diff --git a/python/CHANGELOG.md b/python/CHANGELOG.md
index 7ecab1b442..9bdb542519 100644
--- a/python/CHANGELOG.md
+++ b/python/CHANGELOG.md
@@ -7,9 +7,32 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.0rc4] - 2026-03-11
+
+### Added
+
+- **agent-framework-core**: Add `propagate_session` to `as_tool()` for session sharing in agent-as-tool scenarios ([#4439](https://github.com/microsoft/agent-framework/pull/4439))
+- **agent-framework-core**: Forward runtime kwargs to skill resource functions ([#4417](https://github.com/microsoft/agent-framework/pull/4417))
+- **samples**: Add A2A server sample ([#4528](https://github.com/microsoft/agent-framework/pull/4528))
+
+### Changed
+
+- **agent-framework-github-copilot**: [BREAKING] Update integration to use `ToolInvocation` and `ToolResult` types ([#4551](https://github.com/microsoft/agent-framework/pull/4551))
+- **agent-framework-azure-ai**: [BREAKING] Upgrade to `azure-ai-projects` 2.0+ ([#4536](https://github.com/microsoft/agent-framework/pull/4536))
+
 ### Fixed
 
+- **agent-framework-core**: Propagate MCP `isError` flag through the function middleware pipeline ([#4511](https://github.com/microsoft/agent-framework/pull/4511))
+- **agent-framework-core**: Fix `as_agent()` not defaulting name/description from client properties ([#4484](https://github.com/microsoft/agent-framework/pull/4484))
+- **agent-framework-core**: Exclude `conversation_id` from chat completions API options ([#4517](https://github.com/microsoft/agent-framework/pull/4517))
+- **agent-framework-core**: Fix conversation ID propagation when `chat_options` is a dict ([#4340](https://github.com/microsoft/agent-framework/pull/4340))
+- **agent-framework-core**: Auto-finalize `ResponseStream` on iteration completion ([#4478](https://github.com/microsoft/agent-framework/pull/4478))
+- **agent-framework-core**: Prevent pickle deserialization of untrusted HITL HTTP input ([#4566](https://github.com/microsoft/agent-framework/pull/4566))
+- **agent-framework-core**: Fix `executor_completed` event handling for non-copyable `raw_representation` in mixed workflows ([#4493](https://github.com/microsoft/agent-framework/pull/4493))
+- **agent-framework-core**: Fix `store=False` not overriding client default ([#4569](https://github.com/microsoft/agent-framework/pull/4569))
 - **agent-framework-redis**: Fix `RedisContextProvider` compatibility with redisvl 0.14.0 by using `AggregateHybridQuery` ([#3954](https://github.com/microsoft/agent-framework/pull/3954))
+- **samples**: Fix `chat_response_cancellation` sample to use `Message` objects ([#4532](https://github.com/microsoft/agent-framework/pull/4532))
+- **agent-framework-purview**: Fix broken link in Purview README (Microsoft 365 Dev Program URL) ([#4610](https://github.com/microsoft/agent-framework/pull/4610))
 
 ## [1.0.0rc3] - 2026-03-04
 
@@ -745,7 +768,8 @@ 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-1.0.0rc3...HEAD
+[Unreleased]: https://github.com/microsoft/agent-framework/compare/python-1.0.0rc4...HEAD
+[1.0.0rc4]: https://github.com/microsoft/agent-framework/compare/python-1.0.0rc3...python-1.0.0rc4
 [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
diff --git a/python/packages/a2a/pyproject.toml b/python/packages/a2a/pyproject.toml
index b7bfdb9275..4d015305c7 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "a2a-sdk>=0.3.5",
 ]
 
diff --git a/python/packages/ag-ui/pyproject.toml b/python/packages/ag-ui/pyproject.toml
index e41176e4c0..355405142e 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "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
index 51631bdd30..95be433e5a 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "anthropic>=0.70.0,<1",
 ]
 
diff --git a/python/packages/azure-ai-search/pyproject.toml b/python/packages/azure-ai-search/pyproject.toml
index 0827c2d816..d391de0d93 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "azure-search-documents==11.7.0b2",
 ]
 
diff --git a/python/packages/azure-ai/pyproject.toml b/python/packages/azure-ai/pyproject.toml
index 2bd51729c2..0df9533a0b 100644
--- 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 = "1.0.0rc3"
+version = "1.0.0rc4"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "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
index cae3b3168c..24ffbf8886 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "azure-cosmos>=4.9.0",
 ]
 
