- Deprecated the `apiserver_request_slo_duration_seconds` metric for v1.27 in favor of `apiserver_request_sli_duration_seconds` for naming consistency purposes with other SLI-specific metrics and to avoid any confusion between SLOs and SLIs. ([#112679](https://github.com/kubernetes/kubernetes/pull/112679), [@dgrisonnet](https://github.com/dgrisonnet))

- Eliminated work when creating Services or understanding port purposes, especially for external resources deployed via Helm charts. ([#133018](https://github.com/kubernetes/kubernetes/pull/133018), [@rushmash91](https://github.com/rushmash91))

- Ephemeral containers have been added in alpha. These temporary containers can be added to running pods for purposes such as debugging, similar to how `kubectl exec` runs a process in an existing container. Also like `kubectl exec`, no resources are reserved for ephemeral containers and they are not restarted when they exit. Note that container namespace targeting...

- `kubectl` now contains a `kubectl alpha debug` command. This command allows attaching an ephemeral container to a running pod for the purposes of debugging. ([#88004](https://github.com/kubernetes/kubernetes/pull/88004), [@verb](https://github.com/verb)) [SIG CLI]

### Documentation

absolute;\n          }\n\n          .nav-link {\n            padding-right: $navbar-nav-link-padding-x;\n            padding-left: $navbar-nav-link-padding-x;\n          }\n        }\n\n        // For nesting containers, have to redeclare for alignment purposes\n        %container-nesting-#{$breakpoint} {\n          flex-wrap: nowrap;\n        }\n\n        > .container,\n        > .container-fluid {\n          @extend %container-nesting-#{$breakpoint};\n        }\n\n        @each $size, $container-max-width...

absolute;\n          }\n\n          .nav-link {\n            padding-right: $navbar-nav-link-padding-x;\n            padding-left: $navbar-nav-link-padding-x;\n          }\n        }\n\n        // For nesting containers, have to redeclare for alignment purposes\n        %container-nesting-#{$breakpoint} {\n          flex-wrap: nowrap;\n        }\n\n        > .container,\n        > .container-fluid {\n          @extend %container-nesting-#{$breakpoint};\n        }\n\n        @each $size, $container-max-width...