it's not an emulator -- it's a (very realistic) re-implementation of the desktop using standard JS and CSS. Flash is run through Ruffle. Edge opens pages using

it's not an emulator -- it's a (very realistic) re-implementation of the desktop using standard JS and CSS. Flash is run through Ruffle. Edge opens pages using native iframes. Essentially the browser split comes from the usual browser split: discrepancies in JS and CSS implementations