805cfd5f0409c897876 Python: Fix CopilotStudioAgent to reuse conversation ID from existing session (#​5299) [ #​5285 ]
  • 5777ed26e62e721375f78c404b8df1dfbc322560 .NET: fix: Add session support for Handoff-hosted Agents (#​5280)
  • 52303a8d07e8f9f2c3f056d969d99a9062c06219 .NET: Add Code Interpreter container file download samples (#​5014) [ #​3081 ]
  • c85d24da440ebe5266852f6356aecdadc41379c6 .NET: Fix declarative resume edge predicates to recognize both direct and PortableValue-wrapped forms after checkpoint restore (#​5323)
  • b03cb324d5cc5e91a55b5eb9045b8ead244aaf11 Python: Add Hyperlight CodeAct package and docs (#​5185)
  • dbf935b4e30cf9ae2553cad54f6bc09668f7eb62 .NET: fix: Foundry Agents without description in Handoff (#​5311)
  • ca580a8316a904e947e48aaba8f3c00eb738ae36 .NET: Add error checking to workflow samples (#​5175)
  • 101e07b0610e2a73e0c369be7e81907a44fb243f .NET: Add Handoff sample (#​5245)
  • aee1acbf8baeb9fb3b3f196975aae9e7f7481096 .NET: Foundry Evals integration for .NET (#​4914) [ #​5269 ]
  • 91e34358eb4f2643b13537b470d8ea0aeaec7307 Python: Feat: Add finish_reason support to AgentResponse and AgentResponseUpdate (#​5211) [ #​4622 ]
  • 90a633967ca60601fc696d335d770f9f05e236e2 Python: Fix Gemini client support for Gemini API and Vertex AI (#​5258)
  • c14beedb3af8bdee168e3a06a245a5b9d8fa5f75 test: Add Handoff composability test (#​5208)
  • 43d98974d3994486a35602467efcffb85839ce66 fix: propagate A2A metadata with namespaced key in additional_properties (#​5240) (#​5256)
  • 60da0ffb4803e0db18d3d3bde8e008eb4277882c .NET: Improve local release build perf by only formatting for one build target framework (#​5266)
  • a2044829b13659ac40f7f4112f74efcce15397cc .NET: Update Microsoft.Extensions.AI to 10.5.0 and OpenAI to 2.10.0 and remove unused refs (#​5269)
  • 435c66e9c9f215fdea4b041da35e6ca774b63094 Python: Handle url_citation annotations in FoundryChatClient streaming responses (#​5071) [ #​5029 ]
  • 52d50be9e06456aa8dc4adb2525b0bbd4f60d4d3 Bump Anthropic SDK to 12.13.0 and Anthropic.Foundry to 0.5.0 (#​5279)
  • d20f9b5f973b0b8f693f530a8e3c0f9d9c99bb94 Add AgentExecutorResponse.with_text() to preserve conversation history through custom executors (#​5255) [ #​5246 ]
  • 87a8fa2a9d0ffd3d0b4b31882e70c4f60462bb29 .NET: Fix intermittent checkpoint-restore race in in-process workflow runs (#​5134)
  • 8f7fd9525d1bf24f9606779ba7f8d41b66ce2ff1 Python: Add OpenAI types to default checkpoint encoding allow list (#​5297)
  • 69697065ab78502c5e58a7e6bc90ae14fdc46c20 Python: Add context_providers and description to workflow.as_agent() (#​4651)
  • fe4cd3cddc99f157710296dad892bec427cae991 Revert to public MCP server and skip on transient upstream errors (#​5296)
  • 611230cc8ebde031d6c15dbc15d7053ddf56b40c Python: improve misc-integration test robustness (#​5295)
  • f112150cfbc4d514b21b60a81bbe5239b4b2c81f Python: bump misc-integration retry delay to 30s (#​5293)
  • ff05c22c5853a51b83c05b6fdb3b8e982bbf3b31 Python: add experimental file history provider (#​5248)
  • eab7f09d03387a2b393f9785963353c1a09e8b6b Forward provider config to SessionConfig in GitHubCopilotAgent (fixes #​5190) (#​5195)
  • 68b93641b6802abd2d00a5191cb16c6074d39fe1 Python: Bump agent-framework-devui to 1.0.0b260414 for release (#​5259)
  • 2b251d904f1cb045ec3b7e13411cac3c1aa1e019 Python: Fix reasoning replay when store=False (#​5250)
  • 485af07b8c21896b7f24a0313b5a226b3bd711f8 Python: Add GeminiChatClient (#​4847)
    ... (truncated)

1.1.1

[1.1.1] - 2026-04-23

Added

  • agent-framework-core: Add expected_output ground-truth support to evaluate_workflow for similarity evaluators (#​5234)
  • agent-framework-ag-ui, agent-framework-a2a: Propagate thread_id and forwarded_props through AG-UI to A2A context_id (#​5383)
  • samples: Add second approval-required tool (set_stop_loss) to concurrent_builder_tool_approval sample (#​4875)
  • agent-framework-core: Add SKIP_PARSING sentinel for FunctionTool.invoke to bypass Content-wrapping and return raw function results (#​5424)

Changed

  • agent-framework-foundry-hosting: Correct Development Status classifier from Beta (4) to Alpha (3) to match the package's lifecycle stage (#​5387)
  • tests: Add Python flaky test report workflow (#​5342)
  • agent-framework-hyperlight: Simplify host callback to pass raw Python results via SKIP_PARSING, switch execute_code input schema to a plain JSON-schema dict, and tighten public API
    surface (#​5424)

Fixed

  • agent-framework-openai: Fix OpenAI Responses streaming to propagate created_at from the final response.completed event (#​5382)
  • agent-framework-openai: Fix OpenAIEmbeddingClient to use AsyncOpenAI for /openai/v1 endpoints (#​5137)
  • agent-framework-openai: Exclude null file_id from input_image payload to prevent schema 400 errors (#​5125)
  • agent-framework-foundry: Reconcile Toolbox hosted-tool payloads with the Responses API (#​5414)
  • agent-framework-ag-ui: Pass client thread_id as session_id when constructing AgentSession (#​5384)
  • agent-framework-hyperlight: Thread-confine WasmSandbox interactions via per-entry ThreadPoolExecutor to eliminate the PyO3 unsendable panic when touched from asyncio worker threads
    (#​5424)

Full Changelog: microsoft/agent-framework@python-1.1.0...python-1.1.1

Commits viewable in compare view.

