if (!counter.WaitFor(std::chrono::seconds(10))) {
      // This avoids having the test time out, which is harder to debug.
      TF_SetStatus(status, TF_FAILED_PRECONDITION,
                   "desired concurrency not reached");
      return -1;
    }
    memset(buffer, 'x', n);
    TF_SetStatus(status, TF_OK, "");
    return n;
  };
  const int block_size = 8;
  tf_gcs_filesystem::RamFileBlockCache cache(

*   `tf.config.experimental_list_devices` has been removed, please use
    `tf.config.list_logical_devices`.

## Bug Fixes and Other Changes

*   `tf.data`
    *   Fixes concurrency issue with `tf.data.experimental.parallel_interleave`
        with `sloppy=True`.
    *   Add `tf.data.experimental.dense_to_ragged_batch()`.
    *   Extend `tf.data` parsing ops to support `RaggedTensors`.