I'll add another attribute: popularity. I maintained a fork of a script that was rather complex, but had close to no feature requests and a handful of minor bug

I'll add another attribute: popularity. I maintained a fork of a script that was rather complex, but had close to no feature requests and a handful of minor bugs. On the other hand, there is a ton of great research on burnout due to its prevalence. One of the maintainers of some great projects wrote about taking an "indefinite sabbatical" - https://arslan.io/2018/10/09/taking-an-indefinite-sabbatical-from-my-projects/ https://arslan.io/2018/10/09/taking-an-indefinite-sabbatical.... He gets at the commitment in more detail. The most complete resource I've found, on the good and bad, is @nayafia's Awesome Maintainers: https://github.com/nayafia/awesome-maintainers https://github.com/nayafia/awesome-maintainers