diff --git a/python/CHANGELOG.md b/python/CHANGELOG.md
index 5d41d5ddf6..6ff393bf66 100644
--- a/python/CHANGELOG.md
+++ b/python/CHANGELOG.md
@@ -7,6 +7,36 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.0b251120] - 2025-11-20
+
+### Added
+
+- **agent-framework-core**: Introducing support for declarative YAML spec ([#2002](https://github.com/microsoft/agent-framework/pull/2002))
+- **agent-framework-core**: Use AI Foundry evaluators for self-reflection ([#2250](https://github.com/microsoft/agent-framework/pull/2250))
+- **agent-framework-core**: Propagate `as_tool()` kwargs and add runtime context + middleware sample ([#2311](https://github.com/microsoft/agent-framework/pull/2311))
+- **agent-framework-anthropic**: Anthropic Foundry integration ([#2302](https://github.com/microsoft/agent-framework/pull/2302))
+- **samples**: M365 Agent SDK Hosting sample ([#2292](https://github.com/microsoft/agent-framework/pull/2292))
+- **samples**: Foundry Sample for A2A + SharePoint Samples ([#2313](https://github.com/microsoft/agent-framework/pull/2313))
+
+### Changed
+
+- **agent-framework-azurefunctions**: [BREAKING] Schema changes for Azure Functions package ([#2151](https://github.com/microsoft/agent-framework/pull/2151))
+- **agent-framework-core**: Move evaluation folders under `evaluations` ([#2355](https://github.com/microsoft/agent-framework/pull/2355))
+- **agent-framework-core**: Move red teaming files to their own folder ([#2333](https://github.com/microsoft/agent-framework/pull/2333))
+- **agent-framework-core**: "fix all" task now single source of truth ([#2303](https://github.com/microsoft/agent-framework/pull/2303))
+- **agent-framework-core**: Improve and clean up exception handling ([#2337](https://github.com/microsoft/agent-framework/pull/2337), [#2319](https://github.com/microsoft/agent-framework/pull/2319))
+- **agent-framework-core**: Clean up imports ([#2318](https://github.com/microsoft/agent-framework/pull/2318))
+
+### Fixed
+
+- **agent-framework-azure-ai**: Fix for Azure AI client ([#2358](https://github.com/microsoft/agent-framework/pull/2358))
+- **agent-framework-core**: Fix tool execution bleed-over in aiohttp/Bot Framework scenarios ([#2314](https://github.com/microsoft/agent-framework/pull/2314))
+- **agent-framework-core**: `@ai_function` now correctly handles `self` parameter ([#2266](https://github.com/microsoft/agent-framework/pull/2266))
+- **agent-framework-core**: Resolve string annotations in `FunctionExecutor` ([#2308](https://github.com/microsoft/agent-framework/pull/2308))
+- **agent-framework-core**: Langfuse observability captures ChatAgent system instructions ([#2316](https://github.com/microsoft/agent-framework/pull/2316))
+- **agent-framework-core**: Incomplete URL substring sanitization fix ([#2274](https://github.com/microsoft/agent-framework/pull/2274))
+- **observability**: Handle datetime serialization in tool results ([#2248](https://github.com/microsoft/agent-framework/pull/2248))
+
 ## [1.0.0b251117] - 2025-11-17
 
 ### Fixed
@@ -260,7 +290,9 @@ 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-1.0.0b251114...HEAD
+[Unreleased]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b251120...HEAD
+[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
 [1.0.0b251112.post1]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b251112...python-1.0.0b251112.post1
 [1.0.0b251112]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b251111...python-1.0.0b251112
diff --git a/python/packages/a2a/pyproject.toml b/python/packages/a2a/pyproject.toml
index d186fc0f7b..75d8301e6d 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 = "1.0.0b251114"
+version = "1.0.0b251120"
 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
index 26208aef04..38db36ab2a 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 = "1.0.0b251117"
+version = "1.0.0b251120"
 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
index cad575a287..4911c08b2c 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 = "1.0.0b251114"
+version = "1.0.0b251120"
 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
index 642b2c009b..bd6ea23250 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 = "1.0.0b251114"
+version = "1.0.0b251120"
 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/azurefunctions/pyproject.toml b/python/packages/azurefunctions/pyproject.toml
index 052431916f..ecc4d8688e 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 = "1.0.0b251114"
+version = "1.0.0b251120"
 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
index c743c81789..1e2e7bdbd8 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 = "1.0.0b251114"
+version = "1.0.0b251120"
 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
index c689a3b0d1..9251f04066 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 = "1.0.0b251114"
+version = "1.0.0b251120"
 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
index 0559208dfa..0b6b7c16fb 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 = "1.0.0b251114"
+version = "1.0.0b251120"
 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 b5efc00880..9a7d7bc050 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 = "1.0.0b251028"
+version = "1.0.0b251120"
 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
index f261dbef60..5045563971 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 = "1.0.0b251114"
+version = "1.0.0b251120"
 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
index 7043ec1d87..97aa77bba7 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 = "1.0.0b251114"
+version = "1.0.0b251120"
 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
index 2f9f91cad3..4b49229741 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 = "1.0.0b251114"
+version = "1.0.0b251120"
 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
index 4566b6633e..804920b22b 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 = "1.0.0b251114"
+version = "1.0.0b251120"
 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
index 0a57bd8b22..372a0585c1 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 = "1.0.0b251114"
+version = "1.0.0b251120"
 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
index 4fcfe56843..d55e939c40 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 = "1.0.0b251114"
+version = "1.0.0b251120"
 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/uv.lock b/python/uv.lock
index aa678108db..89127de6ec 100644
--- a/python/uv.lock
+++ b/python/uv.lock
@@ -84,7 +84,7 @@ wheels = [
 
