v9.0.7: .NET 9.0.7

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v9.0.6: .NET 9.0.6

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v9.0.5: .NET 9.0.5

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v9.0.4: .NET 9.0.4

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v9.0.3: .NET 9.0.3

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v9.0.2: .NET 9.0.2

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v9.0.1: .NET 9.0.1

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v9.0.0: .NET 9.0.0

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v8.0.18: .NET 8.0.18

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v8.0.17: .NET 8.0.17

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v8.0.16: .NET 8.0.16

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v8.0.15: .NET 8.0.15

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v8.0.14: .NET 8.0.14

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v8.0.13: .NET 8.0.13

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v8.0.12: .NET 8.0.12

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v8.0.11: .NET 8.0.11

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v10.0.0

What's Changed

• Give FunctionInvokingChatClient span a more OTELy name by@​verdie-g in#​6911
• Update repository branding from 9.10 to 10.0 by@​Copilot in#​6907
• Clean up local function names in AIFunctionFactory by@​Copilot in#​6909
• Update OpenTelemetryChatClient to output data on all tools by@​stephentoub in#​6906
• Update ToChatResponse{Async} to also factor in AuthorName by@​stephentoub in#​6910
• add support for background responses by@​SergeyMenshykh in#​6854
• FixMETGEN004 error message: print return type inErrorInvalidMethodReturnType by@​eduherminio in#​6905
• Fix OpenTelemetryChatClient failing on unknown content types by@​stephentoub in#​6915
• Add support for Connector ID and other follow ups by@​jozkee in#​6881
• Update AI lib changelogs by@​stephentoub in#​6920
• Merge internal changes by@​joperezr in#​6921
• Add Workstream, Stage, and PackageValidationBaselineVersion metadata to ServiceDiscovery libraries by@​Copilot in#​6919
• Add back Uri ctor to HostedMcpServerTool by@​jozkee in#​6926
• Set DisableNETStandardCompatErrors in ServiceDiscovery libraries by@​eerhardt in#​6927
• Update Package validation baseline version to 9.10.0 by@​Copilot in#​6922
• [main] Update dependencies from dotnet/arcade by@​dotnet-maestro[bot] in#​6802
• Extend service discovery to support Consul-based DNS lookups: by@​bart-vmware in#​6914
• Update AsOpenAIResponseItems to roundtrip User AIContent ResponseItems by@​stephentoub in#​6931
• Special-case AIContent returned from AIFunctionFactory.Create AIFunctions to not be serialized by@​stephentoub in#​6935
• Preserve function content inSummarizingChatReducer by@​MackinnonBuck in#​6908
• Tool reduction by@​MackinnonBuck in#​6781
• Fix coalescing of TextReasoningContent with ProtectedData by@​stephentoub in#​6936
• Doc updates by@​gewarren in#​6930
• Support DisplayNameAttribute for name resolution in AI libraries by@​Copilot in#​6942
• Fix EquivalenceEvaluator MaxOutputTokens to meet Azure OpenAI minimum requirement by@​Copilot in#​6948
• Support DefaultValueAttribute in AIFunctionFactory parameter handling by@​Copilot in#​6947
• Bump vite from 6.3.6 to 6.4.1 in /src/Libraries/Microsoft.Extensions.AI.Evaluation.Reporting/TypeScript by@​dependabot[bot] in#​6938
• Introduce Microsoft.Extensions.DataIngestion.Abstractions by@​adamsitnik in#​6949
• Update to latest schema version (accepted by MCP registry) by@​joelverhagen in#​6956
• Introduce IngestionChunkWriter build on top of MEVD by@​adamsitnik in#​6951
• Update AI Chat Web dependencies by@​MackinnonBuck in#​6955
• Add AITool -> OpenAI.Responses.ResponseTool conversion utility by@​rogerbarreto in#​6958
• Update AI changelogs for 9.10.1 by@​stephentoub in#​6950
• Add Name property to OtelMessage to store ChatMessage.AuthorName per OpenTelemetry semantic conventions by@​Copilot in#​6953
• Fix serialization of UserInputRequest/ResponseContent by@​stephentoub in#​6962
• Expose building blocks for external service discovery implementations by@​bart-vmware in#​6946
• Bump validator from 13.15.0 to 13.15.20 in /src/Libraries/Microsoft.Extensions.AI.Evaluation.Reporting/TypeScript by@​dependabot[bot] in#​6974
• Add eng/sdl-tsa-vars.config for TSA integration by@​Copilot in#​6980
• Add CodeInterpreterToolCall/ResultContent content types by@​stephentoub in#​6964
• Update to 1.38 of the otel genai standard convention by@​stephentoub in#​6981
• Introduce set of built-in Enrichers by@​adamsitnik in#​6957
• Allow ChatOptions.ConversationId to be an OpenAI conversation ID with Responses by@​stephentoub in#​6960
• Fix warning breaking official build, enable warningAsError in all pipelines by@​ericstj in#​6988
• Introduce HeaderChunker by@​adamsitnik in#​6979
• Introduce Markdown readers by@​adamsitnik in#​6969
• Add usage telemetry for aieval dotnet tool by@​shyamnamboodiripad in#​6773
• Update to OpenAI 2.6.0 by@​stephentoub in#​6996
• Don't specify MaxOutputTokens for EquivalenceEvaluator by@​shyamnamboodiripad in#​7006
• Fix Assert.Throws to validate parameter names by@​stephentoub in#​7007
• [MEDI] Remove collection key type workaround by@​adamsitnik in#​7010
• Enable binskim to extract packages by@​ericstj in#​6989
• Added net10.0 targeting to all packages and flowed RC2 dependency versions. by@​joperezr in#​6995
• [MEDI] Pipeline by@​adamsitnik in#​6993
• Add Semantic Similarity chunker by@​KrystofS in#​6994

