not setting the flag, no action is necessary. ([#88290](https://github.com/kubernetes/kubernetes/pull/88290), [@tallclair](https://github.com/tallclair)) [SIG API Machinery and Node]

- `kubectl` no longer defaults to `http://localhost:8080`.  If you own one of these legacy clusters, you are *strongly- encouraged to secure your server.   If you cannot secure your server, you can set `KUBERNETES_MASTER` if you were relying on that behavior and you're client-go user. Set `--server`, `--kubeconfig`...

0061..007A    ; valid                                  # 1.1  LATIN SMALL LETTER A..LATIN SMALL LETTER Z
007B..007F    ; disallowed_STD3_valid                  # 1.1  LEFT CURLY BRACKET..<control-007F>
0080..009F    ; disallowed                             # 1.1  <control-0080>..<control-009F>
00A0          ; disallowed_STD3_mapped ; 0020          # 1.1  NO-BREAK SPACE
00A1..00A7    ; valid                  ;      ; NV8    # 1.1  INVERTED EXCLAMATION MARK..SECTION SIGN

gradient-x($start-color: $gray-700, $end-color: $gray-800, $start-percent: 0%, $end-percent: 100%) {\n  background-image: linear-gradient(to right, $start-color $start-percent, $end-color $end-percent);\n  background-repeat: repeat-x;\n}\n\n// Vertical gradient, from top to bottom\n//\n// Creates two color stops, start and end, by specifying a color and position for each color stop.\n@mixin gradient-y($start-color: $gray-700, $end-color: $gray-800, $start-percent: 0%, $end-percent: 100%) {\n  background-image:...