diff --git a/python/packages/azurefunctions/pyproject.toml b/python/packages/azurefunctions/pyproject.toml
index 0bb2ec9612..c9e7890ede 100644
--- a/python/packages/azurefunctions/pyproject.toml
+++ b/python/packages/azurefunctions/pyproject.toml
@@ -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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "agent-framework-durabletask",
     "azure-functions",
     "azure-functions-durable",
diff --git a/python/packages/bedrock/pyproject.toml b/python/packages/bedrock/pyproject.toml
index b99ecb91ff..4f1db9f4f3 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "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
index 74d7216da6..d6fa2bb382 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "openai-chatkit>=1.4.0,<2.0.0",
 ]
 
diff --git a/python/packages/claude/pyproject.toml b/python/packages/claude/pyproject.toml
index f1891586f8..2f67d8d947 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "claude-agent-sdk>=0.1.25",
 ]
 
diff --git a/python/packages/copilotstudio/pyproject.toml b/python/packages/copilotstudio/pyproject.toml
index c37fa71ecf..c6d382b923 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "microsoft-agents-copilotstudio-client>=0.3.1",
 ]
 
diff --git a/python/packages/core/pyproject.toml b/python/packages/core/pyproject.toml
index b51fb6321d..7b63f69d1e 100644
--- 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 = "1.0.0rc3"
+version = "1.0.0rc4"
 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
index 2534339ad7..c16df02fea 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "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
index a56cf1ab4f..d00ad90aba 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "fastapi>=0.104.0",
     "uvicorn[standard]>=0.24.0",
     "python-dotenv>=1.0.0",
diff --git a/python/packages/durabletask/pyproject.toml b/python/packages/durabletask/pyproject.toml
index 56493f3126..5d773bac60 100644
--- a/python/packages/durabletask/pyproject.toml
+++ b/python/packages/durabletask/pyproject.toml
@@ -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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "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
index 97dd99f1ca..444ffc1278 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "foundry-local-sdk>=0.5.1,<1",
 ]
 
diff --git a/python/packages/github_copilot/pyproject.toml b/python/packages/github_copilot/pyproject.toml
index ded7cca079..d6348ec446 100644
--- 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 = ">=3.11"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "github-copilot-sdk>=0.1.32",
 ]
 
diff --git a/python/packages/lab/pyproject.toml b/python/packages/lab/pyproject.toml
index 17650293ac..d474a3bfcb 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+  "agent-framework-core>=1.0.0rc4",
 ]
 
 [project.optional-dependencies]
diff --git a/python/packages/mem0/pyproject.toml b/python/packages/mem0/pyproject.toml
index 506c4d75b1..21ed3a8222 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "mem0ai>=1.0.0",
 ]
 
diff --git a/python/packages/ollama/pyproject.toml b/python/packages/ollama/pyproject.toml
index dd9ecaf46b..f20b25039a 100644
--- a/python/packages/ollama/pyproject.toml
+++ b/python/packages/ollama/pyproject.toml
@@ -4,7 +4,7 @@ description = "Ollama integration for Microsoft Agent Framework."
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 license-files = ["LICENSE"]
 urls.homepage = "https://learn.microsoft.com/en-us/agent-framework/"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"
@@ -23,7 +23,7 @@ classifiers = [
   "Typing :: Typed",
 ]
 dependencies = [
-    "agent-framework-core>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "ollama >= 0.5.3",
 ]
 
diff --git a/python/packages/orchestrations/pyproject.toml b/python/packages/orchestrations/pyproject.toml
index e15e02f3e3..b10872f2a8 100644
--- a/python/packages/orchestrations/pyproject.toml
+++ b/python/packages/orchestrations/pyproject.toml
@@ -4,7 +4,7 @@ description = "Orchestration patterns for Microsoft Agent Framework. Includes Se
 authors = [{ name = "Microsoft", email = "af-support@microsoft.com"}]
 readme = "README.md"
 requires-python = ">=3.10"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
 ]
 