Updated Microsoft.Extensions.AI from 10.4.0 to 10.5.0.

Release notes

Sourced from Microsoft.Extensions.AI's releases.

10.5.0

HTTP Logging Middleware APIs in Microsoft.AspNetCore.Diagnostics.Middleware are now stable. This release also transfers Microsoft.Extensions.VectorData.Abstractions and Microsoft.Extensions.VectorData.ConformanceTests from the Semantic Kernel repository into dotnet/extensions, jumping from 10.1.0 to 10.5.0 for consistent versioning. The release also delivers fixes across the AI libraries, AI Evaluation, and Service Discovery.

Breaking Changes

  1. Rename VectorStoreVectorAttribute constructor parameter #​7460
    • The Dimensions parameter was renamed to dimensions (lowercase). This is a source-breaking change only — binary compatibility is preserved.
    • If you use the named argument syntax new VectorStoreVectorAttribute(Dimensions: 1536), update it to new VectorStoreVectorAttribute(dimensions: 1536).

Experimental API Changes

Now Stable

  • HTTP Logging Middleware APIs are now stable (previously EXTEXP0013): AddHttpLogEnricher<T>, IHttpLogEnricher, and RequestHeadersLogEnricherOptions.HeadersDataClasses #​7380

What's Changed

AI

  • Fix OpenAIResponsesChatClient to respect "store":false in responses #​7417 by @​stephentoub
  • Fix InvalidOperationException in CoalesceWebSearchToolCallContent #​7419 by @​stephentoub
  • Handle F# optional parameters in AIFunctionFactory schema generation #​7439 by @​eiriktsarpalis
  • Fix ComputerCallResponseItem using Item.Id instead of CallId #​7446 by @​jozkee
  • Fix HostedFileContent with image MIME type sent as input_file instead of input_image #​7438 by @​stephentoub (co-authored by @​copilot)
  • Guard Activity.Current restore with null check in OpenTelemetry streaming clients #​7443 by @​stephentoub (co-authored by @​copilot)
  • Enable stateless mode in remote MCP server template (released as v1.2.0 on 2026-04-01) #​7441 by @​jeffhandley

Vector Data

  • Move Microsoft.Extensions.VectorData.Abstractions over from Semantic Kernel #​7434 by @​roji
  • Rename VectorStoreVectorAttribute dimensions constructor parameter #​7460 by @​roji

AI Evaluation

  • Add Path Validation for DiskBasedResponseCache and DiskBasedResultStore #​7397 by @​peterwald
  • Update brace-expansion for CVE-2026-33750 #​7457 by @​SamMonoRT

ASP.NET Core Extensions

  • Removing experimental attribute from Http logging middleware #​7380 by @​mariamgerges

Service Discovery

  • Implement RFC6761 reserved DNS names handling #​6924 by @​rzikm

Documentation Updates

  • Remove per-library CHANGELOG.md files #​7413 by @​jeffhandley

Test Improvements

... (truncated)

10.4.1

This release of the Microsoft.Extensions.AI packages adds new experimental APIs for Realtime client sessions and Text-to-Speech, along with OpenTelemetry and middleware improvements.

Packages in this release

Package Version
Microsoft.Extensions.AI.Abstractions 10.4.1
Microsoft.Extensions.AI 10.4.1
Microsoft.Extensions.AI.OpenAI 10.4.1

Experimental API Changes

New Experimental APIs

  • New experimental API: Realtime Client Sessions #​7285 and #​7399
  • New experimental API: Text-to-Speech Client #​7381

Changes to Experimental APIs

  • Hosted File Download Stream: write-path methods now explicitly throw NotSupportedException #​7394

What's Changed

AI

  • Add ITextToSpeechClient abstraction, middleware, and OpenAI implementation #​7381 by @​stephentoub
  • Realtime Client Proposal #​7285 by @​tarekgh
  • Add VoiceActivityDetection options to realtime session abstractions #​7399 by @​tarekgh
  • Make UriContent mediaType parameter optional with inference from URI file extension #​7398 by @​stephentoub (co-authored by @​Copilot)
  • Emit gen_ai.client.operation.exception via ILogger LoggerMessage on OpenTelemetry instrumentation classes #​7379 by @​stephentoub (co-authored by @​Copilot)
  • Support invoke_workflow as an equivalent parent span to invoke_agent in FunctionInvokingChatClient #​7382 by @​stephentoub (co-authored by @​Copilot)
  • Make HostedFileDownloadStream explicitly read-only #​7394 by @​stephentoub (co-authored by @​Copilot)

Documentation Updates

  • Document JSON schema derivation for return types in AIFunctionFactory #​7400 by @​stephentoub (co-authored by @​Copilot)

Test Improvements

  • Fix test warnings #​7369 by @​jozkee
  • Add tests for JSON deserialization of serializable types #​7373 by @​stephentoub (co-authored by @​Copilot)

Repository Infrastructure Updates

  • Update Package Validation Baseline to 10.4.0 #​7389 by @​jeffhandley (co-authored by @​Copilot)
  • Update ModelContextProtocol libraries to version 1.0.0 #​7340 by @​stephentoub (co-authored by @​Copilot)

Acknowledgements

  • @​eiriktsarpalis @​ericstj @​CodeBlanch @​lmolkova @​adamsitnik @​joperezr reviewed pull requests
    ... (truncated)

Commits viewable in compare view.

Updated Microsoft.Extensions.AI.Abstractions from 10.4.0 to 10.5.0.

Release notes

Sourced from Microsoft.Extensions.AI.Abstractions's releases.