New Contributors

• @​SergeyMenshykh made their first contribution in#​6854
• @​bart-vmware made their first contribution in#​6914

Full Changelog:dotnet/extensions@v9.10.0...v10.0.0

v9.10.0

What's Changed

• Branding updates for 9.10 by@​Copilot in#​6769
• Doc improvements by@​gewarren in#​6794
• Bump vite from 6.3.5 to 6.3.6 in /src/Libraries/Microsoft.Extensions.AI.Evaluation.Reporting/TypeScript by@​dependabot[bot] in#​6793
• Updated changelogs for AI libs by@​stephentoub in#​6787
• Update MCP server template by@​jeffkl in#​6772
• Add support for using ConversationID for AzureOpenAI and OpenAI by@​ViveliDuCh in#​6770
• Merging internal commits by@​joperezr in#​6801
• Merge changes from release/9.9 branch by@​joperezr in#​6803
• Support keyed HybridCache with keyed DistributedCaches and named options by@​kelly-yinn in#​6694
• Inventory as code by@​wtgodbe in#​6820
• Increase output token limit for EquivalenceEvaluator by@​shyamnamboodiripad in#​6835
• Fix KeyNotFoundException on HttpRequestLatencyListener.OnEventWritten for uknown event sources by@​ssmelov in#​6821
• Add project name normalization to match aspire's code generator logic by@​ViveliDuCh in#​6818
• Disable really noisy analyzers, part 1 by@​stephentoub in#​6837
• FixKeyNotFoundException inHttpRequestLatencyListener.OnEventWritten by@​pentp in#​6823
• Update global.json to use .NET 9.0.0 stable instead of RC 1 by@​Copilot in#​6846
• Add measures and tags with mediator object to the HttpClientLatencyLogEnricher by@​rainsxng in#​6783
• Add comprehensive .github/copilot-instructions.md for dotnet/extensions repository by@​Copilot in#​6792
• Update to .NET 10 SDK by@​eerhardt in#​6863
• Update Microsoft.Extensions.AI changelog files with current NuGet versions by@​Copilot in#​6849
• Fix GenerateImagesAsync_SingleImageGeneration integration test by@​stephentoub in#​6843
• Re-enable IDE0032 by@​stephentoub in#​6866
• Add OpenTelemetrySpeechToTextClient and friends by@​stephentoub in#​6845
• UpdateModelContextProtocol version in MCP template by@​MackinnonBuck in#​6870
• Scope Ollama resilience settings to Web/Program.cs and restore ServiceDefaults by@​ViveliDuCh in#​6850
• Update Aspire by@​Varorbc in#​6858
• Update MCP template for new registry specification by@​Copilot in#​6796
• Add support forHostApplicationBuilder in AmbientMetadata extension by@​eduherminio in#​6867
• Fix mcpserver test baselines by@​jeffhandley in#​6874
• Move Microsoft.Extensions.ServiceDiscovery to dotnet/extensions by@​eerhardt in#​6868
• Add copy constructors to option types (ChatOptions, etc.) by@​stephentoub in#​6882
• Fix ChatMessage.CreatedAt being always overwritten by the latest timestamp. by@​Copilot in#​6885
• Small doc fixes by@​gewarren in#​6887
• Update AI changelogs with some recent additions by@​stephentoub in#​6886
• Fix Assistants IChatClient handling of unrelated tool calls in history by@​stephentoub in#​6891
• Fix duplication between OpenAI Assistants pre-configured tools by@​stephentoub in#​6896
• Update MCP Server Template to adhere to 2025-09-29 server.json schema by@​joelverhagen in#​6888
• Remove Azure.AI.OpenAI dependency from templates and tests by@​Copilot in#​6873
• Remove UnsafeRelaxedJsonEscaping by@​peterwald in#​6899
• Fix bug to yield remaining buffered FCC by@​westey-m in#​6903
• Fix serialization of [Experimental] AIContent-derived types by@​stephentoub in#​6900

