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## Summary When the browser loses focus (e.g., switching apps, showing the dock), touchend events may not fire, causing touchCount to remain non-zero. This blocks all subsequent single-finger interactions since processMouseDown returns early when touchCount > 0. Added visibilitychange and touchcancel event listeners to reset touch state when the page becomes hidden or touch is interrupted by the system. fix https://github.com/Comfy-Org/ComfyUI_frontend/issues/6721 ┆Issue is synchronized with this [Notion page](https://www.notion.so/PR-7134-fix-reset-touch-state-when-iPad-Safari-loses-focus-2be6d73d3650819abc7cf9c602909228) by [Unito](https://www.unito.io)
Core Extensions
This directory contains the core extensions that provide essential functionality to the ComfyUI frontend.
📚 Full Documentation
The complete documentation for core extensions has been moved to:
Quick Reference
This directory contains built-in extensions that ship with ComfyUI, including:
- Image Processing: maskeditor, uploadImage, saveImageExtraOutput, clipspace
- Graph Management: groupNode, groupNodeManage, groupOptions, rerouteNode, noteNode
- Input Handling: widgetInputs, uploadAudio, webcamCapture, simpleTouchSupport
- UI Enhancements: contextMenuFilter, previewAny, nodeTemplates
- Text Processing: dynamicPrompts, editAttention
- Platform Support: electronAdapter
and more.
See Also
- Extension Development Guide - How to develop extensions
- Extension Documentation Index - Overview of all extension docs
- ComfyExtension Interface - TypeScript interface for extensions