`http_response_size_bytes_sum`
 `http_response_size_bytes_count`
 due to removal from the prometheus client library. Prometheus http request meta-metrics are now generated from [`promhttp.InstrumentMetricHandler`](https://godoc.org/github.com/prometheus/client_golang/prometheus/promhttp#InstrumentMetricHandler) instead.
- Following metrics from kube-controller-manager are now marked as with the ALPHA stability level:

`Backoff{...}.DelayWithReset(clock, resetInterval)` method and must set the `Steps` field when using `Factor`. As a short term change, callers may use the `Timer()` method on the `BackoffManager` until the backoff managers are deprecated and removed. Please see the godoc of the deprecated functions for examples of how to replace usage of this function. ([#107826](https://github.com/kubernetes/kubernetes/pull/107826), [@smarterclayton](https://github.com/smarterclayton)) [SIG API Machinery, Auth, Cloud Provider, Storage...

    QuantizeDownAndShrinkRange, QuantizedRelu, QuantizedRelu6, QuantizedReshape,
    QuantizeV2, RequantizationRange, and Requantize.
*   Go: Experimental API in Go to create and execute graphs
    (https://godoc.org/github.com/tensorflow/tensorflow/tensorflow/go)
*   New checkpoint format becomes the default in `tf.train.Saver`. Old V1
    checkpoints continue to be readable; controlled by the `write_version`