I saw the Lion King twice - once back in 2007 and once a couple of months ago. So I don't really remember if there are any differences.
All I can say is, I wasn't underwhelmed with the sets and costumes on tour. I don't think there were any major changes. If there was anything, I didn't notice.
"We like to snark around here. Sometimes we actually talk about theater...but we try not to let that get in our way." - dramamama611