*   `tf.lite`:

    *   Rename fields `SignatureDef` table in schema to maximize the parity with
        TF SavedModel's Signature concept.
    *   Deprecate Makefile builds. Makefile users need to migrate their builds
        to CMake or Bazel. Please refer to the
        [Build TensorFlow Lite with CMake](https://www.tensorflow.org/lite/guide/build_cmake)
        and