Checkout https://mapcomplete.org/cycle_infra and https://mapcomplete.org/cyclenodes.html
Editing attributes of relations is possible. Adding or deleting objects to relations might become possible one day. Editing geometries is out of scope for this project.
Thanks for the pointer! I posted here before properly exploring the other themes.
Really nice project. Thank you for contributing to the OSM community.
>Editing geometries is out of scope for this project.
Out of curiosity, may I ask why?
It's not that I have this use case regularly, cycling-related it mainly comes up dealing with tracks through forests and fields.