release(langgraph): 1.2.12

libs/checkpoint-conformance/uv.lock

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 [[package]]

libs/checkpoint-sqlite/uv.lock

@@ -26,16 +26,16 @@ wheels = [
 
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-version = "4.14.2"
+version = "4.12.1"
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 [[package]]

libs/checkpoint/uv.lock

@@ -19,16 +19,16 @@ wheels = [
 
 [[package]]
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-version = "4.14.2"
+version = "4.12.1"
 source = { registry = "https://pypi.org/simple" }
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 [[package]]

libs/cli/tests/unit_tests/conftest.py

@@ -12,5 +12,5 @@ def disable_analytics_env() -> None:
     if "LANGGRAPH_CLI_NO_ANALYTICS" in os.environ:
         print("⚠️ LANGGRAPH_CLI_NO_ANALYTICS is set. Overriding it for the test.")
 
-    with patch.dict(os.environ, {"LANGGRAPH_CLI_NO_ANALYTICS": "1"}):
+    with patch.dict(os.environ, {"LANGGRAPH_CLI_NO_ANALYTICS": "0"}):
         yield

libs/cli/uv.lock

@@ -19,16 +19,16 @@ wheels = [
 
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+version = "4.13.0"
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 [[package]]

libs/langgraph/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "langgraph"
-version = "1.2.11"
+version = "1.2.12"
 description = "Building stateful, multi-actor applications with LLMs"
 authors = []
 requires-python = ">=3.10"

libs/langgraph/uv.lock

@@ -1437,7 +1437,7 @@ wheels = [
 
 [[package]]
 name = "langgraph"
-version = "1.2.11"
+version = "1.2.12"
 source = { editable = "." }
 dependencies = [
     { name = "langchain-core" },

libs/prebuilt/uv.lock

@@ -286,7 +286,7 @@ wheels = [
 
 [[package]]
 name = "langgraph"
-version = "1.2.11"
+version = "1.2.12"
 source = { editable = "../langgraph" }
 dependencies = [
     { name = "langchain-core" },

libs/sdk-py/tests/streaming/test_sync_extensions_projection.py

@@ -29,10 +29,7 @@ def test_sync_extension_projection_yields_matching_custom_payloads():
         {"name": "progress", "step": 1},
         {"name": "progress", "step": 2},
     ]
-    assert any(
-        "custom:progress" in body.get("channels", [])
-        for body in fake.stream_request_bodies
-    )
+    assert "custom:progress" in fake.stream_request_bodies[-1]["channels"]
 
 
 def test_sync_extension_projection_supports_namespace_scope_on_subgraph_handle():

libs/sdk-py/uv.lock

@@ -17,16 +17,16 @@ wheels = [
 
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+version = "4.12.1"
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     { name = "idna" },
-    { name = "typing-extensions", version = "4.16.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.15'" },
+    { name = "typing-extensions", marker = "python_full_version < '3.13'" },
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 [[package]]
@@ -181,7 +181,7 @@ name = "exceptiongroup"
 version = "1.3.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "typing-extensions", version = "4.16.0", source = { registry = "https://pypi.org/simple" } },
+    { name = "typing-extensions" },
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@@ -277,8 +277,7 @@ dependencies = [
     { name = "pydantic" },
     { name = "pyyaml" },
     { name = "tenacity" },
-    { name = "typing-extensions", version = "4.15.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.15'" },
-    { name = "typing-extensions", version = "4.16.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.15'" },
+    { name = "typing-extensions" },
     { name = "uuid-utils" },
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@@ -291,8 +290,7 @@ name = "langchain-protocol"
 version = "0.0.19"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "typing-extensions", version = "4.15.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.15'" },
-    { name = "typing-extensions", version = "4.16.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.15'" },
+    { name = "typing-extensions" },
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 wheels = [
@@ -301,7 +299,7 @@ wheels = [
 
 [[package]]
 name = "langgraph"
-version = "1.2.11"
+version = "1.2.12"
 source = { editable = "../langgraph" }
 dependencies = [
     { name = "langchain-core" },
@@ -728,8 +726,7 @@ source = { registry = "https://pypi.org/simple" }
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     { name = "annotated-types" },
     { name = "pydantic-core" },
-    { name = "typing-extensions", version = "4.15.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.15'" },
-    { name = "typing-extensions", version = "4.16.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.15'" },
+    { name = "typing-extensions" },
     { name = "typing-inspection" },
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@@ -742,8 +739,7 @@ name = "pydantic-core"
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 source = { registry = "https://pypi.org/simple" }
 dependencies = [
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-    { name = "typing-extensions", version = "4.16.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.15'" },
+    { name = "typing-extensions" },
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@@ -888,7 +884,7 @@ source = { registry = "https://pypi.org/simple" }
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     { name = "pytest" },
-    { name = "typing-extensions", version = "4.16.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.13'" },
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@@ -1041,7 +1037,7 @@ version = "1.6.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio" },
-    { name = "typing-extensions", version = "4.16.0", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.13'" },
+    { name = "typing-extensions", marker = "python_full_version < '3.13'" },
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