release: langchain v1.2.15 (#36496)

sydney-runkle · web-flow · commit dd637313c92d · 2026-04-03T10:22:54.000-04:00
diff --git a/libs/langchain_v1/langchain/__init__.py b/libs/langchain_v1/langchain/__init__.py
@@ -1,3 +1,3 @@
 """Main entrypoint into LangChain."""
 
-__version__ = "1.2.14"
+__version__ = "1.2.15"
diff --git a/libs/langchain_v1/pyproject.toml b/libs/langchain_v1/pyproject.toml
@@ -21,11 +21,11 @@ classifiers = [
     "Topic :: Software Development :: Libraries :: Python Modules",
 ]
 
-version = "1.2.14"
+version = "1.2.15"
 requires-python = ">=3.10.0,<4.0.0"
 dependencies = [
     "langchain-core>=1.2.10,<2.0.0",
-    "langgraph>=1.1.1,<1.2.0",
+    "langgraph>=1.1.5,<1.2.0",
     "pydantic>=2.7.4,<3.0.0",
 ]
 
diff --git a/libs/langchain_v1/uv.lock b/libs/langchain_v1/uv.lock

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,3 @@`
`1`	`1`	`"""Main entrypoint into LangChain."""`
`2`	`2`
`3`		`-__version__ = "1.2.14"`
	`3`	`+__version__ = "1.2.15"`
Original file line number	Diff line number	Diff line change
`@@ -21,11 +21,11 @@ classifiers = [`
`21`	`21`	`"Topic :: Software Development :: Libraries :: Python Modules",`
`22`	`22`	`]`
`23`	`23`
`24`		`-version = "1.2.14"`
	`24`	`+version = "1.2.15"`
`25`	`25`	`requires-python = ">=3.10.0,<4.0.0"`
`26`	`26`	`dependencies = [`
`27`	`27`	`"langchain-core>=1.2.10,<2.0.0",`
`28`		`- "langgraph>=1.1.1,<1.2.0",`
	`28`	`+ "langgraph>=1.1.5,<1.2.0",`
`29`	`29`	`"pydantic>=2.7.4,<3.0.0",`
`30`	`30`	`]`
`31`	`31`