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Firefox drop-down menu (from menu bar) wrongly size on scaled diplay

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  • 1 has this problem
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  • Last reply by Zeppe

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My windows 10 laptop setup is an external 1920x1080 at 100% zoom and the laptop screen set-up as secondary, at 2560x1440 scaled at 150%.

Firefox (79.0 (64-bit)) works fine on the primary (unscaled) display, but on the scaled display all the drop-down menus (extension, but also hamburger from firefox) are too small, and the contents are either not entirely visible (typically for the extensions) or need a scrollbar (like the main firefox menu).

I tried to run firefox with extensions disabled but the problem persists.

I think this is a Firefox bug. Is it true and if so, how do I report it?

My windows 10 laptop setup is an external 1920x1080 at 100% zoom and the laptop screen set-up as secondary, at 2560x1440 scaled at 150%. Firefox (79.0 (64-bit)) works fine on the primary (unscaled) display, but on the scaled display all the drop-down menus (extension, but also hamburger from firefox) are too small, and the contents are either not entirely visible (typically for the extensions) or need a scrollbar (like the main firefox menu). I tried to run firefox with extensions disabled but the problem persists. I think this is a Firefox bug. Is it true and if so, how do I report it?
Attached screenshots

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Hi, you can file a bug on https://bugzilla.mozilla.org/enter_bug.cgi

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