Animated KSampler Preview Broken For Wan 2.2 in v0.24.1
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Description
### Custom Node Testing
- [x] I have tried disabling custom nodes and the issue persists (see [how to disable custom nodes](https://docs.comfy.org/troubleshooting/custom-node-issues#step-1%3A-test-with-all-custom-nodes-disabled) if you need help)
### Expected Behavior
Should show preview of the video in sampler
### Actual Behavior
Error comes up as "Exception: Unsupported preview type for VHS animated previews". TAESD have never worked so i have used latent2rgb but now after comfyui update that doesnt work either.
### Steps to Reproduce
By starting the run
### Debug Logs
```powershell
C:\Users\ronih\Downloads\ComfyUI_windows_portable>.\python_embeded\python.exe -s ComfyUI\main.py --windows-standalone-build --bf16-vae
[START] Security scan
[DONE] Security scan
## ComfyUI-Manager: installing dependencies done.
** ComfyUI startup time: 2026-06-13 09:31:45.975
** Platform: Windows
** Python version: 3.12.10 (tags/v3.12.10:0cc8128, Apr 8 2025, 12:21:36) [MSC v.1943 64 bit (AMD64)]
** Python executable: C:\Users\ronih\Downloads\ComfyUI_windows_portable\python_embeded\python.exe
** ComfyUI Path: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI
** ComfyUI Base Folder Path: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI
** User directory: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\user
** ComfyUI-Manager config path: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\user\__manager\config.ini
** Log path: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\user\comfyui.log
[INFO]
Prestartup times for custom nodes:
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\rgthree-comfy
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui-easy-use
[INFO] 2.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-Manager
[INFO]
C:\Users\ronih\Downloads\ComfyUI_windows_portable\python_embeded\Lib\site-packages\torch\cuda\__init__.py:63: FutureWarning: The pynvml package is deprecated. Please install nvidia-ml-py instead. If you did not install pynvml directly, please report this to the maintainers of the package that installed pynvml for you.
import pynvml # type: ignore[import]
[WARNING] WARNING: You need pytorch with cu130 or higher to use optimized CUDA operations.
[INFO] Found comfy_kitchen backend cuda: {'available': True, 'disabled': True, 'unavailable_reason': None, 'capabilities': ['apply_rope', 'apply_rope1', 'apply_rope_split_half', 'apply_rope_split_half1', 'dequantize_nvfp4', 'dequantize_per_tensor_fp8', 'gemv_awq_w4a16', 'quantize_mxfp8', 'quantize_nvfp4', 'quantize_per_tensor_fp8', 'quantize_svdquant_w4a4', 'scaled_mm_svdquant_w4a4', 'stochastic_rounding_fp8']}
[INFO] Found comfy_kitchen backend eager: {'available': True, 'disabled': False, 'unavailable_reason': None, 'capabilities': ['apply_rope', 'apply_rope1', 'apply_rope_split_half', 'apply_rope_split_half1', 'dequantize_mxfp8', 'dequantize_nvfp4', 'dequantize_per_tensor_fp8', 'gemv_awq_w4a16', 'quantize_mxfp8', 'quantize_nvfp4', 'quantize_per_tensor_fp8', 'quantize_svdquant_w4a4', 'scaled_mm_mxfp8', 'scaled_mm_nvfp4', 'scaled_mm_svdquant_w4a4', 'stochastic_rounding_fp8']}
[INFO] Found comfy_kitchen backend triton: {'available': True, 'disabled': True, 'unavailable_reason': None, 'capabilities': ['apply_rope', 'apply_rope1', 'apply_rope_split_half', 'apply_rope_split_half1', 'dequantize_nvfp4', 'dequantize_per_tensor_fp8', 'quantize_mxfp8', 'quantize_nvfp4', 'quantize_per_tensor_fp8']}
[INFO] Checkpoint files will always be loaded safely.
[INFO] Total VRAM 12282 MB, total RAM 32530 MB
[INFO] pytorch version: 2.9.1+cu128
[INFO] Set vram state to: NORMAL_VRAM
[INFO] Device: cuda:0 NVIDIA GeForce RTX 4070 : cudaMallocAsync
[INFO] Using async weight offloading with 2 streams
[INFO] Enabled pinned memory 13011.0
[INFO] working around nvidia conv3d memory bug.
