microsoft · dmytrostruk · Mar 4, 2026 · Mar 4, 2026
diff --git a/python/CHANGELOG.md b/python/CHANGELOG.md
@@ -7,6 +7,47 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.0rc3] - 2026-03-04
+
+### Added
+
+- **agent-framework-core**: Add Shell tool ([#4339](https://github.com/microsoft/agent-framework/pull/4339))
+- **agent-framework-core**: Add `file_ids` and `data_sources` support to `get_code_interpreter_tool()` ([#4201](https://github.com/microsoft/agent-framework/pull/4201))
+- **agent-framework-core**: Map file citation annotations from `TextDeltaBlock` in Assistants API streaming ([#4316](https://github.com/microsoft/agent-framework/pull/4316), [#4320](https://github.com/microsoft/agent-framework/pull/4320))
+- **agent-framework-claude**: Add OpenTelemetry instrumentation to `ClaudeAgent` ([#4278](https://github.com/microsoft/agent-framework/pull/4278), [#4326](https://github.com/microsoft/agent-framework/pull/4326))
+- **agent-framework-azure-cosmos**: Add Azure Cosmos history provider package ([#4271](https://github.com/microsoft/agent-framework/pull/4271))
+- **samples**: Add `auto_retry.py` sample for rate limit handling ([#4223](https://github.com/microsoft/agent-framework/pull/4223))
+- **tests**: Add regression tests for Entry JoinExecutor workflow input initialization ([#4335](https://github.com/microsoft/agent-framework/pull/4335))
+
+### Changed
+
+- **samples**: Restructure and improve Python samples ([#4092](https://github.com/microsoft/agent-framework/pull/4092))
+- **agent-framework-orchestrations**: [BREAKING] Tighten `HandoffBuilder` to require `Agent` instead of `SupportsAgentRun` ([#4301](https://github.com/microsoft/agent-framework/pull/4301), [#4302](https://github.com/microsoft/agent-framework/pull/4302))
+- **samples**: Update workflow orchestration samples to use `AzureOpenAIResponsesClient` ([#4285](https://github.com/microsoft/agent-framework/pull/4285))
+
+### Fixed
+
+- **agent-framework-bedrock**: Fix embedding test stub missing `meta` attribute ([#4287](https://github.com/microsoft/agent-framework/pull/4287))
+- **agent-framework-ag-ui**: Fix approval payloads being re-processed on subsequent conversation turns ([#4232](https://github.com/microsoft/agent-framework/pull/4232))
+- **agent-framework-core**: Fix `response_format` resolution in streaming finalizer ([#4291](https://github.com/microsoft/agent-framework/pull/4291))
+- **agent-framework-core**: Strip reserved kwargs in `AgentExecutor` to prevent duplicate-argument `TypeError` ([#4298](https://github.com/microsoft/agent-framework/pull/4298))
+- **agent-framework-core**: Preserve workflow run kwargs when continuing with `run(responses=...)` ([#4296](https://github.com/microsoft/agent-framework/pull/4296))
+- **agent-framework-core**: Fix `WorkflowAgent` not persisting response messages to session history ([#4319](https://github.com/microsoft/agent-framework/pull/4319))
+- **agent-framework-core**: Fix single-tool input handling in `OpenAIResponsesClient._prepare_tools_for_openai` ([#4312](https://github.com/microsoft/agent-framework/pull/4312))
+- **agent-framework-core**: Fix agent option merge to support dict-defined tools ([#4314](https://github.com/microsoft/agent-framework/pull/4314))
+- **agent-framework-core**: Fix executor handler type resolution when using `from __future__ import annotations` ([#4317](https://github.com/microsoft/agent-framework/pull/4317))
+- **agent-framework-core**: Fix walrus operator precedence for `model_id` kwarg in `AzureOpenAIResponsesClient` ([#4310](https://github.com/microsoft/agent-framework/pull/4310))
+- **agent-framework-core**: Handle `thread.message.completed` event in Assistants API streaming ([#4333](https://github.com/microsoft/agent-framework/pull/4333))
+- **agent-framework-core**: Fix MCP tools duplicated on second turn when runtime tools are present ([#4432](https://github.com/microsoft/agent-framework/pull/4432))
+- **agent-framework-core**: Fix PowerFx eval crash on non-English system locales by setting `CurrentUICulture` to `en-US` ([#4408](https://github.com/microsoft/agent-framework/pull/4408))
+- **agent-framework-orchestrations**: Fix `StandardMagenticManager` to propagate session to manager agent ([#4409](https://github.com/microsoft/agent-framework/pull/4409))
+- **agent-framework-orchestrations**: Fix `IndexError` when reasoning models produce reasoning-only messages in Magentic-One workflow ([#4413](https://github.com/microsoft/agent-framework/pull/4413))
+- **agent-framework-azure-ai**: Fix parsing `oauth_consent_request` events in Azure AI client ([#4197](https://github.com/microsoft/agent-framework/pull/4197))
+- **agent-framework-anthropic**: Set `role="assistant"` on `message_start` streaming update ([#4329](https://github.com/microsoft/agent-framework/pull/4329))
+- **samples**: Fix samples discovered by auto validation pipeline ([#4355](https://github.com/microsoft/agent-framework/pull/4355))
+- **samples**: Use `AgentResponse.value` instead of `model_validate_json` in HITL sample ([#4405](https://github.com/microsoft/agent-framework/pull/4405))
+- **agent-framework-devui**: Fix .NET conversation memory handling in DevUI integration ([#3484](https://github.com/microsoft/agent-framework/pull/3484), [#4294](https://github.com/microsoft/agent-framework/pull/4294))
+
 ## [1.0.0rc2] - 2026-02-25
 
