[
  {
    "pr": "https://github.com/angular/material2/pull/10296",
    "changes": [
      {
        "replace": "mat-form-field-placeholder",
        "replaceWith": "mat-form-field-label"
      },
      {
        "replace": "mat-form-field-placeholder-wrapper",
        "replaceWith": "mat-form-field-label-wrapper"
      },
      {
        "replace": "mat-input-container",
        "replaceWith": "mat-form-field"
      },
      {
        "replace": "mat-input-flex",
        "replaceWith": "mat-form-field-flex"
      },
      {
        "replace": "mat-input-hint-spacer",
        "replaceWith": "mat-form-field-hint-spacer"
      },
      {
        "replace": "mat-input-hint-wrapper",
        "replaceWith": "mat-form-field-hint-wrapper"
      },
      {
        "replace": "mat-input-infix",
        "replaceWith": "mat-form-field-infix"
      },
      {
        "replace": "mat-input-invalid",
        "replaceWith": "mat-form-field-invalid"
      },
      {
        "replace": "mat-input-placeholder",
        "replaceWith": "mat-form-field-label"
      },
      {
        "replace": "mat-input-placeholder-wrapper",
        "replaceWith": "mat-form-field-label-wrapper"
      },
      {
        "replace": "mat-input-prefix",
        "replaceWith": "mat-form-field-prefix"
      },
      {
        "replace": "mat-input-ripple",
        "replaceWith": "mat-form-field-ripple"
      },
      {
        "replace": "mat-input-subscript-wrapper",
        "replaceWith": "mat-form-field-subscript-wrapper"
      },
      {
        "replace": "mat-input-suffix",
        "replaceWith": "mat-form-field-suffix"
      },
      {
        "replace": "mat-input-underline",
        "replaceWith": "mat-form-field-underline"
      },
      {
        "replace": "mat-input-wrapper",
        "replaceWith": "mat-form-field-wrapper"
      }
    ]
  },


  {
    "pr": "https://github.com/angular/material2/pull/10325",
    "changes": [
      {
        "replace": "$mat-font-family",
        "replaceWith": "Roboto, 'Helvetica Neue', sans-serif",
        "whitelist": {
          "css": true
        }
      }
    ]
  }
]