Vivaldi is an Electron-based wrapper for Chromium - thus it's Blink, not Presto. Since Opera moved to Blink a while back as well, I'm fairly certain no extant b

Vivaldi is an Electron-based wrapper for Chromium - thus it's Blink, not Presto. Since Opera moved to Blink a while back as well, I'm fairly certain no extant browser uses that rendering engine, and I believe its development has ceased entirely.