 [[package]]
 name = "agent-framework"
-version = "1.0.0b251114"
+version = "1.0.0b251120"
 source = { virtual = "." }
 dependencies = [
     { name = "agent-framework-core", extra = ["all"], marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -151,7 +151,7 @@ docs = [
 
 [[package]]
 name = "agent-framework-a2a"
-version = "1.0.0b251114"
+version = "1.0.0b251120"
 source = { editable = "packages/a2a" }
 dependencies = [
     { name = "a2a-sdk", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -166,7 +166,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-ag-ui"
-version = "1.0.0b251117"
+version = "1.0.0b251120"
 source = { editable = "packages/ag-ui" }
 dependencies = [
     { name = "ag-ui-protocol", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -211,7 +211,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-anthropic"
-version = "1.0.0b251114"
+version = "1.0.0b251120"
 source = { editable = "packages/anthropic" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -226,7 +226,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-azure-ai"
-version = "1.0.0b251114"
+version = "1.0.0b251120"
 source = { editable = "packages/azure-ai" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -245,7 +245,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-azurefunctions"
-version = "1.0.0b251114"
+version = "1.0.0b251120"
 source = { editable = "packages/azurefunctions" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -270,7 +270,7 @@ dev = [{ name = "types-python-dateutil", specifier = ">=2.9.0" }]
 
 [[package]]
 name = "agent-framework-chatkit"
-version = "1.0.0b251114"
+version = "1.0.0b251120"
 source = { editable = "packages/chatkit" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -285,7 +285,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-copilotstudio"
-version = "1.0.0b251114"
+version = "1.0.0b251120"
 source = { editable = "packages/copilotstudio" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -300,7 +300,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-core"
-version = "1.0.0b251114"
+version = "1.0.0b251120"
 source = { editable = "packages/core" }
 dependencies = [
     { name = "azure-identity", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -366,7 +366,7 @@ provides-extras = ["all"]
 
 [[package]]
 name = "agent-framework-declarative"
-version = "1.0.0b251028"
+version = "1.0.0b251120"
 source = { editable = "packages/declarative" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -391,7 +391,7 @@ dev = [{ name = "types-pyyaml" }]
 
 [[package]]
 name = "agent-framework-devui"
-version = "1.0.0b251114"
+version = "1.0.0b251120"
 source = { editable = "packages/devui" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -425,7 +425,7 @@ provides-extras = ["dev", "all"]
 
 [[package]]
 name = "agent-framework-lab"
-version = "1.0.0b251114"
+version = "1.0.0b251120"
 source = { editable = "packages/lab" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -516,7 +516,7 @@ dev = [
 
 [[package]]
 name = "agent-framework-mem0"
-version = "1.0.0b251114"
+version = "1.0.0b251120"
 source = { editable = "packages/mem0" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -531,7 +531,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-purview"
-version = "1.0.0b251114"
+version = "1.0.0b251120"
 source = { editable = "packages/purview" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },
@@ -548,7 +548,7 @@ requires-dist = [
 
 [[package]]
 name = "agent-framework-redis"
-version = "1.0.0b251114"
+version = "1.0.0b251120"
 source = { editable = "packages/redis" }
 dependencies = [
     { name = "agent-framework-core", marker = "sys_platform == 'darwin' or sys_platform == 'linux' or sys_platform == 'win32'" },