Yes, it is very safe to visit Xinjiang now. The Uyghur people are some of the most friendly you’ll ever meet. Most visitors feel it is totally safe in the main tourist areas, though there may be an elevated police presence.
1) Drive on Duku Road from Naraty to Kuqa
2) Visit two big grasslands: Kalajun and Narati Air Grassland
3) Explore the most beautiful Tianshan Grand Valley