@Okelm Not sure if you're interested, but as this project is not under active maintenance lately I've created a new NPM package and started to maintain/add new features there
The repo is this one, would love to have your contributions there too, if that makes sense for you 🙂
From iOS 13.6 HealthKit supports tracking of health symptoms (https://developer.apple.com/documentation/healthkit/data_types/symptom_type_identifiers). Is this something that could be supported as part of this library?