New Contributors

• @​westey-m made their first contribution in#​6745
• @​jeffkl made their first contribution in#​6772
• @​ViveliDuCh made their first contribution in#​6770
• @​kelly-yinn made their first contribution in#​6694
• @​ssmelov made their first contribution in#​6821
• @​Varorbc made their first contribution in#​6858

Full Changelog:dotnet/extensions@v9.9.0...v9.10.0

v9.9.0

Highlights

AI

• Abstractions forremote MCP servers; response/approval flow support via new experimental types
• Function approvals via new experimental types (e.g.,ApprovalRequiredAIFunction, user input/approval request & response content).
• Reasoning text streaming for OpenAI Responses ChatClient streaming.
• AIFunction split into a base class to improve extensibility.
• IChatReducer moved toMicrosoft.Extensions.AI.Abstractions.
• Updated toOpenAI 2.4.0 andgenai standard convention 1.37.
• Coalescing logic now treatsChatMessage.Role changes as new messages.
• GetResponseAsync<T> now reads only thelast message (bug fix).
• OpenTelemetry ChatClient/EmbeddingGenerator logsraw additional properties (no key mangling).
• Fixedempty annotated text chunk handling in streaming with OpenAI Assistants.

Telemetry & Diagnostics

• HTTP diagnostics logquery string params with proper redaction (emitted onurl.query).
• server.address telemetry emitshost only (per OpenTelemetry semantic conventions).
• Heuristics added to detectwell-known model hosts.
• Resource monitoring can considerEnvironment.CpuUsage.