 ### Added
@@ -700,7 +741,8 @@ Release candidate for **agent-framework-core** and **agent-framework-azure-ai**
 
 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-1.0.0rc2...HEAD
+[Unreleased]: https://github.com/microsoft/agent-framework/compare/python-1.0.0rc3...HEAD
+[1.0.0rc3]: https://github.com/microsoft/agent-framework/compare/python-1.0.0rc2...python-1.0.0rc3
 [1.0.0rc2]: https://github.com/microsoft/agent-framework/compare/python-1.0.0rc1...python-1.0.0rc2
 [1.0.0rc1]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b260212...python-1.0.0rc1
 [1.0.0b260212]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b260210...python-1.0.0b260212

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 = "1.0.0b260225"
+version = "1.0.0b260304"
 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>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "a2a-sdk>=0.3.5",
 ]
 

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 = "1.0.0b260225"
+version = "1.0.0b260304"
 description = "AG-UI protocol integration for Agent Framework"
 readme = "README.md"
 license-files = ["LICENSE"]
@@ -22,7 +22,7 @@ classifiers = [
   "Typing :: Typed",
 ]
 dependencies = [
-    "agent-framework-core>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "ag-ui-protocol>=0.1.9",
     "fastapi>=0.115.0",
     "uvicorn>=0.30.0"

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 = "1.0.0b260225"
+version = "1.0.0b260304"
 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>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "anthropic>=0.70.0,<1",
 ]
 

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 = "1.0.0b260225"
+version = "1.0.0b260304"
 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>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "azure-search-documents==11.7.0b2",
 ]
 

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 = "1.0.0rc2"
+version = "1.0.0rc3"
 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>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "azure-ai-agents == 1.2.0b5",
     "azure-ai-inference>=1.0.0b9",
     "aiohttp",

diff --git a/python/packages/azure-cosmos/pyproject.toml b/python/packages/azure-cosmos/pyproject.toml
@@ -4,7 +4,7 @@ description = "Azure Cosmos DB history provider integration for Microsoft Agent
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b260219"
+version = "1.0.0b260304"
 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>=1.0.0rc1",
+    "agent-framework-core>=1.0.0rc3",
     "azure-cosmos>=4.9.0",
 ]
 

