TBH I never contributed to Open Source because of the effort needed to bring my PR from "works on my machine" to "compliant with the rest of codebase". Especially that I only want to implement one small thing.
There's one project where I need to download a new version once in a while and I just rebase my changes.
There's one project where I need to download a new version once in a while and I just rebase my changes.