 [tool.uv]
diff --git a/python/packages/purview/pyproject.toml b/python/packages/purview/pyproject.toml
index f30b749435..43da365ba8 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 license-files = ["LICENSE"]
 urls.homepage = "https://github.com/microsoft/agent-framework"
 urls.source = "https://github.com/microsoft/agent-framework/tree/main/python"
@@ -24,7 +24,7 @@ classifiers = [
   "Typing :: Typed",
 ]
 dependencies = [
-    "agent-framework-core>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "azure-core>=1.30.0",
     "httpx>=0.27.0",
 ]
diff --git a/python/packages/redis/pyproject.toml b/python/packages/redis/pyproject.toml
index 21aaf47865..f35567ca6c 100644
--- 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 = "1.0.0b260304"
+version = "1.0.0b260311"
 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>=1.0.0rc3",
+    "agent-framework-core>=1.0.0rc4",
     "redis>=6.4.0",
     "redisvl>=0.8.2",
     "numpy>=2.2.6"
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 9f4ca3c08c..e916373a06 100644
--- 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 = "1.0.0rc3"
+version = "1.0.0rc4"
 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]==1.0.0rc3",
+    "agent-framework-core[all]==1.0.0rc4",
 ]
 
 [dependency-groups]
diff --git a/python/uv.lock b/python/uv.lock
index 4842003720..c261d8903b 100644
--- a/python/uv.lock
+++ b/python/uv.lock
@@ -94,7 +94,7 @@ wheels = [
 
 [[package]]
 name = "agent-framework"
-version = "1.0.0rc3"
+version = "1.0.0rc4"
 source = { virtual = "." }
 dependencies = [
     { name = "agent-framework-core", extra = ["all"], marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -143,7 +143,7 @@ dev = [
 
 [[package]]
 name = "agent-framework-a2a"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/a2a" }
 dependencies = [
     { name = "a2a-sdk", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -158,7 +158,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-ag-ui"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/ag-ui" }
 dependencies = [
     { name = "ag-ui-protocol", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -186,7 +186,7 @@ provides-extras = ["dev"]
 
 [[package]]
 name = "agent-framework-anthropic"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/anthropic" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -201,7 +201,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-azure-ai"
-version = "1.0.0rc3"
+version = "1.0.0rc4"
 source = { editable = "packages/azure-ai" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -220,7 +220,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-azure-ai-search"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/azure-ai-search" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -235,7 +235,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-azure-cosmos"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/azure-cosmos" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -250,7 +250,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-azurefunctions"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/azurefunctions" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -272,7 +272,7 @@ dev = []
 
 [[package]]
 name = "agent-framework-bedrock"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/bedrock" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -289,7 +289,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-chatkit"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/chatkit" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -304,7 +304,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-claude"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/claude" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -319,7 +319,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-copilotstudio"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/copilotstudio" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -334,7 +334,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-core"
-version = "1.0.0rc3"
+version = "1.0.0rc4"
 source = { editable = "packages/core" }
 dependencies = [
     { name = "azure-ai-projects", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -414,7 +414,7 @@ provides-extras = ["all"]
 
 [[package]]
 name = "agent-framework-declarative"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/declarative" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -439,7 +439,7 @@ dev = [{ name = "types-pyyaml" }]
 
 [[package]]
 name = "agent-framework-devui"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/devui" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -475,7 +475,7 @@ provides-extras = ["dev", "all"]
 
 [[package]]
 name = "agent-framework-durabletask"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/durabletask" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -502,7 +502,7 @@ dev = [{ name = "types-python-dateutil", specifier = ">=2.9.0" }]
 
 [[package]]
 name = "agent-framework-foundry-local"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/foundry_local" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -517,7 +517,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-github-copilot"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/github_copilot" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -532,7 +532,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-lab"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/lab" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -610,7 +610,7 @@ dev = [
 
 [[package]]
 name = "agent-framework-mem0"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/mem0" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -625,7 +625,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-ollama"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/ollama" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -640,7 +640,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-orchestrations"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/orchestrations" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -651,7 +651,7 @@ requires-dist = [{ name = "agent-framework-core", editable = "packages/core" }]
 
 [[package]]
 name = "agent-framework-purview"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/purview" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -668,7 +668,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-redis"
-version = "1.0.0b260304"
+version = "1.0.0b260311"
 source = { editable = "packages/redis" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -1346,7 +1346,7 @@ name = "clr-loader"
 version = "0.2.10"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "cffi", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
+    { name = "cffi", marker = "(python_full_version < '3.14' and sys_platform == 'darwin') or (python_full_version < '3.14' and sys_platform == 'linux') or (python_full_version < '3.14' and sys_platform == 'win32')" },
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