10.5.0

HTTP Logging Middleware APIs in Microsoft.AspNetCore.Diagnostics.Middleware are now stable. This release also transfers Microsoft.Extensions.VectorData.Abstractions and Microsoft.Extensions.VectorData.ConformanceTests from the Semantic Kernel repository into dotnet/extensions, jumping from 10.1.0 to 10.5.0 for consistent versioning. The release also delivers fixes across the AI libraries, AI Evaluation, and Service Discovery.

Breaking Changes

  1. Rename VectorStoreVectorAttribute constructor parameter #​7460
    • The Dimensions parameter was renamed to dimensions (lowercase). This is a source-breaking change only — binary compatibility is preserved.
    • If you use the named argument syntax new VectorStoreVectorAttribute(Dimensions: 1536), update it to new VectorStoreVectorAttribute(dimensions: 1536).

Experimental API Changes

Now Stable

  • HTTP Logging Middleware APIs are now stable (previously EXTEXP0013): AddHttpLogEnricher<T>, IHttpLogEnricher, and RequestHeadersLogEnricherOptions.HeadersDataClasses #​7380

What's Changed

AI

  • Fix OpenAIResponsesChatClient to respect "store":false in responses #​7417 by @​stephentoub
  • Fix InvalidOperationException in CoalesceWebSearchToolCallContent #​7419 by @​stephentoub
  • Handle F# optional parameters in AIFunctionFactory schema generation #​7439 by @​eiriktsarpalis
  • Fix ComputerCallResponseItem using Item.Id instead of CallId #​7446 by @​jozkee
  • Fix HostedFileContent with image MIME type sent as input_file instead of input_image #​7438 by @​stephentoub (co-authored by @​copilot)
  • Guard Activity.Current restore with null check in OpenTelemetry streaming clients #​7443 by @​stephentoub (co-authored by @​copilot)
  • Enable stateless mode in remote MCP server template (released as v1.2.0 on 2026-04-01) #​7441 by @​jeffhandley

Vector Data

  • Move Microsoft.Extensions.VectorData.Abstractions over from Semantic Kernel #​7434 by @​roji
  • Rename VectorStoreVectorAttribute dimensions constructor parameter #​7460 by @​roji

AI Evaluation

  • Add Path Validation for DiskBasedResponseCache and DiskBasedResultStore #​7397 by @​peterwald
  • Update brace-expansion for CVE-2026-33750 #​7457 by @​SamMonoRT

ASP.NET Core Extensions

  • Removing experimental attribute from Http logging middleware #​7380 by @​mariamgerges

Service Discovery

  • Implement RFC6761 reserved DNS names handling #​6924 by @​rzikm

Documentation Updates

  • Remove per-library CHANGELOG.md files #​7413 by @​jeffhandley

Test Improvements

... (truncated)

10.4.1

This release of the Microsoft.Extensions.AI packages adds new experimental APIs for Realtime client sessions and Text-to-Speech, along with OpenTelemetry and middleware improvements.

Packages in this release

Package Version
Microsoft.Extensions.AI.Abstractions 10.4.1
Microsoft.Extensions.AI 10.4.1
Microsoft.Extensions.AI.OpenAI 10.4.1

Experimental API Changes

New Experimental APIs

  • New experimental API: Realtime Client Sessions #​7285 and #​7399
  • New experimental API: Text-to-Speech Client #​7381

Changes to Experimental APIs

  • Hosted File Download Stream: write-path methods now explicitly throw NotSupportedException #​7394

What's Changed

AI

  • Add ITextToSpeechClient abstraction, middleware, and OpenAI implementation #​7381 by @​stephentoub
  • Realtime Client Proposal #​7285 by @​tarekgh
  • Add VoiceActivityDetection options to realtime session abstractions #​7399 by @​tarekgh
  • Make UriContent mediaType parameter optional with inference from URI file extension #​7398 by @​stephentoub (co-authored by @​Copilot)
  • Emit gen_ai.client.operation.exception via ILogger LoggerMessage on OpenTelemetry instrumentation classes #​7379 by @​stephentoub (co-authored by @​Copilot)
  • Support invoke_workflow as an equivalent parent span to invoke_agent in FunctionInvokingChatClient #​7382 by @​stephentoub (co-authored by @​Copilot)
  • Make HostedFileDownloadStream explicitly read-only #​7394 by @​stephentoub (co-authored by @​Copilot)

Documentation Updates

  • Document JSON schema derivation for return types in AIFunctionFactory #​7400 by @​stephentoub (co-authored by @​Copilot)

Test Improvements

  • Fix test warnings #​7369 by @​jozkee
  • Add tests for JSON deserialization of serializable types #​7373 by @​stephentoub (co-authored by @​Copilot)

Repository Infrastructure Updates

  • Update Package Validation Baseline to 10.4.0 #​7389 by @​jeffhandley (co-authored by @​Copilot)
  • Update ModelContextProtocol libraries to version 1.0.0 #​7340 by @​stephentoub (co-authored by @​Copilot)

Acknowledgements

  • @​eiriktsarpalis @​ericstj @​CodeBlanch @​lmolkova @​adamsitnik @​joperezr reviewed pull requests
    ... (truncated)

Commits viewable in compare view.

Updated Microsoft.Extensions.AI.Abstractions from 10.4.0 to 10.5.2.

Release notes

Sourced from Microsoft.Extensions.AI.Abstractions's releases.

10.5.2

This patch release ships a single fix to Microsoft.Extensions.VectorData.Abstractions, correcting StorageName resolution when external serialization is enabled. Microsoft.Extensions.VectorData.ConformanceTests, Microsoft.Extensions.AI.Abstractions, Microsoft.Extensions.AI, and Microsoft.Extensions.AI.OpenAI are published alongside it for version coherency — they contain no code changes from 10.5.1.

Packages in this release

Package Version
Microsoft.Extensions.VectorData.Abstractions 10.5.2
Microsoft.Extensions.VectorData.ConformanceTests 10.5.2
Microsoft.Extensions.AI.Abstractions 10.5.2
Microsoft.Extensions.AI 10.5.2
Microsoft.Extensions.AI.OpenAI 10.5.2

What's Changed

Microsoft.Extensions.VectorData.Abstractions

  • Minor fixes to MEVD.Abstractions: correct StorageName behavior when external serialization is enabled, and disable a warning for net462. (by @​roji in #​7475)

Full Changelog: dotnet/extensions@v10.5.1...v10.5.2

10.5.1

Version 10.5.1 of the Microsoft.Extensions.AI packages stabilizes CodeInterpreter, WebSearch, and ImageGeneration tool content types. The release adds new experimental tool search and OpenAI request policy hooks. And the OpenTelemetry gen-ai semantic conventions are updated to align with v1.41.

