H, tkunic, Tod, vihanjain, Yan Facai (颜发才), Yin Li, Yong Tang, Yukun Chen,
Yusuke Yamada

# Release 1.6.0

## Breaking Changes

*   Prebuilt binaries are now built against CUDA 9.0 and cuDNN 7.
*   Prebuilt binaries will use AVX instructions. This may break TF on older
    CPUs.

## Major Features And Improvements

*   New Optimizer internal API for non-slot variables. Descendants of

# ARM64 PYCPP
# In Linux Arm64 presubmit/continuous build, we cross-compile the binaries on
# Linux x86 so that we can use RBE. Since tests still need to run on the single
# host Arm64 machine, the build becomes too slow (~30 min) to be a presubmit.
# For testing purposes, we want to see the runtime performance of an