microsoft · moonbox3 · Feb 13, 2026 · Feb 12, 2026 · Feb 12, 2026
diff --git a/python/CHANGELOG.md b/python/CHANGELOG.md
@@ -7,6 +7,29 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.0b260212] - 2026-02-12
+
+### Added
+
+- **agent-framework-core**: Allow `AzureOpenAIResponsesClient` creation with Foundry project endpoint ([#3814](https://github.com/microsoft/agent-framework/pull/3814))
+
+### Changed
+
+- **agent-framework-core**: [BREAKING] Wire context provider pipeline, remove old types, update all consumers ([#3850](https://github.com/microsoft/agent-framework/pull/3850))
+- **agent-framework-core**: [BREAKING] Checkpoint refactor: encode/decode, checkpoint format, etc ([#3744](https://github.com/microsoft/agent-framework/pull/3744))
+- **agent-framework-core**: [BREAKING] Replace `Hosted*Tool` classes with tool methods ([#3634](https://github.com/microsoft/agent-framework/pull/3634))
+- **agent-framework-core**: Replace Pydantic Settings with `TypedDict` + `load_settings()` ([#3843](https://github.com/microsoft/agent-framework/pull/3843))
+- **agent-framework-core**: Centralize tool result parsing in `FunctionTool.invoke()` ([#3854](https://github.com/microsoft/agent-framework/pull/3854))
+- **samples**: Restructure Python samples into progressive 01-05 layout ([#3862](https://github.com/microsoft/agent-framework/pull/3862))
+- **samples**: Adopt `AzureOpenAIResponsesClient`, reorganize orchestration examples, and fix workflow/orchestration bugs ([#3873](https://github.com/microsoft/agent-framework/pull/3873))
+
+### Fixed
+
+- **agent-framework-core**: Fix non-ascii chars in span attributes ([#3894](https://github.com/microsoft/agent-framework/pull/3894))
+- **agent-framework-core**: Fix streamed workflow agent continuation context by finalizing `AgentExecutor` streams ([#3882](https://github.com/microsoft/agent-framework/pull/3882))
+- **agent-framework-ag-ui**: Fix `Workflow.as_agent()` streaming regression ([#3875](https://github.com/microsoft/agent-framework/pull/3875))
+- **agent-framework-declarative**: Fix declarative package powerfx import crash and `response_format` kwarg error ([#3841](https://github.com/microsoft/agent-framework/pull/3841))
+
 ## [1.0.0b260210] - 2026-02-10
 
 ### Added
@@ -622,7 +645,8 @@ 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-1.0.0b260210...HEAD
+[Unreleased]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b260212...HEAD
+[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
 [1.0.0b260130]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b260128...python-1.0.0b260130
 [1.0.0b260128]: https://github.com/microsoft/agent-framework/compare/python-1.0.0b260127...python-1.0.0b260128

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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+  "agent-framework-core>=1.0.0b260212",
 ]
 
 [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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "mem0ai>=1.0.0",
 ]
 

diff --git 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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
     "ollama >= 0.5.3",
 ]
 

diff --git 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 = "1.0.0b260210"
+version = "1.0.0b260212"
 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>=1.0.0b260210",
+    "agent-framework-core>=1.0.0b260212",
 ]
 
 [tool.uv]