See kubernetes-announce@ and CHANGELOG/CHANGELOG-1.18.md for details.
SHA256 for kubernetes.tar.gz: 8d4d3b0e609feeb151566e7edb2f21800fcbcd02f6f2d17e676c9776c5a0f40f
SHA512 for kubernetes.tar.gz: b0c98d0876673c72a71f8f55c66bf8a9168e6f5f8e4890bf326d2dd74041cc068b1da03167010fcf2dc9f5cd6fb6eb57631378c4dc416b4cba1f55682d98e6cb
Additional binary downloads are linked in the CHANGELOG/CHANGELOG-1.18.md.