It’s a great milestone to establish a complete & safe lifecycle for nuclear fuel.
From what I understood of current technology, recycling used nuclear fuel is too expensive and impractical today, so it makes economic sense to invest in long-term waste storage.
But I do wonder if in 30-50 years, the main way to deal with nuclear waste would be recycling. I saw an interesting interview of experts about this last month: https://youtu.be/IzQ3gFRj0Bc