I uploaded latest Windy app for iOS along with current iOS for iPhone and iPad. I plotted a route. Asked to Share the plotted route. The “on.Windy” address failed. Safari reports the link is bad.
I then went on Safari and created the same route. The browser plot was created and the “Share” new link then worked.
Here is the working link… https://on.windy.com/8bavk
This is the non working link… https://on.windy.com/4vp8p