microsoft · dmytrostruk · Dec 4, 2025 · Dec 4, 2025
diff --git a/python/CHANGELOG.md b/python/CHANGELOG.md
@@ -7,6 +7,38 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.0b251204] - 2025-12-04
+
+### Added
+
+- **agent-framework-core**: Add support for Pydantic `BaseModel` as function call result (#2606)
+- **agent-framework-core**: Executor events now include I/O data (#2591)
+- **samples**: Inline YAML declarative sample (#2582)
+- **samples**: Handoff-as-agent with HITL sample (#2534)
+
+### Changed
+
+- **agent-framework-core**: [BREAKING] Support Magentic agent tool call approvals and plan stalling HITL behavior (#2569)
+- **agent-framework-core**: [BREAKING] Standardize orchestration outputs as list of `ChatMessage`; allow agent as group chat manager (#2291)
+- **agent-framework-core**: [BREAKING] Respond with `AgentRunResponse` including serialized structured output (#2285)
+- **observability**: Use `executor_id` and `edge_group_id` as span names for clearer traces (#2538)
+- **agent-framework-devui**: Add multimodal input support for workflows and refactor chat input (#2593)
+- **docs**: Update Python orchestration documentation (#2087)
+
+### Fixed
+
+- **observability**: Resolve mypy error in observability module (#2641)
+- **agent-framework-core**: Fix `AgentRunResponse.created_at` returning local datetime labeled as UTC (#2590)
+- **agent-framework-core**: Emit `ExecutorFailedEvent` before `WorkflowFailedEvent` when executor throws (#2537)
+- **agent-framework-core**: Fix MagenticAgentExecutor producing `repr` string for tool call content (#2566)
+- **agent-framework-core**: Fixed empty text content Pydantic validation failure (#2539)
+- **agent-framework-azure-ai**: Added support for application endpoints in Azure AI client (#2460)
+- **agent-framework-azurefunctions**: Add MCP tool support (#2385)
+- **agent-framework-core**: Preserve MCP array items schema in Pydantic field generation (#2382)
+- **agent-framework-devui**: Make tool call view optional and fix links (#2243)
+- **agent-framework-core**: Always include output in function call result messages (#2414)
+- **agent-framework-redis**: Fix TypeError (#2411)
+
 ## [1.0.0b251120] - 2025-11-20
 
 ### Added
@@ -290,7 +322,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 For more information, see the [announcement blog post](https://devblogs.microsoft.com/foundry/introducing-microsoft-agent-framework-the-open-source-engine-for-agentic-ai-apps/).
 
-[Unreleased]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b251120...HEAD
+[Unreleased]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b251204...HEAD
+[1.0.0b251204]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b251120...python-1.0.0b251204
 [1.0.0b251120]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b251117...python-1.0.0b251120
 [1.0.0b251117]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b251114...python-1.0.0b251117
 [1.0.0b251114]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b251112.post1...python-1.0.0b251114

diff --git a/python/packages/a2a/pyproject.toml b/python/packages/a2a/pyproject.toml
@@ -4,7 +4,7 @@ description = "A2A integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

diff --git a/python/packages/ag-ui/pyproject.toml b/python/packages/ag-ui/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "agent-framework-ag-ui"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 description = "AG-UI protocol integration for Agent Framework"
 readme = "README.md"
 license-files = ["LICENSE"]

diff --git a/python/packages/anthropic/pyproject.toml b/python/packages/anthropic/pyproject.toml
@@ -4,7 +4,7 @@ description = "Anthropic integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

diff --git a/python/packages/azure-ai-search/pyproject.toml b/python/packages/azure-ai-search/pyproject.toml
@@ -4,7 +4,7 @@ description = "Azure AI Search integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251118"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

diff --git a/python/packages/azure-ai/pyproject.toml b/python/packages/azure-ai/pyproject.toml
@@ -4,7 +4,7 @@ description = "Azure AI Foundry integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

@@ -4,7 +4,7 @@ description = "Azure Functions integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

diff --git a/python/packages/chatkit/pyproject.toml b/python/packages/chatkit/pyproject.toml
@@ -4,7 +4,7 @@ description = "OpenAI ChatKit integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

diff --git a/python/packages/copilotstudio/pyproject.toml b/python/packages/copilotstudio/pyproject.toml
@@ -4,7 +4,7 @@ description = "Copilot Studio integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

diff --git a/python/packages/core/pyproject.toml b/python/packages/core/pyproject.toml
@@ -4,7 +4,7 @@ description = "Microsoft Agent Framework for building AI Agents with Python. Thi
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

diff --git a/python/packages/declarative/pyproject.toml b/python/packages/declarative/pyproject.toml
@@ -4,7 +4,7 @@ description = "Declarative specification support for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

diff --git a/python/packages/devui/pyproject.toml b/python/packages/devui/pyproject.toml
@@ -4,7 +4,7 @@ description = "Debug UI for Microsoft Agent Framework with OpenAI-compatible API
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://github.com/microsoft/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

diff --git a/python/packages/lab/pyproject.toml b/python/packages/lab/pyproject.toml
@@ -4,7 +4,7 @@ description = "Experimental modules for Microsoft Agent Framework"
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

diff --git a/python/packages/mem0/pyproject.toml b/python/packages/mem0/pyproject.toml
@@ -4,7 +4,7 @@ description = "Mem0 integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

diff --git a/python/packages/purview/pyproject.toml b/python/packages/purview/pyproject.toml
@@ -4,7 +4,7 @@ description = "Microsoft Purview (Graph dataSecurityAndGovernance) integration f
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://github.com/microsoft/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

diff --git a/python/packages/redis/pyproject.toml b/python/packages/redis/pyproject.toml
@@ -4,7 +4,7 @@ description = "Redis integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"

diff --git a/python/pyproject.toml b/python/pyproject.toml
@@ -4,7 +4,7 @@ description = "Microsoft Agent Framework for building AI Agents with Python. Thi
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b251120"
+version = "1.0.0b251204"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"
@@ -23,7 +23,7 @@ classifiers = [
   "Typing :: Typed",
 ]
 dependencies = [
-    "agent-framework-core[all]==1.0.0b251120",
+    "agent-framework-core[all]==1.0.0b251204",
 ]
 
 [dependency-groups]