feat(preview): add per-queue live preview method override #11261
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- Add set_preview_method() to override live preview method per queue item - Read extra_data.preview_method from /prompt request - Support values: taesd, latent2rgb, none, auto, default - "default" or unset uses server's CLI --preview-method setting - Add 44 tests (37 unit + 7 E2E)
ltdrdata
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Kosinkadink,
comfyanonymous and
guill
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jtydhr88
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Dec 12, 2025
## Summary Add frontend setting to override live preview method per prompt execution. ## Changes - **What**: New setting `Comfy.Execution.PreviewMethod` allows users to override preview method (default/none/auto/latent2rgb/taesd) from frontend. Applied to Queue Prompt, Queue Front, Run Selected Nodes, and Auto Queue. - **Dependencies**: Requires backend support from Comfy-Org/ComfyUI#11261 ## Review Focus - `'default'` option does not send `preview_method` to backend (uses server CLI setting) - Legacy UI intentionally not modified (deprecated, maintains backward compatibility) - `versionAdded: '1.35.3'` assigned tentatively; adjust as needed for actual release version ┆Issue is synchronized with this [Notion page](https://www.notion.so/PR-7385-feat-add-live-preview-method-setting-for-prompt-execution-2c66d73d365081759c9cebaec29f451c) by [Unito](https://www.unito.io)
christian-byrne
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Dec 15, 2025
Add frontend setting to override live preview method per prompt execution. - **What**: New setting `Comfy.Execution.PreviewMethod` allows users to override preview method (default/none/auto/latent2rgb/taesd) from frontend. Applied to Queue Prompt, Queue Front, Run Selected Nodes, and Auto Queue. - **Dependencies**: Requires backend support from Comfy-Org/ComfyUI#11261 - `'default'` option does not send `preview_method` to backend (uses server CLI setting) - Legacy UI intentionally not modified (deprecated, maintains backward compatibility) - `versionAdded: '1.35.3'` assigned tentatively; adjust as needed for actual release version ┆Issue is synchronized with this [Notion page](https://www.notion.so/PR-7385-feat-add-live-preview-method-setting-for-prompt-execution-2c66d73d365081759c9cebaec29f451c) by [Unito](https://www.unito.io)
Member
|
Looked through the code + ran locally, seems fine. We will not be supporting multiple workflows running on the same machine at the same time anytime soon, so the fact this changes the preview state globally should be okay. |
Kosinkadink
approved these changes
Dec 15, 2025
|
no more preview in the ksampler with qwen-image-edit |
Enferlain
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Dec 18, 2025
…#7385) ## Summary Add frontend setting to override live preview method per prompt execution. ## Changes - **What**: New setting `Comfy.Execution.PreviewMethod` allows users to override preview method (default/none/auto/latent2rgb/taesd) from frontend. Applied to Queue Prompt, Queue Front, Run Selected Nodes, and Auto Queue. - **Dependencies**: Requires backend support from Comfy-Org/ComfyUI#11261 ## Review Focus - `'default'` option does not send `preview_method` to backend (uses server CLI setting) - Legacy UI intentionally not modified (deprecated, maintains backward compatibility) - `versionAdded: '1.35.3'` assigned tentatively; adjust as needed for actual release version ┆Issue is synchronized with this [Notion page](https://www.notion.so/PR-7385-feat-add-live-preview-method-setting-for-prompt-execution-2c66d73d365081759c9cebaec29f451c) by [Unito](https://www.unito.io)
Yourz
pushed a commit
to Comfy-Org/ComfyUI_frontend
that referenced
this pull request
Dec 24, 2025
## Summary Add frontend setting to override live preview method per prompt execution. ## Changes - **What**: New setting `Comfy.Execution.PreviewMethod` allows users to override preview method (default/none/auto/latent2rgb/taesd) from frontend. Applied to Queue Prompt, Queue Front, Run Selected Nodes, and Auto Queue. - **Dependencies**: Requires backend support from Comfy-Org/ComfyUI#11261 ## Review Focus - `'default'` option does not send `preview_method` to backend (uses server CLI setting) - Legacy UI intentionally not modified (deprecated, maintains backward compatibility) - `versionAdded: '1.35.3'` assigned tentatively; adjust as needed for actual release version ┆Issue is synchronized with this [Notion page](https://www.notion.so/PR-7385-feat-add-live-preview-method-setting-for-prompt-execution-2c66d73d365081759c9cebaec29f451c) by [Unito](https://www.unito.io)
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lrivera
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to Research-Warrant/ComfyUI
that referenced
this pull request
Jan 8, 2026
…11261) - Add set_preview_method() to override live preview method per queue item - Read extra_data.preview_method from /prompt request - Support values: taesd, latent2rgb, none, auto, default - "default" or unset uses server's CLI --preview-method setting - Add 44 tests (37 unit + 7 E2E)
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This is a PR intended to replace the runtime preview method adjustment feature that was previously included in ComfyUI-Manager.
Instead of using a shared backend setting, the frontend settings are now applied per-prompt, allowing the configuration to be adjusted dynamically.
Because the settings are prompt-dependent, configurations that are already in the queue cannot be changed.
This PR replaces following PR:
#6269