"useAnyExisting" ignored with default terminal, allowHeadless, and globalSummon #20969

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opened 2026-01-31 07:29:16 +00:00 by claunia · 2 comments
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Originally created by @JVimes on GitHub (Dec 9, 2023).

Windows Terminal version

1.19.3172.0

Windows build number

Version 22H2 (OS Build 19045.3758)

Steps to reproduce

  1. Make Windows Terminal the default terminal for the OS.
  2. Add these to default config:
    "compatibility.allowHeadless": true,
    "windowingBehavior": "useAnyExisting",
    "actions": 
    [
        {
            "command": 
            {
                "action": "globalSummon"
            },
            "keys": "ctrl+`"
        },
  1. Sign out of Windows and sign back in
  2. Launch an instance of Windows Terminal
  3. Use the global summon keys, Ctrl+`

Expected Behavior

Global summon summons/hides the existing instance.

Actual Behavior

A new terminal window appears for each press of global summon.

Originally created by @JVimes on GitHub (Dec 9, 2023). ### Windows Terminal version 1.19.3172.0 ### Windows build number Version 22H2 (OS Build 19045.3758) ### Steps to reproduce 1. Make Windows Terminal the default terminal for the OS. 1. Add these to default config: ```json "compatibility.allowHeadless": true, "windowingBehavior": "useAnyExisting", "actions": [ { "command": { "action": "globalSummon" }, "keys": "ctrl+`" }, ``` 2. Sign out of Windows and sign back in 3. Launch an instance of Windows Terminal 4. Use the global summon keys, <kbd>Ctrl+`</kbd> ### Expected Behavior Global summon summons/hides the existing instance. ### Actual Behavior A new terminal window appears for each press of global summon.
claunia added the Issue-BugPriority-3Product-TerminalArea-Remoting labels 2026-01-31 07:29:16 +00:00
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Owner

@zadjii-msft commented on GitHub (Dec 13, 2023):

thoughts from triage:

Do you have both Terminal Stable and Terminal Preview enabled (there's one where wt.exe points at the wrong thing)

Are you running as admin?

When you're launching the terminal, are you launching cmd.exe (and letting the default terminal functionality open the Terminal), or the Terminal directly?

@zadjii-msft commented on GitHub (Dec 13, 2023): thoughts from triage: Do you have both Terminal Stable and Terminal Preview enabled (there's one where `wt.exe` points at the wrong thing) Are you running as admin? When you're launching the terminal, are you launching cmd.exe (and letting the default terminal functionality open the Terminal), or the Terminal directly?
Author
Owner

@JVimes commented on GitHub (Dec 13, 2023):

Thank you. Only Preview is installed, not running as admin, and initial instance was launched from taskbar button.

Are you on Win 11? I'm still on 10.

@JVimes commented on GitHub (Dec 13, 2023): Thank you. Only Preview is installed, not running as admin, and initial instance was launched from taskbar button. Are you on Win 11? I'm still on 10.
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Reference: starred/terminal#20969