The "sparkle setting" resets if you haven't been on Twitter Web for a while, even if you always keep up with Twitter on mobile.
I use Twitter Web so infrequently that whenever I open it, it has always changed back to the "Top Tweets" view.
I use Twitter Web so infrequently that whenever I open it, it has always changed back to the "Top Tweets" view.
If only Twitter had separate URLs for the two styles, then I could just update my bookmark...