Hello all!
I just got around to updating the Phosphor Icons plugin from back when it was in beta, and happy to say that it is working well. Hope you enjoy, and please let me know if you encounter any issues or have any feedback!
Install: https://design.penpot.app/#?plugin=https://phosphor-icons.github.io/penpot/manifest.json
Repo: GitHub - phosphor-icons/penpot: A Phosphor Icons plugin for Penpot
Short clip of it in action: