This was really helpful and this level of detail should be in the docs (at least as an optional footnote) because without knowing the underlying logic its impossible to predict what is going to make it work!
I was struggling until I found this post.
Thank you
hi , how can I set ion-item attribute from component side (e.g. setting no-lines when a condition fulfills) another example (setting no-lines for the last item in list) ??