The 'aiagent-webapi' project template in Microsoft.Agents.AI.ProjectTemplates is updated to align with v1.3.0 of Agent Framework, updating the OpenTelemetry dependencies within the template projects as well.

Packages in this release

Package Version
Microsoft.Extensions.AI 10.5.1
Microsoft.Extensions.AI.Abstractions 10.5.1
Microsoft.Extensions.AI.OpenAI 10.5.1
Microsoft.Extensions.AI.Templates 10.5.1-preview.3.26251.3
Microsoft.Agents.AI.ProjectTemplates 1.3.0-preview.1.26251.3

Experimental API Changes

Now Stable

The following types previously emitted the MEAI001 experimental diagnostic and are now stable.

  • CodeInterpreter and WebSearch tool content types are now stable #​7493
    • CodeInterpreterToolCallContent
    • CodeInterpreterToolResultContent
    • WebSearchToolCallContent
    • WebSearchToolResultContent
  • ImageGeneration tool content types and tool are now stable #​7476
    • ImageGenerationToolCallContent
    • ImageGenerationToolResultContent
    • HostedImageGenerationTool
    • ImageGenerationOptions
    • ImageGenerationResponseFormat (the Hosted enum value remains experimental)
    • IImageGenerator and the rest of the image generation infrastructure also remain experimental

New Experimental APIs

The following new APIs emit the MEAI001 experimental diagnostic.

  • New experimental API: HostedToolSearchTool with DeferredTools for tool-search-driven deferred tool loading #​7471
  • New experimental API: OpenAIRequestPolicies extension hook for appending System.ClientModel.PipelinePolicy instances to outgoing OpenAI requests #​7495

Breaking Changes to Experimental APIs

  • WebSearchToolResultContent.Results was renamed to Outputs as part of the stabilization in #​7493, aligning with CodeInterpreterToolResultContent.Outputs. The original Results property was included in version 10.4.0 and 10.5.0; this is a binary breaking change and consumers need to update to consume the updated property.

    WebSearchToolResultContent content = ...;
    - IList<AIContent>? items = content.Results;
    + IList<AIContent>? items = content.Outputs;

... (truncated)

10.5.0

HTTP Logging Middleware APIs in Microsoft.AspNetCore.Diagnostics.Middleware are now stable. This release also transfers Microsoft.Extensions.VectorData.Abstractions and Microsoft.Extensions.VectorData.ConformanceTests from the Semantic Kernel repository into dotnet/extensions, jumping from 10.1.0 to 10.5.0 for consistent versioning. The release also delivers fixes across the AI libraries, AI Evaluation, and Service Discovery.

Breaking Changes

  1. Rename VectorStoreVectorAttribute constructor parameter #​7460
    • The Dimensions parameter was renamed to dimensions (lowercase). This is a source-breaking change only — binary compatibility is preserved.
    • If you use the named argument syntax new VectorStoreVectorAttribute(Dimensions: 1536), update it to new VectorStoreVectorAttribute(dimensions: 1536).

Experimental API Changes

Now Stable

  • HTTP Logging Middleware APIs are now stable (previously EXTEXP0013): AddHttpLogEnricher<T>, IHttpLogEnricher, and RequestHeadersLogEnricherOptions.HeadersDataClasses #​7380

What's Changed

AI

  • Fix OpenAIResponsesChatClient to respect "store":false in responses #​7417 by @​stephentoub
  • Fix InvalidOperationException in CoalesceWebSearchToolCallContent #​7419 by @​stephentoub
  • Handle F# optional parameters in AIFunctionFactory schema generation #​7439 by @​eiriktsarpalis
  • Fix ComputerCallResponseItem using Item.Id instead of CallId #​7446 by @​jozkee
  • Fix HostedFileContent with image MIME type sent as input_file instead of input_image #​7438 by @​stephentoub (co-authored by @​copilot)
  • Guard Activity.Current restore with null check in OpenTelemetry streaming clients #​7443 by @​stephentoub (co-authored by @​copilot)
  • Enable stateless mode in remote MCP server template (released as v1.2.0 on 2026-04-01) #​7441 by @​jeffhandley

Vector Data

  • Move Microsoft.Extensions.VectorData.Abstractions over from Semantic Kernel #​7434 by @​roji
  • Rename VectorStoreVectorAttribute dimensions constructor parameter #​7460 by @​roji

AI Evaluation

  • Add Path Validation for DiskBasedResponseCache and DiskBasedResultStore #​7397 by @​peterwald
  • Update brace-expansion for CVE-2026-33750 #​7457 by @​SamMonoRT

ASP.NET Core Extensions

  • Removing experimental attribute from Http logging middleware #​7380 by @​mariamgerges

Service Discovery

  • Implement RFC6761 reserved DNS names handling #​6924 by @​rzikm

Documentation Updates

  • Remove per-library CHANGELOG.md files #​7413 by @​jeffhandley

Test Improvements

... (truncated)

10.4.1

This release of the Microsoft.Extensions.AI packages adds new experimental APIs for Realtime client sessions and Text-to-Speech, along with OpenTelemetry and middleware improvements.

