I'm looking to switch from Chrome to Firefox for a myriad of reasons. I've been able to find feature and extension parity for just about everything. However, there is one issue that is holding me up and is a major deal-breaker. Compared to Chrome, text looks darker and less sharp, and certain images are pixelated. Below is a screenshot from Facebook on Chrome and Firefox. Default text size/settings on both browsers, at 100% zoom.

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Chrome text and images looks clear and crisp on the left, Firefox text and images looks darker and more pixelated on the right.

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System information below:

OS: macOS Catalina 10.15 (latest public release)
Specs: MacBook Pro 13-inch, 2016, 3.3GHz Dual-Core i7, 16GB RAM, Intel Iris 550 1536MB
Display: 13.3 inch 2560x1600 retina display
Firefox: 70.01.1 (latest stable); ALL ADDONS/EXTENSIONS DISABLED
Chrome: 78.0.3904.87 (latest stable)

I have tried all suggested solutions in the following links, including changing font smoothing via System Preferences, modifying font smoothing via terminal (defaults write -g CGFontRenderingFontSmoothingDisabled -bool NO/YES), and anything else suggested via the below links. NOTHING works.
https://www.reddit.com/r/firefox/comments/avirnu/weird_blurrybold_text_after_updating_to_firefox/
https://www.reddit.com/r/firefox/comments/aj3p2v/fonts_too_bold_since_firefox_devedition_660b1/
https://superuser.com/questions/563793/how-do-i-disable-font-anti-aliasing-in-firefox-while-keeping-font-hinting-on
https://bugzilla.mozilla.org/show_bug.cgi?id=1495282

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Anyone have any clue how to fix this? I really do want to switch to Firefox, but I refuse to do so with this terrible rendering that i'm currently getting.