The U84, available to lead customers now, doesn't have the vector extensions. The U87, announced to be made available in H2 2020, will. The vector extension sp

The U84, available to lead customers now, doesn't have the vector extensions. The U87, announced to be made available in H2 2020, will. The vector extension spec is 99% done. There shouldn't be anything more than minor tweaks from now. Note that part of the RISC-V extensions philosophy is that specs are not finalized until (preferably) multiple implementations have been made and shown to work as expected in the real world.