Ukraine's official line is that the weapon used was Ukrainian designed and manufactured. How true that is, we don't know but they were rumoured to have been developing a 500km range missile system of their own before this year
Obviously it could be a NATO weapon and they are just covering.
I definitely think the mid-August prediction for Ukraine to go on the offensive could be about to be realised. Not only that but the Russians are known to have reinforced the Southern Front recently and now those increased troop numbers South East of Kherson aren’t going to have as much (if any) air cover as they were expecting