From 832fc02330c1843b9817b8ee90b061d2298a5911 Mon Sep 17 00:00:00 2001
From: Michael Kupchick <michael@lightricks.com>
Date: Sun, 30 Mar 2025 03:03:02 +0300
Subject: [PATCH 1/3] ltxv: fix preprocessing exception when compression is 0.
 (#7431)

---
 comfy_extras/nodes_lt.py | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/comfy_extras/nodes_lt.py b/comfy_extras/nodes_lt.py
index fdc6c7c13..525889200 100644
--- a/comfy_extras/nodes_lt.py
+++ b/comfy_extras/nodes_lt.py
@@ -446,10 +446,9 @@ class LTXVPreprocess:
     CATEGORY = "image"
 
     def preprocess(self, image, img_compression):
-        if img_compression > 0:
-            output_images = []
-            for i in range(image.shape[0]):
-                output_images.append(preprocess(image[i], img_compression))
+        output_images = []
+        for i in range(image.shape[0]):
+            output_images.append(preprocess(image[i], img_compression))
         return (torch.stack(output_images),)
 
 

From a3100c8452862e914996648e0fbc56098ab26b60 Mon Sep 17 00:00:00 2001
From: comfyanonymous <comfyanonymous@protonmail.com>
Date: Sat, 29 Mar 2025 20:11:43 -0400
Subject: [PATCH 2/3] Remove useless code.

---
 comfy/model_base.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/comfy/model_base.py b/comfy/model_base.py
index f55cbe183..6bc627ae3 100644
--- a/comfy/model_base.py
+++ b/comfy/model_base.py
@@ -1000,7 +1000,6 @@ class WAN21(BaseModel):
         device = kwargs["device"]
 
         if image is None:
-            image = torch.zeros_like(noise)
             shape_image = list(noise.shape)
             shape_image[1] = extra_channels
             image = torch.zeros(shape_image, dtype=noise.dtype, layout=noise.layout, device=noise.device)

From 0b4584c7413f1c3f6a34875a790c0381b3510447 Mon Sep 17 00:00:00 2001
From: comfyanonymous <comfyanonymous@protonmail.com>
Date: Sun, 30 Mar 2025 21:47:05 -0400
Subject: [PATCH 3/3] Fix latent composite node not working when source has
 alpha.

---
 comfy_extras/nodes_mask.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/comfy_extras/nodes_mask.py b/comfy_extras/nodes_mask.py
index 63fd13b9a..2dd826b2e 100644
--- a/comfy_extras/nodes_mask.py
+++ b/comfy_extras/nodes_mask.py
@@ -87,6 +87,8 @@ class ImageCompositeMasked:
     CATEGORY = "image"
 
     def composite(self, destination, source, x, y, resize_source, mask = None):
+        if destination.shape[-1] < source.shape[-1]:
+            source = source[...,:destination.shape[-1]]
         destination = destination.clone().movedim(-1, 1)
         output = composite(destination, source.movedim(-1, 1), x, y, mask, 1, resize_source).movedim(1, -1)
         return (output,)