VSCode中Ctrl+Tab突然失效，配置正常且Ctrl+Shift+Tab可用求排查

Since you’ve already confirmed your keybinding entry exists, let’s dive into the most likely issues and fixes:

• Extension Conflicts
  This is the #1 cause for this specific problem. Tons of extensions—from tab management tools to language-specific plugins—can quietly hijack Ctrl+Tab for their own features.
  Here’s how to test: Open the command palette (Ctrl+Shift+P), run Extensions: Disable All Installed Extensions, restart VSCode, and try Ctrl+Tab again. If it starts working, re-enable extensions one at a time until you spot the one causing the conflict.

• VSCode Internal Keybinding Conflicts
  Even if you’ve set your preferred Ctrl+Tab binding, another command (built-in or custom) might be using the same shortcut with higher priority.
  Open the Keyboard Shortcuts panel (Ctrl+K Ctrl+S), search for ctrl+tab, and look for any other entries using this key combination. Conflicts will show a warning icon—right-click those entries to reassign or remove their shortcuts.

• Operating System Global Shortcuts
  Your OS might be grabbing Ctrl+Tab before VSCode gets it.

  • Windows: Check tools like PowerToys, your keyboard’s driver software, or system settings for any global shortcuts using Ctrl+Tab.
  • macOS: If you’re using a Windows keyboard layout, make sure Mission Control or other system services aren’t mapped to Ctrl+Tab (macOS uses Cmd+Tab by default, but custom layouts can change this).

• Broken Keybinding Configuration
  Double-check your keybindings.json (open via Ctrl+Shift+P → Preferences: Open Keyboard Shortcuts (JSON)). A tiny syntax error (like a missing comma) or overly restrictive when condition can make your entry fail.
  The standard working entry for cycling forward through editors looks like this:

  {
    "key": "ctrl+tab",
    "command": "workbench.action.nextEditor",
    "when": "!editorFocus || editorFocus && readOnly"
  }
  

  Compare this to your entry—if your when condition limits the shortcut to only specific contexts (e.g., only when a certain panel is open), that could explain why it’s not working. Also, check your Ctrl+Shift+Tab entry—if its when condition is more permissive, that’s why it still works.

• Workspace-Level Overrides
  VSCode lets workspaces have their own keybindings that override your global settings. Check if there’s a .vscode/keybindings.json file in your current project folder—this might be overriding your Ctrl+Tab setup.

内容的提问来源于stack exchange，提问作者Bassie