Roboto is not that far off from the iOS/Mac San Francisco, slightly more angular and a bit taller, but it does make the app feel decidedly Android-ish. Compared to Source Sans, it's a much better match with the system UI, though.
Also, the font renderer lacks hinting and subpixel antialiasing, so on normal-density displays it won't be as "sharp" as the system-provided labels. This may be distracting with Segoe on Windows.
@jk I think using system fonts of at least offering them as an option would be a great choice. They are top notch fonts and apps integrate much better into the surrounding OS.
On websites this also saves a ton of KByte.
@bearislive Yes. The only roadblock and the reason I haven’t already switched to system fonts is that it requires native APIs on some platforms, like macOS/iOS.
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