diff --git a/extensions-builtin/SwinIR/scripts/swinir_model.py b/extensions-builtin/SwinIR/scripts/swinir_model.py
index 9a74b2538..e8783bca1 100644
--- a/extensions-builtin/SwinIR/scripts/swinir_model.py
+++ b/extensions-builtin/SwinIR/scripts/swinir_model.py
@@ -8,7 +8,7 @@ from basicsr.utils.download_util import load_file_from_url
 from tqdm import tqdm
 
 from modules import modelloader, devices, script_callbacks, shared
-from modules.shared import cmd_opts, opts
+from modules.shared import cmd_opts, opts, state
 from swinir_model_arch import SwinIR as net
 from swinir_model_arch_v2 import Swin2SR as net2
 from modules.upscaler import Upscaler, UpscalerData
@@ -145,7 +145,13 @@ def inference(img, model, tile, tile_overlap, window_size, scale):
 
     with tqdm(total=len(h_idx_list) * len(w_idx_list), desc="SwinIR tiles") as pbar:
         for h_idx in h_idx_list:
+            if state.interrupted or state.skipped:
+                break
+
             for w_idx in w_idx_list:
+                if state.interrupted or state.skipped:
+                    break
+                
                 in_patch = img[..., h_idx: h_idx + tile, w_idx: w_idx + tile]
                 out_patch = model(in_patch)
                 out_patch_mask = torch.ones_like(out_patch)
diff --git a/launch.py b/launch.py
index fe1794de4..b618a0736 100644
--- a/launch.py
+++ b/launch.py
@@ -248,7 +248,7 @@ def prepare_environment():
                 if not is_installed("xformers"):
                     exit(0)
         elif platform.system() == "Linux":
-            run_pip("install xformers", "xformers")
+            run_pip("install xformers==0.0.16rc425", "xformers")
 
     if not is_installed("pyngrok") and ngrok:
         run_pip("install pyngrok", "ngrok")
diff --git a/modules/api/api.py b/modules/api/api.py
index b1dd14cc6..25c65e57e 100644
--- a/modules/api/api.py
+++ b/modules/api/api.py
@@ -53,7 +53,11 @@ def setUpscalers(req: dict):
 def decode_base64_to_image(encoding):
     if encoding.startswith("data:image/"):
         encoding = encoding.split(";")[1].split(",")[1]
-    return Image.open(BytesIO(base64.b64decode(encoding)))
+    try:
+        image = Image.open(BytesIO(base64.b64decode(encoding)))
+        return image
+    except Exception as err:
+        raise HTTPException(status_code=500, detail="Invalid encoded image")
 
 def encode_pil_to_base64(image):
     with io.BytesIO() as output_bytes:
@@ -371,13 +375,16 @@ class Api:
         return [{"name": sampler[0], "aliases":sampler[2], "options":sampler[3]} for sampler in sd_samplers.all_samplers]
 
     def get_upscalers(self):
-        upscalers = []
-
-        for upscaler in shared.sd_upscalers:
-            u = upscaler.scaler
-            upscalers.append({"name":u.name, "model_name":u.model_name, "model_path":u.model_path, "model_url":u.model_url})
-
-        return upscalers
+        return [
+            {
+                "name": upscaler.name,
+                "model_name": upscaler.scaler.model_name,
+                "model_path": upscaler.data_path,
+                "model_url": None,
+                "scale": upscaler.scale,
+            }
+            for upscaler in shared.sd_upscalers
+        ]
 
     def get_sd_models(self):
         return [{"title": x.title, "model_name": x.model_name, "hash": x.shorthash, "sha256": x.sha256, "filename": x.filename, "config": find_checkpoint_config(x)} for x in checkpoints_list.values()]
diff --git a/modules/api/models.py b/modules/api/models.py
index 1eb1fcf18..805bd8f71 100644
--- a/modules/api/models.py
+++ b/modules/api/models.py
@@ -220,6 +220,7 @@ class UpscalerItem(BaseModel):
     model_name: Optional[str] = Field(title="Model Name")
     model_path: Optional[str] = Field(title="Path")
     model_url: Optional[str] = Field(title="URL")
+    scale: Optional[float] = Field(title="Scale")
 
 class SDModelItem(BaseModel):
     title: str = Field(title="Title")