Nine months following the heralded official release of the GPLv3 licenses, and with the more recent addition of the Affero GPLv3, adoption has surpassed 50% of my projections. What seemed like completely optimistic FUD when I initially projected adoption numbers of 17,540 to reach a saturation point seems now more like just a matter of time for another 9,000 project releases to adopt the many GPLv3 variants.
Explained in detail, the amount of new FOSS projects has climbed nearly 20%, with a current inventory of almost 250,000 to choose from. The GPLv3 adoption rates are steady, when viewed with the current numbers. Therefore, based on this big inventory increase in the last seven months, adoption is strong at over 41%, but compared with the initial projections made on 8/13/07, GPLv3 adoption is over 50%, and well on its way to replace its GPL predecessors.