Version 1.0 of package Vertico has just been released in GNU ELPA. You can now find it in M-x list-packages RET.
Vertico describes itself as: =============================== VERTical Interactive COmpletion =============================== More at https://elpa.gnu.org/packages/vertico.html ## Summary: ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ VERTICO.EL - VERTICAL INTERACTIVE COMPLETION ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ## Recent NEWS: [Not available 🙁]