tab row is 100% transparent when enable Mica in Windows 11 21H2 (22000.1936) #19963

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opened 2026-01-31 06:58:47 +00:00 by claunia · 6 comments
Owner

Originally created by @scott-xu on GitHub (May 25, 2023).

Windows Terminal version

1.17.11391

Windows build number

10.0.22000.1936

Other Software

No response

Steps to reproduce

create a custom them and enable Mica:

        {
            "name": "Mica",
            "tab": 
            {
                "background": null,
                "showCloseButton": "always",
                "unfocusedBackground": null
            },
            "tabRow": 
            {
                "background": "#00000000",
                "unfocusedBackground": null
            },
            "window": 
            {
                "applicationTheme": "system",
                "useMica": true
            }
        }

Expected Behavior

Show Mica effect in tab row

Actual Behavior

The tab row is 100% transparent

Originally created by @scott-xu on GitHub (May 25, 2023). ### Windows Terminal version 1.17.11391 ### Windows build number 10.0.22000.1936 ### Other Software _No response_ ### Steps to reproduce create a custom them and enable Mica: ``` { "name": "Mica", "tab": { "background": null, "showCloseButton": "always", "unfocusedBackground": null }, "tabRow": { "background": "#00000000", "unfocusedBackground": null }, "window": { "applicationTheme": "system", "useMica": true } } ``` ### Expected Behavior Show Mica effect in tab row ### Actual Behavior The tab row is 100% transparent
claunia added the Issue-BugNeeds-Tag-FixNeeds-ReproProduct-TerminalArea-Theming labels 2026-01-31 06:58:47 +00:00
Author
Owner

@DHowett commented on GitHub (May 25, 2023):

Mica is not a supported background type in Windows 10. @zadjii-msft, did we miss a version check?

Sorry @scott-xu, I just can't read this morning! 😅

@DHowett commented on GitHub (May 25, 2023): ~~Mica is not a supported background type in Windows 10. @zadjii-msft, did we miss a version check?~~ Sorry @scott-xu, I just can't read this morning! 😅
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Owner

@zadjii-msft commented on GitHub (May 25, 2023):

Hmm. I wonder if there's anything that can prevent Mica from being enabled somehow? Like, at the OS level?

Presumably Mica is working in calc.exe?

@zadjii-msft commented on GitHub (May 25, 2023): Hmm. I wonder if there's anything that can prevent Mica from being enabled somehow? Like, at the OS level? Presumably Mica is working in `calc.exe`?
Author
Owner

@scott-xu commented on GitHub (May 26, 2023):

Yes, Mica is working in calc.exe

When WT is selected:
image
When calc.exe is selected:
image

@scott-xu commented on GitHub (May 26, 2023): Yes, Mica is working in calc.exe When WT is selected: ![image](https://github.com/microsoft/terminal/assets/1913505/1aef9fec-5616-4704-b227-67e12689f1c9) When calc.exe is selected: ![image](https://github.com/microsoft/terminal/assets/1913505/fba184f8-2b43-46a6-b4a0-2e22a25d755b)
Author
Owner

@zadjii-msft commented on GitHub (Aug 7, 2023):

Actually, can you file feedback using the Feedback Hub, on the category "Developer Platform > UI Frameworks and controls (XAML)"? I'm not sure there's much else we'll be able to do on our side to investigate this, but they might have more complete diagnostics to share. If you share the aka.ms link that the "Share" button generates in this thread, I can make sure it gets promoted internally and follow it.

Thanks!

@zadjii-msft commented on GitHub (Aug 7, 2023): Actually, can you file feedback using the Feedback Hub, on the category "Developer Platform > UI Frameworks and controls (XAML)"? I'm not sure there's much else we'll be able to do on our side to investigate this, but they might have more complete diagnostics to share. If you share the aka.ms link that the "Share" button generates in this thread, I can make sure it gets promoted internally and follow it. Thanks!
Author
Owner

@scott-xu commented on GitHub (Aug 7, 2023):

Unfortunately, I have upgraded the OS to Windows 11 22H2 and the issue disappeared.

@scott-xu commented on GitHub (Aug 7, 2023): Unfortunately, I have upgraded the OS to Windows 11 22H2 and the issue disappeared.
Author
Owner

@zadjii-msft commented on GitHub (Aug 7, 2023):

Hey that's better than nothing! Thanks for following up ☺️

@zadjii-msft commented on GitHub (Aug 7, 2023): Hey that's better than nothing! Thanks for following up ☺️
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Reference: starred/terminal#19963