[girst]

The plan you've described is exactly what https://jshint.com/relicensing-2020/ did.

ETA: discussed here, with a more in-depth link: https://news.ycombinator.com/item?id=24051655

[julianlam]

Thanks! We did this with guidance from a lawyer, but didn't check to see how other projects handled it. I'm glad to see we followed the lead of other similar projects.