The Basic view is easier to read... and when it comes to reading emails, it's important to have a view that's clean and clear. Change isn't always better... and in this case, your new version is a mess. You've tried this change at least 2 times over the many years that I've had Yahoo email, and in both cases before, as is now, I'd rather switch to a local client than look at the mess your techs have designed now.
The Basic view is easier to read... and when it comes to reading emails, it's important to have a view that's clean and clear. Change isn't always better... and in this case, your new version is a mess. You've tried this change at least 2 times over the many years that I've had Yahoo email, and in both cases before, as is now, I'd rather switch to a local client than look at the mess your techs have designed now.