[puzzle]

TF 1.4 does, but you need to build it yourself. RC1 is out:

https://github.com/tensorflow/tensorflow/releases/tag/v1.4.0...

  All our prebuilt binaries have been built with CUDA 8 and cuDNN 6.
  We anticipate releasing TensorFlow 1.5 with CUDA 9 and cuDNN 7.