In the last few months there were two bug fixes and a drupal 9 / simplenews 3 compatiblity patch merged into 2.0.x-dev:
I think, with these three issues resolved, the 2.0.x branch is ready for a new version, e.g. 2.0.0-beta1
Tag a new version 2.0.0-beta1 from 2.0.x-dev branch.
Needs work
2.0
Code
Not all content is available!
It's likely this issue predates Contrib.social: some issue and comment data are missing.