Stumbled upon an interesting* bug(?) in Firefox macOS for this website — I happen to have the variable [wght,opsz] version of Newsreader installed. One weight it renders from my local font (with auto-opsz), the other from the remote font (fixed at 16px opsz). But why tho*

https://www.currentreader.app/

(* ”not gonna get nerd-sniped” challenge, level: difficult 😰)