New Contributors

• @​ykumashev made their first contribution in#​6696

Full Changelog:dotnet/extensions@v9.8.0...v9.9.0

v9.8.0

What's Changed

• Align EventId generation with M.E.Logging source-gen by@​xakep139 in#​6566
• Add resiliency mechanism to CPU and memory utilization checks by@​amadeuszl in#​6528
• Suppress flaky test until fixed by@​joelverhagen in#​6568
• Create a project template for an MCP server by@​joelverhagen in#​6547
• Use dnx instead of dotnet tool exec in MCP server template README by@​joelverhagen in#​6571
• Add reporting tests that show NLP results. by@​peterwald in#​6574
• Branding updates for 9.8.0 by@​joperezr in#​6573
• FixConfigureEvaluationTests.ps1 script when$ConfigRoot is not supplied by@​peterwald in#​6575
• Refactor Resource Monitoring by@​evgenyfedorov2 in#​6554
• Update McpServer template for 0.3.0-preview.2 by@​stephentoub in#​6578
• Add container.cpu.time metric by@​evgenyfedorov2 in#​5806
• Add netstandard2.0 compatibility to Microsoft.Extensions.Diagnostics.Testing and dependencies by@​bdovaz in#​6219
• Add netstandard2.0 compatibility to Microsoft.Extensions.Telemetry and dependencies by@​bdovaz in#​6218
• Simplify Http.Diagnostics by@​pentp in#​6174
• Add netstandard2.0 compatibility to Microsoft.Extensions.Http.Resilience and dependencies by@​bdovaz in#​6582
• Ingore null loggers returned by LogProviders in ELoggerFactory by@​petrroll in#​6585
• Merging changes from internal by@​joperezr in#​6588
• [Logging] Fixes LogProperties and LogPropertyIgnore attributes to work if an object being logged resides in a different assembly than the logging method by@​iliar-turdushev in#​6600
• Add memory usage metric by@​evgenyfedorov2 in#​6586
• Add schema version to server.json in MCP template by@​joelverhagen in#​6606
• Merge release/9.7 into main by@​joperezr in#​6589
• Update MCP server template readme to show both VS Code and Visual Studio notes by@​Copilot in#​6591
• Update Azure Open AI package referenced by eval integration tests by@​shyamnamboodiripad in#​6609
• Target .NET 8 for more stable runtime requirement by@​joelverhagen in#​6617
• Add support for new Azure AI Foundry project type for Safety evals by@​shyamnamboodiripad in#​6621
• M.E.AI.AzureAIInference - Azure.AI.Inference Package Bump by@​rogerbarreto in#​6624
• Add DataContent.Name property by@​stephentoub in#​6616
• Fix handling of multiple responses messages by@​stephentoub in#​6627
• Expose additional chat model conversion helpers by@​stephentoub in#​6629
• [main] Update dependencies from dotnet/arcade by@​dotnet-maestro[bot] in#​6633
• [Http.Resilience] The DisableFor method should try to retrieve the request object from the resilience context by@​iliar-turdushev in#​6618
• Bump Package validation baseline version to 9.7.0 by@​Copilot in#​6650
• Fix internal package version detection for project templates by@​MackinnonBuck in#​6651
• RemoveMicrosoft.Extensions.AI.Ollama by@​MackinnonBuck in#​6655
• Fix M.E.AI package refs by@​stephentoub in#​6654
• Add [Description] to DataContent.Uri by@​stephentoub in#​6615
• Fix duplicate solution file when creating an AI Chat Web app from VS by@​MackinnonBuck in#​6653
• Add ChatMessage.CreatedAt by@​stephentoub in#​6657
• Add TextContent.Annotations by@​stephentoub in#​6619
• Add FunctionInvokingChatClient.AdditionalTools by@​stephentoub in#​6661
• Fix unintentional test env var change by@​stephentoub in#​6660
• Add more openai conversion helpers by@​stephentoub in#​6662
• Add OriginalRepoCommitHash to assemblies by@​BrennanConroy in#​6667
• Include a trivial items keyword if missing. by@​eiriktsarpalis in#​6669
• Add resolution of function parameter level data annotation attributes. by@​eiriktsarpalis in#​6671
• Fix issue with NetSourceIndexStage1 for dependency conflict versions by@​joperezr in#​6672
• Expose streaming conversion utility methods by@​stephentoub in#​6636
• Couple of fixes for MEAI.Evaluation by@​shyamnamboodiripad in#​6673
• Fix one more version conflict on the docs transport package by@​joperezr in#​6675
• Introduce metadata to identify built-in evaluation metrics by@​shyamnamboodiripad in#​6674
• [main] Update dependencies from dotnet/arcade by@​dotnet-maestro[bot] in#​6679
• Emit {OriginalFormat} in HttpClient logger by@​iliar-turdushev in#​6682
• Update to OpenAI 2.3.0 by@​stephentoub in#​6684
• Remove AdjustTime from experimental by@​amadeuszl in#​6668
• Allow custom filtering logic for FakeLogger by@​Demo30 in#​5848
• Mark packages as stable and update to .NET Servicing versions by@​joperezr in#​6700
• [release/9.8] Backport several AI-related PRs by@​stephentoub in#​6703
• [release/9.8] Update Azure.AI.OpenAI by@​github-actions[bot] in#​6710
• [release/9.8] Add support for text-to-image by@​ericstj in#​6711
• [release/9.8] Use Azure hosting integrations in Aspire AI Chat Web template by@​MackinnonBuck in#​6712
• [release/9.8] Add middleware for reducing chat history by@​github-actions[bot] in#​6713

New Contributors

• @​joelverhagen made their first contribution in#​6568
• @​bdovaz made their first contribution in#​6219
• @​petrroll made their first contribution in#​6585

Full Changelog:dotnet/extensions@v9.7.0...v9.8.0

v9.7.0

What's Changed

• Branding updates for 9.7 by@​joperezr in#​6495
• Fix name of genai input/output tokens tag by@​stephentoub in#​6494
• [main] Update dependencies from dotnet/arcade by@​dotnet-maestro[bot] in#​6503
• Improve handling of RawRepresentation in OpenAI{Response}ChatClient by@​stephentoub in#​6500
• Bring back AsIChatClient for OpenAI AssistantClient by@​stephentoub in#​6501
• Add resiliency to Resource Monitoring in Linux by@​amadeuszl in#​6489
• Merging changes from the internal fork by@​joperezr in#​6508
• Workaround OpenAI assistant's RunCreationOption's tools override by@​stephentoub in [#&[Settings] Port Sync #820