-$card-spacer-y;\n  margin-left: -$card-spacer-x / 2;\n  border-bottom: 0;\n}\n\n.card-header-pills {\n  margin-right: -$card-spacer-x / 2;\n  margin-left: -$card-spacer-x / 2;\n}\n\n// Card image\n.card-img-overlay {\n  position: absolute;\n  top: 0;\n  right: 0;\n  bottom: 0;\n  left: 0;\n  padding: $card-img-overlay-padding;\n}\n\n.card-img,\n.card-img-top,\n.card-img-bottom {\n  flex-shrink: 0; // For IE: https://github.com/twbs/bootstrap/issues/29396\n  width: 100%; // Required because we use flexbox and...

-$card-spacer-y;\n  margin-left: -$card-spacer-x * .5;\n  border-bottom: 0;\n}\n\n.card-header-pills {\n  margin-right: -$card-spacer-x * .5;\n  margin-left: -$card-spacer-x * .5;\n}\n\n// Card image\n.card-img-overlay {\n  position: absolute;\n  top: 0;\n  right: 0;\n  bottom: 0;\n  left: 0;\n  padding: $card-img-overlay-padding;\n  @include border-radius($card-inner-border-radius);\n}\n\n.card-img,\n.card-img-top,\n.card-img-bottom {\n  flex-shrink: 0; // For IE: https://github.com/twbs/bootstrap/issues/29396\n...

* Fix base image pinning during upgrades via cluster/gce/upgrade.sh ([#33147](https://github.com/kubernetes/kubernetes/pull/33147), [@vishh](https://github.com/vishh))
* Remove the flannel experimental overlay ([#33862](https://github.com/kubernetes/kubernetes/pull/33862), [@luxas](https://github.com/luxas))

## Changelog since v1.6.12

### Other notable changes

* Bump cAdvisor to v0.25.1, which adds support for the Docker overlay2 storage driver. ([#55744](https://github.com/kubernetes/kubernetes/pull/55744), [@dashpole](https://github.com/dashpole))

-footer:last-child{border-radius:0 0 calc(.25rem - 1px) calc(.25rem - 1px)}.card-header-tabs{margin-right:-.625rem;margin-bottom:-.75rem;margin-left:-.625rem;border-bottom:0}.card-header-pills{margin-right:-.625rem;margin-left:-.625rem}.card-img-overlay{position:absolute;top:0;right:0;bottom:0;left:0;padding:1.25rem}.card-img,.card-img-bottom,.card-img-top{-ms-flex-negative:0;flex-shrink:0;width:100%}.card-img,.card-img-top{border-top-left-radius:calc(.25rem - 1px);border-top-right-radius:calc(.25rem...

-footer:last-child{border-radius:0 0 calc(.25rem - 1px) calc(.25rem - 1px)}.card-header-tabs{margin-right:-.625rem;margin-bottom:-.75rem;margin-left:-.625rem;border-bottom:0}.card-header-pills{margin-right:-.625rem;margin-left:-.625rem}.card-img-overlay{position:absolute;top:0;right:0;bottom:0;left:0;padding:1.25rem;border-radius:calc(.25rem - 1px)}.card-img,.card-img-bottom,.card-img-top{-ms-flex-negative:0;flex-shrink:0;width:100%}.card-img,.card-img-top{border-top-left-radius:calc(.25rem - 1p...

- Fixed a bug involving Services of type `LoadBalancer` with multiple IPs and a `LoadBalancerSourceRanges` that overlaps the node IP. ([#109826](https://github.com/kubernetes/kubernetes/pull/109826), [@danwinship](https://github.com/danwinship))

* On GCI, NPD starts to monitor kubelet, docker, containerd crashlooping, read-only filesystem and corrupt docker overlay2 issues. ([#71522](https://github.com/kubernetes/kubernetes/pull/71522), [@wangzhen127](https://github.com/wangzhen127))

<p>
The built-in functions <code>append</code> and <code>copy</code> assist in
common slice operations.
For both functions, the result is independent of whether the memory referenced
by the arguments overlaps.
</p>

<p>
The <a href="#Function_types">variadic</a> function <code>append</code>
appends zero or more values <code>x</code>
to <code>s</code> of type <code>S</code>, which must be a slice type, and

* On GCI, NPD starts to monitor kubelet, docker, containerd crashlooping, read-only filesystem and corrupt docker overlay2 issues. ([#71522](https://github.com/kubernetes/kubernetes/pull/71522), [@wangzhen127](https://github.com/wangzhen127))