not really. The hardness of SVP is relevant, but this is a paper giving improved provable bounds for SVP algorithms. heuristically (which people use to choose parameter sizes etc) people assume SVP is much easier to solve, closer to 2^{.29n + o(n)}.
So it's tangentially related, but does not itself imply an improvement on the (heuristically assumed) SOTA for these problems.
So it's tangentially related, but does not itself imply an improvement on the (heuristically assumed) SOTA for these problems.