release(core): 1.6.6 (#40906)

libs/core/langchain_core/version.py

@@ -1,3 +1,3 @@
 """Version information for `langchain-core`."""
 
-VERSION = "1.6.5"
+VERSION = "1.6.6"

libs/core/pyproject.toml

@@ -21,7 +21,7 @@ classifiers = [
     "Topic :: Software Development :: Libraries :: Python Modules",
 ]
 
-version = "1.6.5"
+version = "1.6.6"
 requires-python = ">=3.10.0,<4.0.0"
 dependencies = [
     "langsmith>=0.3.45,<1.0.0",

libs/core/uv.lock

@@ -1073,7 +1073,7 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.6.5"
+version = "1.6.6"
 source = { editable = "." }
 dependencies = [
     { name = "httpx" },