Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
I do not understand what the description "First Rollback" means for the badge Cleanup. What is a rollback? Can someone please explain to me what this is?
A rollback is when you undo an edit, see here:
7 years ago
4 years, 7 months ago