Packages in this release

Package Version
Microsoft.Extensions.AI.Abstractions 10.4.1
Microsoft.Extensions.AI 10.4.1
Microsoft.Extensions.AI.OpenAI 10.4.1

Experimental API Changes

New Experimental APIs

  • New experimental API: Realtime Client Sessions #​7285 and #​7399
  • New experimental API: Text-to-Speech Client #​7381

Changes to Experimental APIs

  • Hosted File Download Stream: write-path methods now explicitly throw NotSupportedException #​7394

What's Changed

AI

  • Add ITextToSpeechClient abstraction, middleware, and OpenAI implementation #​7381 by @​stephentoub
  • Realtime Client Proposal #​7285 by @​tarekgh
  • Add VoiceActivityDetection options to realtime session abstractions #​7399 by @​tarekgh
  • Make UriContent mediaType parameter optional with inference from URI file extension #​7398 by @​stephentoub (co-authored by @​Copilot)
  • Emit gen_ai.client.operation.exception via ILogger LoggerMessage on OpenTelemetry instrumentation classes #​7379 by @​stephentoub (co-authored by @​Copilot)
  • Support invoke_workflow as an equivalent parent span to invoke_agent in FunctionInvokingChatClient #​7382 by @​stephentoub (co-authored by @​Copilot)
  • Make HostedFileDownloadStream explicitly read-only #​7394 by @​stephentoub (co-authored by @​Copilot)

Documentation Updates

  • Document JSON schema derivation for return types in AIFunctionFactory #​7400 by @​stephentoub (co-authored by @​Copilot)

Test Improvements

  • Fix test warnings #​7369 by @​jozkee
  • Add tests for JSON deserialization of serializable types #​7373 by @​stephentoub (co-authored by @​Copilot)

Repository Infrastructure Updates

  • Update Package Validation Baseline to 10.4.0 #​7389 by @​jeffhandley (co-authored by @​Copilot)
  • Update ModelContextProtocol libraries to version 1.0.0 #​7340 by @​stephentoub (co-authored by @​Copilot)

Acknowledgements

  • @​eiriktsarpalis @​ericstj @​CodeBlanch @​lmolkova @​adamsitnik @​joperezr reviewed pull requests
    ... (truncated)

Commits viewable in compare view.

Updated Microsoft.Extensions.AI.OpenAI from 10.0.1-preview.1.25571.5 to 10.5.2.

Release notes

Sourced from Microsoft.Extensions.AI.OpenAI's releases.

10.5.2

This patch release ships a single fix to Microsoft.Extensions.VectorData.Abstractions, correcting StorageName resolution when external serialization is enabled. Microsoft.Extensions.VectorData.ConformanceTests, Microsoft.Extensions.AI.Abstractions, Microsoft.Extensions.AI, and Microsoft.Extensions.AI.OpenAI are published alongside it for version coherency — they contain no code changes from 10.5.1.

Packages in this release

Package Version
Microsoft.Extensions.VectorData.Abstractions 10.5.2
Microsoft.Extensions.VectorData.ConformanceTests 10.5.2
Microsoft.Extensions.AI.Abstractions 10.5.2
Microsoft.Extensions.AI 10.5.2
Microsoft.Extensions.AI.OpenAI 10.5.2

What's Changed

Microsoft.Extensions.VectorData.Abstractions

  • Minor fixes to MEVD.Abstractions: correct StorageName behavior when external serialization is enabled, and disable a warning for net462. (by @​roji in #​7475)

Full Changelog: dotnet/extensions@v10.5.1...v10.5.2

10.5.1

Version 10.5.1 of the Microsoft.Extensions.AI packages stabilizes CodeInterpreter, WebSearch, and ImageGeneration tool content types. The release adds new experimental tool search and OpenAI request policy hooks. And the OpenTelemetry gen-ai semantic conventions are updated to align with v1.41.

The 'aiagent-webapi' project template in Microsoft.Agents.AI.ProjectTemplates is updated to align with v1.3.0 of Agent Framework, updating the OpenTelemetry dependencies within the template projects as well.

Packages in this release

Package Version
Microsoft.Extensions.AI 10.5.1
Microsoft.Extensions.AI.Abstractions 10.5.1
Microsoft.Extensions.AI.OpenAI 10.5.1
Microsoft.Extensions.AI.Templates 10.5.1-preview.3.26251.3
Microsoft.Agents.AI.ProjectTemplates 1.3.0-preview.1.26251.3

Experimental API Changes

Now Stable

The following types previously emitted the MEAI001 experimental diagnostic and are now stable.

  • CodeInterpreter and WebSearch tool content types are now stable #​7493
    • CodeInterpreterToolCallContent
    • CodeInterpreterToolResultContent
    • WebSearchToolCallContent
    • WebSearchToolResultContent
  • ImageGeneration tool content types and tool are now stable #​7476
    • ImageGenerationToolCallContent
    • ImageGenerationToolResultContent
    • HostedImageGenerationTool
    • ImageGenerationOptions
    • ImageGenerationResponseFormat (the Hosted enum value remains experimental)
    • IImageGenerator and the rest of the image generation infrastructure also remain experimental

New Experimental APIs

The following new APIs emit the MEAI001 experimental diagnostic.

  • New experimental API: HostedToolSearchTool with DeferredTools for tool-search-driven deferred tool loading #​7471
  • New experimental API: OpenAIRequestPolicies extension hook for appending System.ClientModel.PipelinePolicy instances to outgoing OpenAI requests #​7495

Breaking Changes to Experimental APIs

  • WebSearchToolResultContent.Results was renamed to Outputs as part of the stabilization in #​7493, aligning with CodeInterpreterToolResultContent.Outputs. The original Results property was included in version 10.4.0 and 10.5.0; this is a binary breaking change and consumers need to update to consume the updated property.

    WebSearchToolResultContent content = ...;
    - IList<AIContent>? items = content.Results;
    + IList<AIContent>? items = content.Outputs;

... (truncated)

10.5.0

HTTP Logging Middleware APIs in Microsoft.AspNetCore.Diagnostics.Middleware are now stable. This release also transfers Microsoft.Extensions.VectorData.Abstractions and Microsoft.Extensions.VectorData.ConformanceTests from the Semantic Kernel repository into dotnet/extensions, jumping from 10.1.0 to 10.5.0 for consistent versioning. The release also delivers fixes across the AI libraries, AI Evaluation, and Service Discovery.

Breaking Changes

  1. Rename VectorStoreVectorAttribute constructor parameter #​7460
    • The Dimensions parameter was renamed to dimensions (lowercase). This is a source-breaking change only — binary compatibility is preserved.
    • If you use the named argument syntax new VectorStoreVectorAttribute(Dimensions: 1536), update it to new VectorStoreVectorAttribute(dimensions: 1536).

