In many piano music (like Liebestraum), there are instances where there are lines between notes to show that the melody continues.
Let’s take this clip from IMSLP Salut d’amour
As you can see, from the Bass-Clef staff to the Treble-Clef Staff, across the barline two notes are connected via lines.
So far, the only forum post I’ve seen about this matter was from 2017, and the answer was “You can use a glissando line, but it’s a workaround”.
Dorico has obviously grown and developed since then, so I am wondering if there is now a feature for that. I can’t seem to find it in the software.