Many of them. As I remember some of the doctrinal scrolls were more current. So many now I have lost track, what with all the modern distractions. :^( I have a rather large digital file directory on almost all of the scrolls, mostly older, some of the newer advancements and discoveries. As I say, getting harder to keep up. sigh
IAA {Israel Antiquities Authority} have been searching the Dead Sea area and finding new caves, trying to keep ahead of the 'poachers'. I don't know of any noteworthy new discoveries, however.