dotnet/extensions v9.9.0

on GitHub

Highlights

AI

• Abstractions for remote 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 to Microsoft.Extensions.AI.Abstractions.
• Updated to OpenAI 2.4.0 and genai standard convention 1.37.
• Coalescing logic now treats ChatMessage.Role changes as new messages.
• GetResponseAsync<T> now reads only the last message (bug fix).
• OpenTelemetry ChatClient/EmbeddingGenerator logs raw additional properties (no key mangling).
• Fixed empty annotated text chunk handling in streaming with OpenAI Assistants.

Telemetry & Diagnostics

• HTTP diagnostics log query string params with proper redaction (emitted on url.query).
• server.address telemetry emits host only (per OpenTelemetry semantic conventions).
• Heuristics added to detect well-known model hosts.
• Resource monitoring can consider Environment.CpuUsage.

New Contributors

• @ykumashev made their first contribution in #6696

Full Changelog: v9.8.0...v9.9.0