If you have the time and inclination, it would be great to have these logged as issues in GitHub so that people are aware of them and can discuss/fix them.
Sounds like you're mostly talking about font size? Font sizes are set in rems, as that article recommends, though the body is set to 0.875rem. Using the built-in browser zoom should manage this for you. Or do you mean type hierarchy?
Contrast needs improving in some places definitely.
Oh, thanks! I thought Lemmy would warn me if I tried to submit a duplicate URL.Oh nevermind, that one looks like it was posted after mine. (It has a higher ID, too.)