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Missing close button

Bruno Paz

Hello.

My Firefox browser is missing the close button from the top bar. Minimize and Maximize buttons are present.

This is happening on Fedora 42 With Gnome.

I believe I don´t have any custom theme or user css or extension that could cause this.

Also because, it seems to be hapenning not only in Firefox itself, but also in Firefox based browsers, like Tor Browser.

Anyone has any idea what is hapenning?

Thank you.

Hello. My Firefox browser is missing the close button from the top bar. Minimize and Maximize buttons are present. This is happening on Fedora 42 With Gnome. I believe I don´t have any custom theme or user css or extension that could cause this. Also because, it seems to be hapenning not only in Firefox itself, but also in Firefox based browsers, like Tor Browser. Anyone has any idea what is hapenning? Thank you.
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Выбранное решение

Writing this post was Rubber duck debugging situation lol.

I found the issue.

the gnome setting org.gnome.desktop.wm.preferences button-layout' have "maximze" duplicated option for some reason - 'minimize, maximize, maximize, close'

Removing the duplicated maximize fixed the issue.