In our code review process at Google we're able to provide suggested edits as a reviewer. Currently we're trying to include these suggestions better in our review flow. We think an inline preview to smaller code suggestions in the comment card will be a very helpful tool for the code author. This could look something like this:

While this looks a lot like an integrated peek view I'd expect some memory issues when displaying lots of them at the same time. That's why I think this would need to be a bit more custom.

I could see this being useful for all users, not only inside our organisation.
What do you think? Is this a feature you could imagine having in your code base?
If so we could imagine to help implement it.