What's New `AzureAISearchTool` Improvements The Azure AI Search Tool API now features unified methods: `create_full_text_search()` (supporting `"simple"`, `"full"`, and `"semantic"` query types) `create_vector_search()` and `create_hybrid_search()` We also added support for client-side embeddings, while defaults to service embeddings when client embeddings aren't provided. If you have been using `create_keyword_search()`, update your code to use `create_full_text_search()` with `"simple"` query type. Simplify Azure Ai Search Tool by @jay-thakur in https://github.com/microsoft/autogen/pull/6511 `SelectorGroupChat` Improvements To support long context for the model-based selector in `SelectorGroupChat`, you can pass in a model context object through the new `model_context` parameter to customize the messages sent to the model client when selecting the next speaker.

Add `model_context` to `SelectorGroupChat` for enhanced speaker selection by @Ethan0456 in https://github.com/microsoft/autogen/pull/6330 OTEL Tracing Improvements We added new metadata and message content fields to the OTEL traces emitted by the `SingleThreadedAgentRuntime`. improve Otel tracing by @peterychang in…