Experimental API Changes

Now Stable

  • HTTP Logging Middleware APIs are now stable (previously EXTEXP0013): AddHttpLogEnricher<T>, IHttpLogEnricher, and RequestHeadersLogEnricherOptions.HeadersDataClasses #​7380

What's Changed

AI

  • Fix OpenAIResponsesChatClient to respect "store":false in responses #​7417 by @​stephentoub
  • Fix InvalidOperationException in CoalesceWebSearchToolCallContent #​7419 by @​stephentoub
  • Handle F# optional parameters in AIFunctionFactory schema generation #​7439 by @​eiriktsarpalis
  • Fix ComputerCallResponseItem using Item.Id instead of CallId #​7446 by @​jozkee
  • Fix HostedFileContent with image MIME type sent as input_file instead of input_image #​7438 by @​stephentoub (co-authored by @​copilot)
  • Guard Activity.Current restore with null check in OpenTelemetry streaming clients #​7443 by @​stephentoub (co-authored by @​copilot)
  • Enable stateless mode in remote MCP server template (released as v1.2.0 on 2026-04-01) #​7441 by @​jeffhandley

Vector Data

  • Move Microsoft.Extensions.VectorData.Abstractions over from Semantic Kernel #​7434 by @​roji
  • Rename VectorStoreVectorAttribute dimensions constructor parameter #​7460 by @​roji

AI Evaluation

  • Add Path Validation for DiskBasedResponseCache and DiskBasedResultStore #​7397 by @​peterwald
  • Update brace-expansion for CVE-2026-33750 #​7457 by @​SamMonoRT

ASP.NET Core Extensions

  • Removing experimental attribute from Http logging middleware #​7380 by @​mariamgerges

Service Discovery

  • Implement RFC6761 reserved DNS names handling #​6924 by @​rzikm

Documentation Updates

  • Remove per-library CHANGELOG.md files #​7413 by @​jeffhandley

Test Improvements

... (truncated)

10.4.1

This release of the Microsoft.Extensions.AI packages adds new experimental APIs for Realtime client sessions and Text-to-Speech, along with OpenTelemetry and middleware improvements.

Packages in this release

Package Version
Microsoft.Extensions.AI.Abstractions 10.4.1
Microsoft.Extensions.AI 10.4.1
Microsoft.Extensions.AI.OpenAI 10.4.1

Experimental API Changes

New Experimental APIs

  • New experimental API: Realtime Client Sessions #​7285 and #​7399
  • New experimental API: Text-to-Speech Client #​7381

Changes to Experimental APIs

  • Hosted File Download Stream: write-path methods now explicitly throw NotSupportedException #​7394

What's Changed

AI

  • Add ITextToSpeechClient abstraction, middleware, and OpenAI implementation #​7381 by @​stephentoub
  • Realtime Client Proposal #​7285 by @​tarekgh
  • Add VoiceActivityDetection options to realtime session abstractions #​7399 by @​tarekgh
  • Make UriContent mediaType parameter optional with inference from URI file extension #​7398 by @​stephentoub (co-authored by @​Copilot)
  • Emit gen_ai.client.operation.exception via ILogger LoggerMessage on OpenTelemetry instrumentation classes #​7379 by @​stephentoub (co-authored by @​Copilot)
  • Support invoke_workflow as an equivalent parent span to invoke_agent in FunctionInvokingChatClient #​7382 by @​stephentoub (co-authored by @​Copilot)
  • Make HostedFileDownloadStream explicitly read-only #​7394 by @​stephentoub (co-authored by @​Copilot)

Documentation Updates

  • Document JSON schema derivation for return types in AIFunctionFactory #​7400 by @​stephentoub (co-authored by @​Copilot)

Test Improvements

  • Fix test warnings #​7369 by @​jozkee
  • Add tests for JSON deserialization of serializable types #​7373 by @​stephentoub (co-authored by @​Copilot)

Repository Infrastructure Updates

  • Update Package Validation Baseline to 10.4.0 #​7389 by @​jeffhandley (co-authored by @​Copilot)
  • Update ModelContextProtocol libraries to version 1.0.0 #​7340 by @​stephentoub (co-authored by @​Copilot)

Acknowledgements

  • @​eiriktsarpalis @​ericstj @​CodeBlanch @​lmolkova @​adamsitnik @​joperezr reviewed pull requests
    ... (truncated)

10.4.0

This release advances the AI abstractions with new hosted file, web search, and reasoning content types, stabilizes MCP and tool approval APIs, adds streaming latency metrics to OpenTelemetry instrumentation, and delivers bug fixes across caching, data ingestion, and resource monitoring.

Experimental API Changes

Now Stable

  • MCP Server Tool Content and Function Call Approval APIs are now stable (previously MEAI001) #​7299
  • FakeLogCollector.GetLogsAsync(CancellationToken) is now stable (previously EXTEXP0003) #​7332

New Experimental APIs

  • New experimental AddExtendedHttpClientLogging overloads with wrapHandlersPipeline parameter (EXTEXP0013) #​7231

Removed Experimental APIs

  • AI Tool Reduction experimental APIs removed (was experimental under MEAI001) #​7353

