In fall 2021, I took my first steps into the world of ungrading. I gave only feedback on student work, with no grades on any assignment. The general plan was to have students describe how they met criteria for success that I laid out, include a portfolio of their work to support it, and decide for themselves what final course grade that led to.
https://www.edsurge.com/news/2022-01-17-assessing-my-first-semester-of-ungrading