[INFO] Using pytorch attention
aimdo: src-win/cuda-detour.c:38:INFO:aimdo_setup_hooks: installing 6 hooks
aimdo: src-win/cuda-detour.c:28:DEBUG:install_hook_entries: hooks successfully installed
aimdo: src-win/shmem-detect.c:80:INFO:comfy-aimdo WDDM adapter match: NVIDIA GeForce RTX 4070 runtime_luid=00000000:0000d67d dxgi_luid=00000000:0000d67d
aimdo: src/control.c:241:INFO:comfy-aimdo inited for GPU: NVIDIA GeForce RTX 4070 (VRAM: 12281 MB)
[INFO] DynamicVRAM support detected and enabled
[INFO] Python version: 3.12.10 (tags/v3.12.10:0cc8128, Apr 8 2025, 12:21:36) [MSC v.1943 64 bit (AMD64)]
[INFO] ComfyUI version: 0.24.1
[INFO] comfy-aimdo version: 0.4.8
[INFO] comfy-kitchen version: 0.2.10
[INFO] comfyui-frontend-package version: 1.44.19
[INFO] comfyui-workflow-templates version: 0.9.98
[INFO] comfyui-embedded-docs version: 0.5.2
[INFO] comfy-kitchen version: 0.2.10
[INFO] comfy-aimdo version: 0.4.8
[INFO] [Prompt Server] web root: C:\Users\ronih\Downloads\ComfyUI_windows_portable\python_embeded\Lib\site-packages\comfyui_frontend_package\static
[INFO] Asset seeder disabled
[C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfy-mtb] | INFO -> loaded 103 nodes successfuly
[C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfy-mtb] | INFO -> Some nodes (5) could not be loaded. This can be ignored, but go to http://127.0.0.1:8188/mtb if you want more information.
[Crystools INFO] Crystools version: 1.27.4
[Crystools INFO] Platform release: 11
[Crystools INFO] JETSON: Not detected.
[Crystools INFO] CPU: 13th Gen Intel(R) Core(TM) i7-13700K - Arch: AMD64 - OS: Windows 11
[Crystools INFO] pynvml (NVIDIA) initialized.
[Crystools INFO] GPU/s:
[Crystools INFO] 0) NVIDIA GeForce RTX 4070
[Crystools INFO] NVIDIA Driver: 610.47
[ComfyUI-Easy-Use] server: v1.3.6 Loaded
[ComfyUI-Easy-Use] web root: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui-easy-use\web_version/v2 Loaded
[INFO] ComfyUI-GGUF: Allowing full torch compile
[INFO] ### Loading: ComfyUI-Impact-Pack (V8.28.3)
[INFO] [Impact Pack] Wildcard total size (0.00 MB) is within cache limit (50.00 MB). Using full cache mode.
[INFO] [Impact Pack] Wildcards loading done.
[INFO] ### Loading: ComfyUI-Inspire-Pack (V1.23)
[INFO] ### Loading: ComfyUI-Manager (V3.40)
[INFO] [ComfyUI-Manager] network_mode: public
[INFO] [ComfyUI-Manager] ComfyUI per-queue preview override detected (PR #11261). Manager's preview method feature is disabled. Use ComfyUI's --preview-method CLI option or 'Settings > Execution > Live preview method'.
