Who is using this with the App Router? Or is there a nice alternative out there?

https://www.npmjs.com/package/nextjs-progressbar

What's your use case? I would say packages like these are largely unnecessary today with things like prefetching and prerendering

/new-york by day 🗽 /zinger by night 😈 Fan of eating tacos and bringing people together, often at the same time 🌮

For navigations try adding a `loading.tsx` page: https://nextjs.org/docs/app/building-your-application/routing/loading-ui-and-streaming

For pending form submissions check out useFormStatus:

For navigations try adding a `loading.tsx` page: https://nextjs.org/docs/app/building-your-application/routing/loading-ui-and-streaming

For pending form submissions check out useFormStatus: https://nextjs.org/docs/app/building-your-application/data-fetching/server-actions-and-mutations#pending-states

Use case is indicating that a route transition is in place. Would be nice to have some feedback for the user given the transitions are not quite instant.