*   If you're opening empty variable scopes; replace `variable_scope('', ...)`
    by `variable_scope(tf.get_variable_scope(), ...)`.
*   Headers used for building custom ops have been moved from
    site-packages/external into site-packages/tensorflow/include/external.

## Bug Fixes and Other Changes

*   `tfe.Network` is deprecated. Please inherit from `tf.keras.Model`.

controls and our custom form controls (e.g., input groups).\n\n.form-inline {\n  display: flex;\n  flex-flow: row wrap;\n  align-items: center; // Prevent shorter elements from growing to same height as others (e.g., small buttons growing to normal sized button height)\n\n  // Because we use flex, the initial sizing of checkboxes is collapsed and\n  // doesn't occupy the full-width (which is what we want for xs grid tier),\n  // so we force that here.\n  .form-check {\n    width: 100%;\n  }\n\n  //...

controls and our custom form controls (e.g., input groups).\n\n.form-inline {\n  display: flex;\n  flex-flow: row wrap;\n  align-items: center; // Prevent shorter elements from growing to same height as others (e.g., small buttons growing to normal sized button height)\n\n  // Because we use flex, the initial sizing of checkboxes is collapsed and\n  // doesn't occupy the full-width (which is what we want for xs grid tier),\n  // so we force that here.\n  .form-check {\n    width: 100%;\n  }\n\n  //...