From f7d4ffe2f26d2d178771affa9e3d8f3db20797c9 Mon Sep 17 00:00:00 2001
From: Vladimir Mandic <mandic00@live.com>
Date: Tue, 21 Oct 2025 10:52:00 -0400
Subject: [PATCH] fix wan22-5b vae decode

Signed-off-by: Vladimir Mandic <mandic00@live.com>
---
 CHANGELOG.md                            | 1 +
 installer.py                            | 2 +-
 modules/video_models/video_load.py      | 2 ++
 modules/video_models/video_overrides.py | 4 ++++
 4 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 838d66eab..d489ff6e0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@
   - restore orig init image for each batch sequence  
   - fix modernui hints layout  
   - fix `wan-2.2-a14b` stage selection  
+  - fix `wan-2.2-5b` vae decode  
 
 ## Update for 2025-10-18
 
diff --git a/installer.py b/installer.py
index f9a2954b2..7520cb9af 100644
--- a/installer.py
+++ b/installer.py
@@ -608,7 +608,7 @@ def check_diffusers():
     if args.skip_git:
         install('diffusers')
         return
-    sha = '23ebbb4bc81a17ebea17cb7cb94f301199e49a7f' # diffusers commit hash
+    sha = 'b3e56e71fb7c73601851bb83e7583f113f563d26' # diffusers commit hash
     # if args.use_rocm or args.use_zluda or args.use_directml:
     #     sha = '043ab2520f6a19fce78e6e060a68dbc947edb9f9' # lock diffusers versions for now
     pkg = pkg_resources.working_set.by_key.get('diffusers', None)
diff --git a/modules/video_models/video_load.py b/modules/video_models/video_load.py
index 43da69265..999c0c590 100644
--- a/modules/video_models/video_load.py
+++ b/modules/video_models/video_load.py
@@ -11,6 +11,8 @@ def load_model(selected: models_def.Model):
     if selected is None or selected.te_cls is None or selected.dit_cls is None:
         return ''
     global loaded_model # pylint: disable=global-statement
+    if not shared.sd_loaded:
+        loaded_model = None
     if loaded_model == selected.name:
         return ''
     sd_models.unload_model_weights()
diff --git a/modules/video_models/video_overrides.py b/modules/video_models/video_overrides.py
index 055a92ca8..2a93adbf2 100644
--- a/modules/video_models/video_overrides.py
+++ b/modules/video_models/video_overrides.py
@@ -61,3 +61,7 @@ def set_overrides(p: processing.StableDiffusionProcessingVideo, selected: Model)
     if 'WanVACEPipeline' in cls:
         if (getattr(p, 'init_images', None) is not None) and (len(p.init_images) > 0):
             p.task_args['reference_images'] = p.init_images
+    # WAN 2.2-5B
+    if 'WAN 2.2 5B' in selected.name:
+        print('HERE')
+        shared.sd_model.vae.disable_tiling()