v0.3 dev releases (#26096)

branch for cutting dev releases

---------

Co-authored-by: Chester Curme <chester.curme@gmail.com>
Co-authored-by: Erick Friis <erick@langchain.dev>

libs/core/poetry.lock

@@ -1182,7 +1182,7 @@ develop = true
 
 [package.dependencies]
 httpx = "^0.27.0"
-langchain-core = "^0.3.0.dev"
+langchain-core = ">=0.3.0.dev1"
 pytest = ">=7,<9"
 syrupy = "^4"
 
@@ -1192,7 +1192,7 @@ url = "../standard-tests"
 
 [[package]]
 name = "langchain-text-splitters"
-version = "0.2.4"
+version = "0.3.0.dev1"
 description = "LangChain text splitting utilities"
 optional = false
 python-versions = ">=3.9,<4.0"

libs/core/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "langchain-core"
-version = "0.3.0.dev1"
+version = "0.3.0.dev2"
 description = "Building applications with LLMs through composability"
 authors = []
 license = "MIT"
@@ -12,7 +12,6 @@ readme = "README.md"
 repository = "https://github.com/langchain-ai/langchain"
 
 [tool.mypy]
-disallow_untyped_defs = "True"
 exclude = [
     "notebooks",
     "examples",
@@ -20,6 +19,8 @@ exclude = [
     "langchain_core/pydantic",
     "tests/unit_tests/utils/test_function_calling.py",
 ]
+"disallow_untyped_defs" = "True"
+
 [[tool.mypy.overrides]]
 module = ["numpy", "pytest"]
 ignore_missing_imports = true