What's Changed

AI

  • Add IHostedFileClient and friends #​7269 by @​stephentoub
  • Add web search tool call content #​7276 by @​stephentoub (co-authored by @​Copilot)
  • Surface OpenAI-compatible reasoning_content as TextReasoningContent #​7295 by @​stephentoub
  • MCP/Approvals/Tool Contents stabilization #​7299 by @​jozkee
  • Implement time_to_first_chunk and time_per_output_chunk streaming metrics in OpenTelemetryChatClient #​7325 by @​stephentoub (co-authored by @​Copilot)
  • Add openai.api.type telemetry attribute to OpenAI IChatClient implementations #​7316 by @​stephentoub (co-authored by @​Copilot)
  • Update OpenTelemetry Gen AI semantic conventions to v1.40 #​7322 by @​stephentoub (co-authored by @​Copilot)
  • Fix tool definitions emission regardless of sensitivity setting #​7346 by @​stephentoub (co-authored by @​Copilot)
  • Honor [Required] attribute in AI function parameter JSON schema generation #​7272 by @​stephentoub (co-authored by @​Copilot)
  • AddAIContentType automatically registers content type against every base in the inheritance chain up to AIContent #​7358 by @​jozkee (co-authored by @​Copilot)
  • Auto-mark server-handled FunctionCallContent as InformationalOnly #​7314 by @​stephentoub (co-authored by @​Copilot)
  • Map ReasoningEffort.None and ExtraHigh to none and xhigh in OpenAI IChatClient implementations #​7319 by @​stephentoub (co-authored by @​Copilot)
  • Handle DynamicMethod reflection limitations in AIFunctionFactory #​7287 by @​stephentoub (co-authored by @​Copilot)
  • Fix Activity.Current nulled during streaming tool invocation #​7321 by @​flaviocdc (co-authored by @​Copilot)
  • Handle FunctionCallOutputResponseItem in streaming response conversion #​7307 by @​stephentoub (co-authored by @​Copilot)
  • Fix serialization of response continuation tokens #​7356 by @​stephentoub
  • Remove AI Tool Reduction experimental APIs #​7353 by @​stephentoub (co-authored by @​Copilot)
  • Update OpenAI to 2.9.1 #​7349 by @​stephentoub

Telemetry and Observability

  • Introduce support for the Gauge metric type #​7203 by @​rainsxng
  • Update logging source generator to support generic methods #​7331 by @​svick (co-authored by @​Copilot)
  • Update logging source generator to match runtime PR #​124589 (ref readonly/params/scoped) #​7333 by @​svick (co-authored by @​Copilot)
  • Promote FakeLogCollector.GetLogsAsync(CancellationToken) from experimental to stable #​7332 by @​Demo30
  • Remove obsolete CS1591 warning suppression from generated file preamble #​7308 by @​luissena

HTTP Resilience and Diagnostics

... (truncated)

10.3.0

Experimental API Changes

Now Stable

  • IChatReducer interface — graduated from experimental to stable. The interface is now stable; concrete implementations (MessageCountingChatReducer, SummarizingChatReducer, ReducingChatClient) remain experimental. #​7235 by @​jeffhandley
  • FunctionCallContent and FunctionResultContent unsealed — changed from sealed class to class, enabling derivation. #​7229 by @​stephentoub (co-authored by @​Copilot)

Breaking Changes to Experimental APIs

  • Experimental diagnostic ID reorganization — the blanket MEAI001 diagnostic ID was split into feature-specific constants. OpenAI-specific experimental APIs now use OPENAI001, OPENAI002, or SCME0001 instead of MEAI001. Consumers who suppressed MEAI001 for OpenAI APIs may need to suppress OPENAI001/OPENAI002 instead. #​7116 by @​jeffhandley (co-authored by @​Copilot), #​7235 by @​jeffhandley

New Experimental APIs

  • Chat reduction implementationsMessageCountingChatReducer, SummarizingChatReducer, ReducingChatClient, and UseChatReducer builder extension. #​7235 by @​jeffhandley
  • OpenAI Responses/Assistants/Realtime/Image/Audio integrations — assigned feature-specific experimental diagnostic IDs (OPENAI001, OPENAI002). #​7235 by @​jeffhandley
  • ImageGenerationToolCallContent and ImageGenerationToolResultContent — added to JSON serialization infrastructure. #​7275 by @​stephentoub (co-authored by @​Copilot)

What's Changed

AI

  • Add ReasoningOptions to ChatOptions #​7252 by @​stephentoub (co-authored by @​Copilot)
  • Add LoadFromAsync and SaveToAsync helper methods to DataContent #​7159 by @​stephentoub (co-authored by @​Copilot)
  • Add FunctionCallContent.InformationalOnly property #​7126, #​7262 by @​stephentoub (co-authored by @​Copilot)
  • Add server tool call support to OpenTelemetryChatClient per semantic conventions #​7240 by @​stephentoub (co-authored by @​Copilot)
  • Add ImageGenerationToolCallContent and ImageGenerationToolResultContent to JSON serialization infrastructure #​7275 by @​stephentoub (co-authored by @​Copilot)
  • Add logging to FunctionInvokingChatClient for approval flow, error handling, and loop control #​7228 by @​stephentoub (co-authored by @​Copilot)
  • Allow FunctionResultContent pass-through when CallId matches #​7229 by @​stephentoub (co-authored by @​Copilot)
  • Remove AIFunctionDeclaration tools on last iteration in FunctionInvokingChatClient #​7207 by @​stephentoub (co-authored by @​Copilot)
  • Propagate CachedInputTokenCount in OpenTelemetry telemetry #​7234 by @​stephentoub (co-authored by @​Copilot)
  • Categorize MEAI001 experimental APIs #​7116 by @​jeffhandley (co-authored by @​Copilot)
  • MEAI: Update Experimental / Preview Features #​7235 by @​jeffhandley
  • ToChatResponse: Merge AdditionalProperties into ChatMessage instead of ChatResponse #​7194 by @​stephentoub (co-authored by @​Copilot)
  • Fix FunctionInvokingChatClient to respect ChatOptions.Tools modifications by function tools #​7218 by @​stephentoub (co-authored by @​Copilot)
  • Fix FunctionInvokingChatClient invoke_agent span detection with exact match or space delimiter #​7224 by @​stephentoub (co-authored by @​Copilot)
  • Fix approval request/response correlation in FunctionInvokingChatClient #​7261 by @​stephentoub (co-authored by @​Copilot)
  • Fix DataUriParser to default to text/plain;charset=US-ASCII per RFC 2397 #​7247 by @​stephentoub (co-authored by @​Copilot)
  • Fix NRT resolution for AIFunction parameters #​7200 by @​eiriktsarpalis
  • Preserve extra JSON schema properties in ToolJson serialization #​7250 by @​stephentoub (co-authored by @​Copilot)
  • Fix token metric unit to use UCUM format {token} #​7241 by @​stephentoub
  • Fix OpenAI responses streaming to preserve encrypted reasoning content #​7266 by @​stephentoub
  • Update OpenAIResponsesChatClient to handle streaming code interpreter content #​7267 by @​stephentoub

Diagnostics, Health Checks, and Resource Monitoring

  • [5752] FakeLogCollector waiting capabilities #​6228 by @​Demo30
  • Bring new cpu.requests formula from Kubernetes #​7239 by @​amadeuszl

Service Discovery

... (truncated)

10.2.0

What's Changed

New Contributors

Full Changelog: dotnet/extensions@v10.1...v10.2.0

10.1.0

What's Changed

Commits viewable in compare view.

