microsoft · dmytrostruk · Feb 25, 2026 · Feb 25, 2026 · Feb 25, 2026 · Feb 25, 2026
diff --git a/python/CHANGELOG.md b/python/CHANGELOG.md
@@ -7,6 +7,31 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.0rc2] - 2026-02-25
+
+### Added
+
+- **agent-framework-core**: Support Agent Skills ([#4210](https://github.com/microsoft/agent-framework/pull/4210))
+- **agent-framework-core**: Add embedding abstractions and OpenAI implementation (Phase 1) ([#4153](https://github.com/microsoft/agent-framework/pull/4153))
+- **agent-framework-core**: Add Foundry Memory Context Provider ([#3943](https://github.com/microsoft/agent-framework/pull/3943))
+- **agent-framework-core**: Add `max_function_calls` to `FunctionInvocationConfiguration` ([#4175](https://github.com/microsoft/agent-framework/pull/4175))
+- **agent-framework-core**: Add `CreateConversationExecutor`, fix input routing, remove unused handler layer ([#4159](https://github.com/microsoft/agent-framework/pull/4159))
+- **agent-framework-azure-ai-search**: Azure AI Search provider improvements - EmbeddingGenerator, async context manager, KB message handling ([#4212](https://github.com/microsoft/agent-framework/pull/4212))
+- **agent-framework-azure-ai-search**: Enhance Azure AI Search Citations with Document URLs in Foundry V2 ([#4028](https://github.com/microsoft/agent-framework/pull/4028))
+- **agent-framework-ag-ui**: Add Workflow Support, Harden Streaming Semantics, and add Dynamic Handoff Demo ([#3911](https://github.com/microsoft/agent-framework/pull/3911))
+
+### Changed
+
+- **agent-framework-declarative**: [BREAKING] Add `InvokeFunctionTool` action for declarative workflows ([#3716](https://github.com/microsoft/agent-framework/pull/3716))
+
+### Fixed
+
+- **agent-framework-core**: Fix thread corruption when `max_iterations` is reached ([#4234](https://github.com/microsoft/agent-framework/pull/4234))
+- **agent-framework-core**: Fix workflow runner concurrent processing ([#4143](https://github.com/microsoft/agent-framework/pull/4143))
+- **agent-framework-core**: Fix doubled `tool_call` arguments in `MESSAGES_SNAPSHOT` when streaming ([#4200](https://github.com/microsoft/agent-framework/pull/4200))
+- **agent-framework-core**: Fix OpenAI chat client compatibility with third-party endpoints and OTel 0.4.14 ([#4161](https://github.com/microsoft/agent-framework/pull/4161))
+- **agent-framework-claude**: Fix `structured_output` propagation in `ClaudeAgent` ([#4137](https://github.com/microsoft/agent-framework/pull/4137))
+
 ## [1.0.0rc1] - 2026-02-19
 
 Release candidate for **agent-framework-core** and **agent-framework-azure-ai** packages.
@@ -675,7 +700,8 @@ 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-1.0.0rc1...HEAD
+[Unreleased]: https://github.com/microsoft/agent-framework/compare/python-1.0.0rc2...HEAD
+[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
 [1.0.0b260210]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b260130...python-1.0.0b260210

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 = "1.0.0b260219"
+version = "1.0.0b260225"
 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>=1.0.0rc2",
     "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 = "1.0.0b260219"
+version = "1.0.0b260225"
 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>=1.0.0rc1",
+    "agent-framework-core>=1.0.0rc2",
     "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 = "1.0.0b260219"
+version = "1.0.0b260225"
 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>=1.0.0rc2",
     "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 = "1.0.0b260219"
+version = "1.0.0b260225"
 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>=1.0.0rc2",
     "azure-search-documents==11.7.0b2",
 ]
 

diff --git a/python/packages/azure-ai-search/tests/test_aisearch_context_provider.py b/python/packages/azure-ai-search/tests/test_aisearch_context_provider.py
@@ -1297,7 +1297,6 @@ def test_text_only_messages(self) -> None:
         assert result[0].content[0].text == "hello"
 
     def test_image_uri_content(self) -> None:
-        from agent_framework import Content
 
         img = Content.from_uri(uri="https://example.com/photo.png", media_type="image/png")
         messages = [Message(role="user", contents=[img])]
@@ -1309,7 +1308,6 @@ def test_image_uri_content(self) -> None:
         assert result[0].content[0].image.url == "https://example.com/photo.png"
 
     def test_mixed_text_and_image_content(self) -> None:
-        from agent_framework import Content
 
         text = Content.from_text("describe this image")
         img = Content.from_uri(uri="https://example.com/img.jpg", media_type="image/jpeg")
@@ -1319,15 +1317,13 @@ def test_mixed_text_and_image_content(self) -> None:
         assert len(result[0].content) == 2
 
     def test_skips_non_text_non_image_content(self) -> None:
-        from agent_framework import Content
 
         error = Content.from_error(message="oops")
         messages = [Message(role="user", contents=[error])]
         result = AzureAISearchContextProvider._prepare_messages_for_kb_search(messages)
         assert len(result) == 0  # message had no usable content
 
     def test_skips_empty_text(self) -> None:
-        from agent_framework import Content
 
         empty = Content.from_text("")
         messages = [Message(role="user", contents=[empty])]
@@ -1341,7 +1337,6 @@ def test_fallback_to_msg_text_when_no_contents(self) -> None:
         assert result[0].content[0].text == "fallback text"
 
     def test_data_uri_image(self) -> None:
-        from agent_framework import Content
 
         img = Content.from_data(data=b"\x89PNG", media_type="image/png")
         messages = [Message(role="user", contents=[img])]
@@ -1352,7 +1347,6 @@ def test_data_uri_image(self) -> None:
         assert isinstance(result[0].content[0], KnowledgeBaseMessageImageContent)
 
