docs: Fix docs version for 0.18.0 release

Signed-off-by: Charlie Truong <chtruong@nvidia.com>

Author: chtruong814

docs/conf.py

@@ -27,7 +27,7 @@
 project = "Megatron Core"
 copyright = "2026, NVIDIA Corporation"
 author = "NVIDIA Corporation"
-release = "nightly"
+release = "0.18.0"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration

docs/project.json

@@ -1,2 +1,2 @@
-{"name": "megatron-lm", "version": "nightly"}
+{"name": "megatron-lm", "version": "0.18.0"}
 

docs/versions1.json

@@ -5,10 +5,15 @@
         "url": "https://docs.nvidia.com/megatron-core/developer-guide/nightly/"
     },
     {
-        "name": "0.17.0 (latest)",
-        "version": "0.17.0",
+        "name": "0.18.0 (latest)",
+        "version": "0.18.0",
         "url": "https://docs.nvidia.com/megatron-core/developer-guide/latest/"
     },
+    {
+        "name": "0.17.0",
+        "version": "0.17.0",
+        "url": "https://docs.nvidia.com/megatron-core/developer-guide/0.17.0/"
+    },
     {
         "name": "0.16.0",
         "version": "0.16.0",