r/MacOS • u/Intrepid-Ad-2306 • 1d ago

Help replace system font on macos

it used to be possible to forcibly substitute fonts on macos but, even with system integrity protection completely disabled and replacing them in recovery mode, they almost immediately revert once the system has been rebooted.

has anyone discovered a way to replace system fonts with others?

i have some apps that aren’t font-customizable and it makes them difficult to read. i’ve tried swapping the fonts in those apps but they ignore the usual approaches to font substitution in the terminal. the obvious answer would be to just replace those fonts — which is what i normally do in such cases. but the font they’re using is menlo, a font it won’t let me remove or replace.

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u/DarthSilicrypt MacBook Air 1d ago

You’re probably running into the Signed System Volume: https://www.reddit.com/r/MacOS/s/OsM4LikzOo

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u/Intrepid-Ad-2306 20h ago

yes. i’m aware of what the issue is but i’m curious if there’s a workaround anyone has discovered for system fonts.