     def test_non_image_uri_skipped(self) -> None:
-        from agent_framework import Content
 
         pdf = Content.from_uri(uri="https://example.com/doc.pdf", media_type="application/pdf")
         messages = [Message(role="user", contents=[pdf])]
@@ -1568,9 +1562,7 @@ def test_references_become_annotations(self) -> None:
                 KnowledgeBaseMessage(role="assistant", content=[KnowledgeBaseMessageTextContent(text="answer")]),
             ],
             references=[
-                KnowledgeBaseWebReference(
-                    id="ref-1", activity_source=0, url="https://example.com", title="Example"
-                ),
+                KnowledgeBaseWebReference(id="ref-1", activity_source=0, url="https://example.com", title="Example"),
             ],
         )
         result = AzureAISearchContextProvider._parse_messages_from_kb_response(response)

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 = "1.0.0rc1"
+version = "1.0.0rc2"
 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>=1.0.0rc2",
     "azure-ai-agents == 1.2.0b5",
     "aiohttp",
 ]

@@ -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 = "1.0.0b260219"
+version = "1.0.0b260225"
 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>=1.0.0rc1",
+    "agent-framework-core>=1.0.0rc2",
     "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 = "1.0.0b260219"
+version = "1.0.0b260225"
 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>=1.0.0rc2",
     "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 = "1.0.0b260219"
+version = "1.0.0b260225"
 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>=1.0.0rc1",
+    "agent-framework-core>=1.0.0rc2",
     "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 = "1.0.0b260219"
+version = "1.0.0b260225"
 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>=1.0.0rc2",
     "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 = "1.0.0b260219"
+version = "1.0.0b260225"
 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>=1.0.0rc2",
     "microsoft-agents-copilotstudio-client>=0.3.1",
 ]
 

diff --git a/python/packages/core/agent_framework/_skills.py b/python/packages/core/agent_framework/_skills.py
@@ -115,6 +115,7 @@ class _FileAgentSkill:
     source_path: str
     resource_names: list[str] = field(default_factory=list)
 
+
 # endregion
 
 # region Private module-level functions (skill discovery, parsing, security)
@@ -165,9 +166,7 @@ def _has_symlink_in_path(full_path: str, directory_path: str) -> bool:
     try:
         relative = Path(full_path).relative_to(dir_path)
     except ValueError as exc:
-        raise ValueError(
-            f"full_path {full_path!r} does not start with directory_path {directory_path!r}"
-        ) from exc
+        raise ValueError(f"full_path {full_path!r} does not start with directory_path {directory_path!r}") from exc
 
     current = dir_path
     for part in relative.parts:
@@ -436,6 +435,7 @@ def _build_skills_instruction_prompt(
 
     return template.format("\n".join(lines))
 
+
 # endregion
 
 # region Public API
@@ -494,7 +494,9 @@ def __init__(
         """
         super().__init__(source_id or self.DEFAULT_SOURCE_ID)
 
-        resolved_paths: Sequence[str] = [str(skill_paths)] if isinstance(skill_paths, (str, Path)) else [str(p) for p in skill_paths]
+        resolved_paths: Sequence[str] = (
+            [str(skill_paths)] if isinstance(skill_paths, (str, Path)) else [str(p) for p in skill_paths]
+        )
 
         self._skills = _discover_and_load_skills(resolved_paths)
         self._skills_instruction_prompt = _build_skills_instruction_prompt(skills_instruction_prompt, self._skills)
@@ -594,4 +596,5 @@ def _read_skill_resource(self, skill_name: str, resource_name: str) -> str:
             logger.exception("Failed to read resource '%s' from skill '%s'", resource_name, skill_name)
             return f"Error: Failed to read resource '{resource_name}' from skill '{skill_name}'."
 
+
 # endregion
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 = "1.0.0rc1"
+version = "1.0.0rc2"
 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/tests/core/test_function_invocation_logic.py b/python/packages/core/tests/core/test_function_invocation_logic.py
@@ -937,8 +937,7 @@ def ai_func(arg1: str) -> str:
 
     orphaned_calls = all_call_ids - all_result_ids
     assert not orphaned_calls, (
-        f"Response contains orphaned FunctionCallContent without matching "
-        f"FunctionResultContent: {orphaned_calls}."
+        f"Response contains orphaned FunctionCallContent without matching FunctionResultContent: {orphaned_calls}."
     )
 
 
@@ -1123,8 +1122,7 @@ def browser_snapshot(url: str) -> str:
 
     orphaned_calls = all_call_ids - all_result_ids
     assert not orphaned_calls, (
-        f"Response contains orphaned function calls {orphaned_calls}. "
-        f"This would cause API errors on the next call."
+        f"Response contains orphaned function calls {orphaned_calls}. This would cause API errors on the next call."
     )
 
 

diff --git a/python/packages/core/tests/core/test_skills.py b/python/packages/core/tests/core/test_skills.py
@@ -38,6 +38,7 @@ def _symlinks_supported(tmp: Path) -> bool:
         test_link.unlink(missing_ok=True)
         test_target.unlink(missing_ok=True)
 
+
 # ---------------------------------------------------------------------------
 # Helpers
 # ---------------------------------------------------------------------------

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 = "1.0.0b260219"
+version = "1.0.0b260225"
 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>=1.0.0rc1",
+    "agent-framework-core>=1.0.0rc2",
     "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 = "1.0.0b260219"
+version = "1.0.0b260225"
 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>=1.0.0rc1",
+    "agent-framework-core>=1.0.0rc2",
     "fastapi>=0.104.0",
     "uvicorn[standard]>=0.24.0",
     "python-dotenv>=1.0.0",