"Hi, I use your app and it's wonderful."
So far so good.
It's immediately followed by
"But it would be perfect if it had <niche feature only needed by that person's individual use case> "
This kind of feedback is wealth.
Even if the use case seems very individual, maybe a useful generalization of it can be found which still covers that case but is of broader use.
"Hi, I use your app and it's wonderful."
So far so good.
It's immediately followed by
"But it would be perfect if it had <niche feature only needed by that person's individual use case> "