@@ -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 = "1.0.0b260225"
+version = "1.0.0b260304"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"
@@ -22,7 +22,7 @@ classifiers = [
   "Typing :: Typed",
 ]
 dependencies = [
-    "agent-framework-core>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "agent-framework-durabletask",
     "azure-functions",
     "azure-functions-durable",

diff --git a/python/packages/bedrock/pyproject.toml b/python/packages/bedrock/pyproject.toml
@@ -4,7 +4,7 @@ description = "Amazon Bedrock integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b260225"
+version = "1.0.0b260304"
 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>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "boto3>=1.35.0,<2.0.0",
     "botocore>=1.35.0,<2.0.0",
 ]

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 = "1.0.0b260225"
+version = "1.0.0b260304"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"
@@ -22,7 +22,7 @@ classifiers = [
   "Typing :: Typed",
 ]
 dependencies = [
-    "agent-framework-core>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "openai-chatkit>=1.4.0,<2.0.0",
 ]
 

diff --git a/python/packages/claude/pyproject.toml b/python/packages/claude/pyproject.toml
@@ -4,7 +4,7 @@ description = "Claude Agent SDK integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b260225"
+version = "1.0.0b260304"
 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>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "claude-agent-sdk>=0.1.25",
 ]
 

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 = "1.0.0b260225"
+version = "1.0.0b260304"
 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>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "microsoft-agents-copilotstudio-client>=0.3.1",
 ]
 

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 = "1.0.0rc2"
+version = "1.0.0rc3"
 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 = "1.0.0b260225"
+version = "1.0.0b260304"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"
@@ -22,7 +22,7 @@ classifiers = [
   "Typing :: Typed",
 ]
 dependencies = [
-    "agent-framework-core>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "powerfx>=0.0.31; python_version < '3.14'",
     "pyyaml>=6.0,<7.0",
 ]

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 = "1.0.0b260225"
+version = "1.0.0b260304"
 license-files = ["LICENSE"]
 urls.homepage = "https://github.com/microsoft/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"
@@ -23,7 +23,7 @@ classifiers = [
   "Typing :: Typed",
 ]
 dependencies = [
-    "agent-framework-core>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "fastapi>=0.104.0",
     "uvicorn[standard]>=0.24.0",
     "python-dotenv>=1.0.0",

@@ -4,7 +4,7 @@ description = "Durable Task integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b260225"
+version = "1.0.0b260304"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"
@@ -22,7 +22,7 @@ classifiers = [
   "Typing :: Typed",
 ]
 dependencies = [
-    "agent-framework-core>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "durabletask>=1.3.0",
     "durabletask-azuremanaged>=1.3.0",
     "python-dateutil>=2.8.0",

diff --git a/python/packages/foundry_local/pyproject.toml b/python/packages/foundry_local/pyproject.toml
@@ -4,7 +4,7 @@ description = "Foundry Local integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b260225"
+version = "1.0.0b260304"
 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>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "foundry-local-sdk>=0.5.1,<1",
 ]
 

diff --git a/python/packages/github_copilot/pyproject.toml b/python/packages/github_copilot/pyproject.toml
@@ -4,7 +4,7 @@ description = "GitHub Copilot integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b260225"
+version = "1.0.0b260304"
 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>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "github-copilot-sdk>=0.1.0",
 ]
 

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 = "1.0.0b260225"
+version = "1.0.0b260304"
 license-files = ["LICENSE"]
 urls.homepage = "https://aka.ms/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"
@@ -22,7 +22,7 @@ classifiers = [
   "Programming Language :: Python :: 3.14",
 ]
 dependencies = [
-  "agent-framework-core>=1.0.0rc2",
+  "agent-framework-core>=1.0.0rc3",
 ]
 
 [project.optional-dependencies]

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 = "1.0.0b260225"
+version = "1.0.0b260304"
 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>=1.0.0rc2",
+    "agent-framework-core>=1.0.0rc3",
     "mem0ai>=1.0.0",
 ]