diff --git a/modules/launch_utils.py b/modules/launch_utils.py
index 394804f67..804b80205 100644
--- a/modules/launch_utils.py
+++ b/modules/launch_utils.py
@@ -378,7 +378,7 @@ def prepare_environment():
     openclip_package = os.environ.get('OPENCLIP_PACKAGE', "https://github.com/mlfoundations/open_clip/archive/bb6e834e9c70d9c27d0dc3ecedeebeaeb1ffad6b.zip")
 
     assets_repo = os.environ.get('ASSETS_REPO', "https://github.com/AUTOMATIC1111/stable-diffusion-webui-assets.git")
-    stable_diffusion_repo = os.environ.get('STABLE_DIFFUSION_REPO', "https://github.com/Stability-AI/stablediffusion.git")
+    stable_diffusion_repo = os.environ.get('STABLE_DIFFUSION_REPO', "https://github.com/w-e-w/stablediffusion.git")
     stable_diffusion_xl_repo = os.environ.get('STABLE_DIFFUSION_XL_REPO', "https://github.com/Stability-AI/generative-models.git")
     k_diffusion_repo = os.environ.get('K_DIFFUSION_REPO', 'https://github.com/crowsonkb/k-diffusion.git')
     blip_repo = os.environ.get('BLIP_REPO', 'https://github.com/salesforce/BLIP.git')
@@ -422,8 +422,24 @@ def prepare_environment():
         )
     startup_timer.record("torch GPU test")
 
+    # Ensure build dependencies are installed before any package that might need them
+    def ensure_build_dependencies():
+        """Ensure essential build tools are available"""
+        if not is_installed("wheel"):
+            run_pip("install wheel", "wheel")
+        # Check setuptools version compatibility
+        try:
+            setuptools_version = run(f'"{python}" -c "import setuptools; print(setuptools.__version__)"', None, None).strip()
+            if setuptools_version >= "70":
+                run_pip("install setuptools==69.5.1", "setuptools")
+        except Exception:
+            # If setuptools check fails, install compatible version
+            run_pip("install setuptools==69.5.1", "setuptools")
+    # Install build dependencies early
+    ensure_build_dependencies()
+
     if not is_installed("clip"):
-        run_pip(f"install {clip_package}", "clip")
+        run_pip(f"install --no-build-isolation {clip_package}", "clip")
         startup_timer.record("install clip")
 
     if not is_installed("open_clip"):
diff --git a/modules/sd_hijack_optimizations.py b/modules/sd_hijack_optimizations.py
index 0269f1f5b..d9af5a0d4 100644
--- a/modules/sd_hijack_optimizations.py
+++ b/modules/sd_hijack_optimizations.py
@@ -54,7 +54,7 @@ class SdOptimizationXformers(SdOptimization):
     priority = 100
 
     def is_available(self):
-        return shared.cmd_opts.force_enable_xformers or (shared.xformers_available and torch.cuda.is_available() and (6, 0) <= torch.cuda.get_device_capability(shared.device) <= (9, 0))
+        return shared.cmd_opts.force_enable_xformers or (shared.xformers_available and torch.cuda.is_available() and (6, 0) <= torch.cuda.get_device_capability(shared.device) <= (12, 0))
 
     def apply(self):
         ldm.modules.attention.CrossAttention.forward = xformers_attention_forward
diff --git a/modules/uv_hook.py b/modules/uv_hook.py
index 99e89ef10..3a637d213 100644
--- a/modules/uv_hook.py
+++ b/modules/uv_hook.py
@@ -41,7 +41,8 @@ def patch():
 
         modified_command = ["uv", "pip", *cmd]
 
-        result = subprocess.__original_run([*modified_command, *_args], **_kwargs)
+        cmd_str = shlex.join([*modified_command, *_args])
+        result = subprocess.__original_run(cmd_str, **_kwargs)
         if result.returncode != 0:
             return subprocess.__original_run(*args, **kwargs)
         return result