- Kubelets configured to rotate client certificates now publish a `certificate_manager_server_ttl_seconds` gauge metric indicating the remaining seconds until certificate expiration. ([#91148](https://github.com/kubernetes/kubernetes/pull/91148), [@liggitt](https://github.com/liggitt)) [SIG Auth and Node]

王振华 (Zhenhua Wang), 黄鑫

# Release 1.14.0

## Major Features and Improvements

*   This is the first 1.x release containing the compat.v2 module. This module
    is required to allow libraries to publish code which works in both 1.x and
    2.x. After this release, no backwards incompatible changes are allowed in
    the 2.0 Python API.
*   Turn on MKL-DNN contraction kernels by default. MKL-DNN dynamically