The Article Status shows useful information about the respective product.
Full Production: These products are produced regularly.
Upgrade available: For these products there is a successor with minor changes (Usually it is a revision change).
Preview: These products serve as a preview. They are not yet produced on a regular basis. On request we can send you more information about the repective product.
NRND: "Not recommended for new design". We do not recommend using these products in new hardware designs.
EOL: "End of life". These products will no longer exist in the future, because the corresponding FPGA is no longer produced.