Updated Microsoft.Extensions.AI.OpenAI from 10.5.0 to 10.5.2.

Release notes

Sourced from Microsoft.Extensions.AI.OpenAI's releases.

10.5.2

This patch release ships a single fix to Microsoft.Extensions.VectorData.Abstractions, correcting StorageName resolution when external serialization is enabled. Microsoft.Extensions.VectorData.ConformanceTests, Microsoft.Extensions.AI.Abstractions, Microsoft.Extensions.AI, and Microsoft.Extensions.AI.OpenAI are published alongside it for version coherency — they contain no code changes from 10.5.1.

Packages in this release

Package Version
Microsoft.Extensions.VectorData.Abstractions 10.5.2
Microsoft.Extensions.VectorData.ConformanceTests 10.5.2
Microsoft.Extensions.AI.Abstractions 10.5.2
Microsoft.Extensions.AI 10.5.2
Microsoft.Extensions.AI.OpenAI 10.5.2

What's Changed

Microsoft.Extensions.VectorData.Abstractions

  • Minor fixes to MEVD.Abstractions: correct StorageName behavior when external serialization is enabled, and disable a warning for net462. (by @​roji in #​7475)

Full Changelog: dotnet/extensions@v10.5.1...v10.5.2

10.5.1

Version 10.5.1 of the Microsoft.Extensions.AI packages stabilizes CodeInterpreter, WebSearch, and ImageGeneration tool content types. The release adds new experimental tool search and OpenAI request policy hooks. And the OpenTelemetry gen-ai semantic conventions are updated to align with v1.41.

The 'aiagent-webapi' project template in Microsoft.Agents.AI.ProjectTemplates is updated to align with v1.3.0 of Agent Framework, updating the OpenTelemetry dependencies within the template projects as well.

Packages in this release

Package Version
Microsoft.Extensions.AI 10.5.1
Microsoft.Extensions.AI.Abstractions 10.5.1
Microsoft.Extensions.AI.OpenAI 10.5.1
Microsoft.Extensions.AI.Templates 10.5.1-preview.3.26251.3
Microsoft.Agents.AI.ProjectTemplates 1.3.0-preview.1.26251.3

Experimental API Changes

Now Stable

The following types previously emitted the MEAI001 experimental diagnostic and are now stable.

  • CodeInterpreter and WebSearch tool content types are now stable #​7493
    • CodeInterpreterToolCallContent
    • CodeInterpreterToolResultContent
    • WebSearchToolCallContent
    • WebSearchToolResultContent
  • ImageGeneration tool content types and tool are now stable #​7476
    • ImageGenerationToolCallContent
    • ImageGenerationToolResultContent
    • HostedImageGenerationTool
    • ImageGenerationOptions
    • ImageGenerationResponseFormat (the Hosted enum value remains experimental)
    • IImageGenerator and the rest of the image generation infrastructure also remain experimental

New Experimental APIs

The following new APIs emit the MEAI001 experimental diagnostic.

  • New experimental API: HostedToolSearchTool with DeferredTools for tool-search-driven defe...

Description has been truncated

Bumps Microsoft.Agents.AI from 1.1.0 to 1.4.0
Bumps Microsoft.Extensions.AI from 10.4.0 to 10.5.0
Bumps Microsoft.Extensions.AI.Abstractions to 10.5.0, 10.5.2
Bumps Microsoft.Extensions.AI.OpenAI to 10.5.2
Bumps Microsoft.Graph from 5.104.0 to 5.105.0
Bumps Microsoft.NET.Test.Sdk from 18.4.0 to 18.5.1
Bumps Microsoft.SemanticKernel.Agents.Core from 1.74.0 to 1.75.0
Bumps Microsoft.SemanticKernel.Connectors.AzureOpenAI from 1.74.0 to 1.75.0
Bumps Microsoft.SemanticKernel.Connectors.OpenAI from 1.74.0 to 1.75.0

---
updated-dependencies:
- dependency-name: Microsoft.Agents.AI
  dependency-version: 1.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-all
- dependency-name: Microsoft.Extensions.AI
  dependency-version: 10.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-all
- dependency-name: Microsoft.Extensions.AI.Abstractions
  dependency-version: 10.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-all
- dependency-name: Microsoft.Extensions.AI.Abstractions
  dependency-version: 10.5.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-all
- dependency-name: Microsoft.Extensions.AI.OpenAI
  dependency-version: 10.5.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-all
- dependency-name: Microsoft.Graph
  dependency-version: 5.105.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-all
- dependency-name: Microsoft.SemanticKernel.Agents.Core
  dependency-version: 1.75.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-all
- dependency-name: Microsoft.SemanticKernel.Connectors.OpenAI
  dependency-version: 1.75.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-all
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-version: 18.5.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-all
- dependency-name: Microsoft.Extensions.AI.OpenAI
  dependency-version: 10.5.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: nuget-all
- dependency-name: Microsoft.SemanticKernel.Agents.Core
  dependency-version: 1.75.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-all
- dependency-name: Microsoft.SemanticKernel.Connectors.AzureOpenAI
  dependency-version: 1.75.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-all
- dependency-name: Microsoft.SemanticKernel.Connectors.OpenAI
  dependency-version: 1.75.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: nuget-all
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added .NET Pull requests that update .NET code dependencies Pull requests that update a dependency file labels May 7, 2026
@github-actions github-actions Bot added the Samples Changes to Samples label May 7, 2026
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