I cannot see my Zwift activity, although my Garmin account is connected
Well, this is Garmins fault. They don’t send third party activities - which pushes activities to Garmin - to us.
We hope that Zwift integrate RUNALYZE as a sync option: Please vote here: https://forums.zwift.com/t/synchronization-to-runalyze/13993
Didn't find an answer to your question?
Please let us know if you have wishes or have encountered bugs. We give our best to make Runalyze as good as possible for you. - Therefore we would be interested in your suggestions for improvement. In general most questions, problems and ideas are more appropriate to ask in the forum.