## Bug Fixes and Other Changes

*   Added a versioning framework for `GraphDef`s to ensure compatibility
*   Enforced Python 3 compatibility
*   Internal changes now show up as sensibly separated commits
*   Open-sourced the doc generator
*   Un-fork Eigen
*   Simplified the `BUILD` files and cleaned up C++ headers
*   TensorFlow can now be used as a submodule in another bazel build
*   New ops (e.g., `*fft`, `*_matrix_solve`)