[Deps] Bump FI to 0.6.12 and cutedsl to 4.5.2 (#26854)

python/pyproject.toml

@@ -28,8 +28,8 @@ dependencies = [
   "distro",
   "einops",
   "fastapi",
-  "flashinfer_python[cu13]==0.6.11.post1", # keep it aligned with jit-cache version in Dockerfile
-  "flashinfer_cubin==0.6.11.post1",
+  "flashinfer_python[cu13]==0.6.12", # keep it aligned with jit-cache version in Dockerfile
+  "flashinfer_cubin==0.6.12",
   "gguf",
   "interegular",
   "llguidance>=0.7.11,<0.8.0",
@@ -38,7 +38,7 @@ dependencies = [
   "ninja",
   "easydict",  # Required by remote model code (e.g. DeepSeek-OCR) loaded via trust_remote_code; validated by transformers 5.4+ check_imports
   "numpy",
-  "nvidia-cutlass-dsl[cu13]==4.5.1",
+  "nvidia-cutlass-dsl[cu13]==4.5.2",
   "nvidia-ml-py",
   "openai-harmony==0.0.4",
   "openai==2.6.1",

python/sglang/srt/entrypoints/engine.py

@@ -1281,7 +1281,7 @@ def _set_envs_and_config(server_args: ServerArgs):
         if server_args.attention_backend == "flashinfer":
             assert_pkg_version(
                 "flashinfer_python",
-                "0.6.11.post1",
+                "0.6.12",
                 "Please uninstall the old version and "
                 "reinstall the latest version by following the instructions "
                 "at https://docs.flashinfer.ai/installation.html.",

python/sglang/srt/utils/common.py

@@ -1159,7 +1159,7 @@ def check_pkg_version_at_least(pkg: str, min_version: str) -> bool:
 
     Args:
         pkg: Package name (distribution name, e.g., "flashinfer-python")
-        min_version: Minimum version required (e.g., "0.6.11.post1")
+        min_version: Minimum version required (e.g., "0.6.12")
 
     Returns:
         True if package is installed and version >= min_version, False otherwise