We plan to eventually hit this as it’s a common request. It in the mean time text scaling is supported. You can use the control center dynamic text widget to set a custom size just for mlem. Just hit the switch at the bottom.
Thanks for the feedback, we are tinkering with the post layout a lot this week in anticipation of shipping to the AppStore. Lots of people have opinions on this.
I think we are going to focus on more customization after 1.0.
Can the tech industry ever do a thing in moderation?