[INFO] ### ComfyUI Revision: 1096 [ba9ffa0a] *DETACHED | Released on '2026-06-04'
[INFO] [ComfyUI-Manager] default cache updated: https://raw.githubusercontent.com/ltdrdata/ComfyUI-Manager/main/alter-list.json
[INFO] [ComfyUI-Manager] default cache updated: https://raw.githubusercontent.com/ltdrdata/ComfyUI-Manager/main/github-stats.json
[INFO] [ComfyUI-Manager] default cache updated: https://raw.githubusercontent.com/ltdrdata/ComfyUI-Manager/main/custom-node-list.json
[INFO] [ComfyUI-Manager] default cache updated: https://raw.githubusercontent.com/ltdrdata/ComfyUI-Manager/main/model-list.json
[INFO] [ComfyUI-Manager] default cache updated: https://raw.githubusercontent.com/ltdrdata/ComfyUI-Manager/main/extension-node-map.json
[QwenVL Debug] SAGE_ATTENTION_AVAILABLE: True
[QwenVL Debug] CUDA capability: 8.9
[QwenVL Debug] Final ATTENTION_MODES: ['auto', 'sage', 'flash_attention_2', 'sdpa']
[QwenVL] NOTE: SageAttention option shown for testing. Install with: pip install sageattention
Error loading module AILab_QwenVL_GGUF: No module named 'llama_cpp'
Error loading module AILab_QwenVL_GGUF_PromptEnhancer: No module named 'llama_cpp'
[WARNING] Traceback (most recent call last):
File "C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\nodes.py", line 2212, in load_custom_node
module_spec.loader.exec_module(module)
File "", line 999, in exec_module
File "", line 488, in _call_with_frames_removed
File "C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-Upscaler-Tensorrt\__init__.py", line 1, in
from .nodes.load_tensorrt_model import LoadUpscalerTensorrtModel
File "C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-Upscaler-Tensorrt\nodes\load_tensorrt_model.py", line 3, in
from ..trt_utilities import Engine
File "C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-Upscaler-Tensorrt\trt_utilities.py", line 40, in
import tensorrt as trt
ModuleNotFoundError: No module named 'tensorrt'
[WARNING] Cannot import C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-Upscaler-Tensorrt module for custom nodes: No module named 'tensorrt'
FETCH ComfyRegistry Data: 5/153
LOADED 6 FONTS
[INFO] No OpenGL_accelerate module loaded: No module named 'OpenGL_accelerate' [ComfyAssets Selectors] Loaded..
[rgthree-comfy] Loaded 48 extraordinary nodes. 🎉
[rgthree-comfy] ComfyUI's new Node 2.0 rendering may be incompatible with some rgthree-comfy nodes and features, breaking some rendering as well as losing the ability to access a node's properties (a vital part of many nodes). It also appears to run MUCH more slowly spiking CPU usage and causing jankiness and unresponsiveness, especially with large workflows. Personally I am not planning to use the new Nodes 2.0 and, unfortunately, am not able to invest the time to investigate and overhaul rgthree-comfy where needed. If you have issues when Nodes 2.0 is enabled, I'd urge you to switch it off as well and join me in hoping ComfyUI is not planning to deprecate the existing, stable canvas rendering all together.
WAS Node Suite: OpenCV Python FFMPEG support is enabled
WAS Node Suite Warning: `ffmpeg_bin_path` is not set in `C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\was-ns\was_suite_config.json` config file. Will attempt to use system ffmpeg binaries if available.
WAS Node Suite: Finished. Loaded 220 nodes successfully.
"Art is the mirror that reflects the beauty within us." - Unknown
[INFO]
Import times for custom nodes:
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\websocket_image_save.py
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-PainterLongVideo
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-PainterI2V
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\usetaesd
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-PainterI2Vadvanced
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui-mxtoolkit
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui-find-perfect-resolution
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-WanMoeKSampler
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI_Selectors
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-GGUF
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-Simple_Readable_Metadata-SG
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-VFI
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-QwenVL-Mod
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui-frame-interpolation
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\rgthree-comfy
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-bleh
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui-kjnodes
[INFO] 0.0 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui-inspire-pack
[INFO] 0.1 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-Crystools
[INFO] 0.2 seconds (IMPORT FAILED): C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-Upscaler-Tensorrt
[INFO] 0.3 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui-impact-pack
[INFO] 0.4 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfy-mtb
[INFO] 0.4 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\ComfyUI-Manager
[INFO] 0.5 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui-videohelpersuite
[INFO] 0.8 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\was-ns
[INFO] 0.8 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui-mmaudio
[INFO] 2.6 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui_fill-nodes
[INFO] 2.6 seconds: C:\Users\ronih\Downloads\ComfyUI_windows_portable\ComfyUI\custom_nodes\comfyui-easy-use
[INFO]
[INFO] Context impl SQLiteImpl.
[INFO] Will assume non-transactional DDL.
[WARNING] No target revision found.
[INFO] Using RAM pressure cache.
[INFO] Starting server
```
### Other
_No response_
Contributor guide
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