Agreed, it requires user-participation. However, LastPass could be proactive about this, perhaps including the number of rounds in its security check. It could

Agreed, it requires user-participation. However, LastPass could be proactive about this, perhaps including the number of rounds in its security check. It could tell you that your legacy account should be updated and guide you through it. That would be helpful. I have the standard 100,100 iterations, but had no idea that this was a feature I had to keep track of.