I have good news. I’ve revived peerlibrary:subscription-data . This library is now part of the nachocodoner:reactive-publish package, which now supports both composed and derived reactive publications.
You can already publish reactively derived data, such as total counts for lists or pagination components, in Meteor 3. Or if you were blocked by this package in your migration to Meteor 3, you’re now unblocked.
The next post announces the first beta release (nachocodoner:reactive-publish@1.1.0-beta.1). I’d like everyone interested in this feature to test it and share feedback so we can refine it for the upcoming stable nachocodoner:reactive-publish@1.1.0 release.