Ukraine is making it much harder for Russian operations in the south east part of the country and Crimea. Its hard to fight without effective air cover and key bridges and logistics getting blown to bits every few days. I have no idea when or how, Ukraine's moves make it look like they really want to take back Kherson and have a eye on Crimea.
The Crimea is probably not possible, but depending on the condition of Ukrainian forces, clearing the West Bank of the Dnieper is doable and desirable.