We are merged!
That means you can find a download here:
https://mypet-plugin.de/download (choose dev-build 3.12-SNAPSHOT - it works with 1.17.1)
What about 1.17?
I don't know why you would use that but:
I'll try to keep this other release up to date and running on 1.17 (until 1.18 comes out)