Interesting. I don't see a difference in scaling at all. My Wayland environment scales to 1.5. But both Firefox instances (fractional-scale.enabled true and false) look identical.
Bug 1849109 Comment 34 Edit History
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Ah, that's true. One interesting observation though: I don't see a difference in scaling at all. My Wayland environment scales to 1.5. But both Firefox instances (fractional-scale.enabled true and false) look identical.