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Tab-bar Buttons are white, and invisible in Windows7

Firefox Oars
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Hale_JP
Hale_JP

New Firefox Quantum has introduced new design and new UI bugs.

While the bug with disappearing text is sporadic and font-scaling related, there is a PERSISTENT UI BUG, now traveling from version to version. Its name is:

"Invisible TAB-bar buttons"

They are simply white, with white background. This includes tab scroll arros, tab"+" button and recent list button, by default.

It happens on EVERY WIndows7-based PC with EVERY Firefox installation in default configuration (no tweaks, no themes).

I wonder, how the developers should hate Windows7, which is still installed on more than 30% of Win-PCs worldwide.


P.S. double-posted this because the support server was not responding.

New Firefox Quantum has introduced new design and new UI bugs. While the bug with disappearing text is sporadic and font-scaling related, there is a PERSISTENT UI BUG, now traveling from version to version. Its name is: "Invisible TAB-bar buttons" They are simply white, with white background. This includes tab scroll arros, tab"+" button and recent list button, by default. It happens on EVERY WIndows7-based PC with EVERY Firefox installation in default configuration (no tweaks, no themes). I wonder, how the developers should hate Windows7, which is still installed on more than 30% of Win-PCs worldwide. P.S. double-posted this because the support server was not responding.
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Shadow110
Shadow110

duplicate of https://support.mozilla.org/en-US/questions/1220555 where this will continue.