Comfy-Org/ComfyUI_frontend

Bug: "Focus Mode(F)" Front-end performance is abnormal

Open

#5,658 opened on Sep 19, 2025

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 (1 comment) (1 reaction) (1 assignee)TypeScript (610 forks)github user discovery
area:uihelp wantedverified bug

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Description

Prerequisites

  • I am running the latest version of ComfyUI
  • I have searched existing issues to make sure this isn't a duplicate
  • I have tested with all custom nodes disabled (see how)

What happened?

In version 1.25, focus mode works correctly when the gallery and command line windows are open. In version 1.26, the gallery and command line windows cannot be popped back.

Not sure if it's a problem on my machine.

Video

https://github.com/user-attachments/assets/5bcf3970-17e7-41f4-b499-1240dc367f06

version: ComfyUI_frontend v1.25.11

https://github.com/user-attachments/assets/8cd66cff-f223-4cc0-8cb1-b92654e99b24

version: ComfyUI_frontend v1.26.11

Steps to Reproduce

  1. comfy launch , Front-end version: 1.26.11
  2. Predd keyboard "F" or UI button "💡Focus mode(f)"

How is this affecting you?

Crashes ComfyUI completely

ComfyUI Frontend Version

1.26.11

Browser

Chrome/Chromium

Console Errors

Logs

Additional Context

No response

┆Issue is synchronized with this Notion page by Unito

Contributor guide

Research direction
Inspect the focus mode logic in the frontend code, compare v1.25 vs v1.26 changes, and trace the event handler for the 'F' key or button click.
Tech stack
typescript
Domain
frontend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitTypeScript
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75