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Windows appear in Window menu but are otherwise invisible (Mac)

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  • 최종 답변자: Eric F

Eric F
Eric F
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I have the same issue that was reported here: https://support.mozilla.org/en-US/questions/1358340 and here: https://support.mozilla.org/en-US/questions/1409149

After a Firefox restart for a version upgrade, there are 8 windows listed in the Windows menu, but only 4 are visible. Trying to select one of the invisible windows from the window menu, or cycling through open windows with cmd-` displays nothing. I tried checking other desktops to see if the windows had landed there, but they're not. The missing windows don't show up in Mission Control.

I also tried exiting FIrefox, deleting the xulstore.json file, and restarting. This had no effect.

I'm on a 2021 M1 Max MacBook Pro Firefox 117.0.1 Mac OS 13.5.2 (22G91)

Any ideas? This is a weird one.

Thanks!

I have the same issue that was reported here: https://support.mozilla.org/en-US/questions/1358340 and here: https://support.mozilla.org/en-US/questions/1409149 After a Firefox restart for a version upgrade, there are 8 windows listed in the Windows menu, but only 4 are visible. Trying to select one of the invisible windows from the window menu, or cycling through open windows with cmd-` displays nothing. I tried checking other desktops to see if the windows had landed there, but they're not. The missing windows don't show up in Mission Control. I also tried exiting FIrefox, deleting the '''xulstore.json''' file, and restarting. This had no effect. I'm on a 2021 M1 Max MacBook Pro Firefox 117.0.1 Mac OS 13.5.2 (22G91) Any ideas? This is a weird one. Thanks!

모든 댓글 (6)

cor-el
cor-el
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Did you check the sessionstore.jsonlz4 file that Firefox creates when you Quit the browser with the scrounger tool?

Do those hidden windows have different k/v value pairs compared with windows that show ?

Eric F
Eric F 질문자
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Thanks for the suggestion...

Yikes... what a mess of JSON. I have no love for JSON, and this is a mess to parse by hand. The Scrounger page breaks it down nicely, doesn't seem to notice any issues (don't know if it was designed to).

I can't really tell where a new window begins in that file, so it's impossible for me to compare key/value pairs.

Any hints on how to simplify the task?

cor-el
cor-el
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You can open a JSON file in a Firefox tab and let the JSON viewer parse the file.

Eric F
Eric F 질문자
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So, the JSON viewer is awesome, thanks!

According to the scrounger, window 1 is visible, window 2 is not. The JSON viewer shows very little difference, at least at the top level. Dimensions and location look valid. The ones that are different are "selected", "workspaceID" and "zIndex". I don't know if that's significant. Screen shot of the results for those windows is attached. I haven't drilled down further, since I don't know which way to go.

Any thoughts?

Thanks!

cor-el
cor-el
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I notice that the windows have workspaceID:"6" and each have a specific zIndex what makes the window with the higher zIndex places on top of the other with a lower zIndex. With a workspaceID not being "0" like I see ,this might mean that the window is not in the current workspace if it isn't visible.

Eric F
Eric F 질문자
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Does "workspace" correspond to Mac "Desktops"? I checked all the desktops and opened more, making a total of 6. They are all empty except Desktop 1. If I click-and-hold FIrefox in the dock and select "Show all Windows", it only displays four windows, when there are 8 listed in the Firefox Window menu.

Is there something else I can look it related to the workspaceID?

Thanks!