Those are good points. It would be cool to know the focus of the conferences in advance. Until now most conferences were single track only (the ones you mention

Those are good points. It would be cool to know the focus of the conferences in advance. Until now most conferences were single track only (the ones you mentioned with two tracks are the exception) but some at least felt pretty well balanced. Maybe I just know Rust better now and what felt technical back then does not anymore.