Yeah, this. You could be the one to point out the fork in the thread. Don't wait for someone else to do it.
"this is a fork of xxx, I'm looking forward to seeing the community grow in this way. I'm the author of xxx, feel free to AMA, or reach out. Any participation in the project is welcome and encouraged."
"this is a fork of xxx, I'm looking forward to seeing the community grow in this way. I'm the author of xxx, feel free to AMA, or reach out. Any participation in the project is welcome and encouraged."