diff --git a/features/css-typed-om.yml b/features/css-typed-om.yml
new file mode 100644
index 00000000000..ba1aec7def7
--- /dev/null
+++ b/features/css-typed-om.yml
@@ -0,0 +1,139 @@
+name: CSS typed object model
+description: The `CSSStyleValue` and its subclasses represent CSS values as distinct types instead of only strings. Also known as typed OM.
+spec: https://drafts.css-houdini.org/css-typed-om-1/
+group: cssom
+status:
+  compute_from: api.Element.computedStyleMap
+compat_features:
+  - api.CSSStyleValue
+  - api.CSSStyleValue.parse_static
+  - api.CSSStyleValue.parseAll_static
+  - api.CSSStyleValue.toString
+  - api.StylePropertyMapReadOnly
+  - api.StylePropertyMapReadOnly.entries
+  - api.StylePropertyMapReadOnly.forEach
+  - api.StylePropertyMapReadOnly.get
+  - api.StylePropertyMapReadOnly.getAll
+  - api.StylePropertyMapReadOnly.has
+  - api.StylePropertyMapReadOnly.keys
+  - api.StylePropertyMapReadOnly.size
+  - api.StylePropertyMapReadOnly.values
+  - api.StylePropertyMapReadOnly.@@iterator
+  - api.StylePropertyMap
+  - api.StylePropertyMap.append
+  - api.StylePropertyMap.clear
+  - api.StylePropertyMap.delete
+  - api.StylePropertyMap.set
+  - api.Element.computedStyleMap
+  - api.CSSStyleRule.styleMap
+  - api.HTMLElement.attributeStyleMap
+  - api.CSSUnparsedValue
+  - api.CSSUnparsedValue.CSSUnparsedValue
+  - api.CSSUnparsedValue.entries
+  - api.CSSUnparsedValue.forEach
+  - api.CSSUnparsedValue.keys
+  - api.CSSUnparsedValue.length
+  - api.CSSUnparsedValue.values
+  - api.CSSUnparsedValue.@@iterator
+  - api.CSSVariableReferenceValue
+  - api.CSSVariableReferenceValue.CSSVariableReferenceValue
+  - api.CSSVariableReferenceValue.fallback
+  - api.CSSVariableReferenceValue.variable
+  - api.CSSKeywordValue
+  - api.CSSKeywordValue.CSSKeywordValue
+  - api.CSSKeywordValue.value
+  - api.CSSNumericValue
+  - api.CSSNumericValue.add
+  - api.CSSNumericValue.div
+  - api.CSSNumericValue.equals
+  - api.CSSNumericValue.max
+  - api.CSSNumericValue.min
+  - api.CSSNumericValue.mul
+  - api.CSSNumericValue.parse_static
+  - api.CSSNumericValue.sub
+  - api.CSSNumericValue.to
+  - api.CSSNumericValue.toSum
+  - api.CSSNumericValue.type
+  - api.CSSUnitValue
+  - api.CSSUnitValue.CSSUnitValue
+  - api.CSSUnitValue.unit
+  - api.CSSUnitValue.value
+  - api.CSSMathValue
+  - api.CSSMathValue.operator
+  - api.CSSMathSum
+  - api.CSSMathSum.CSSMathSum
+  - api.CSSMathSum.values
+  - api.CSSMathProduct
+  - api.CSSMathProduct.CSSMathProduct
+  - api.CSSMathProduct.values
+  - api.CSSMathNegate
+  - api.CSSMathNegate.CSSMathNegate
+  - api.CSSMathNegate.value
+  - api.CSSMathInvert
+  - api.CSSMathInvert.CSSMathInvert
+  - api.CSSMathInvert.value
+  - api.CSSMathMin
+  - api.CSSMathMin.CSSMathMin
+  - api.CSSMathMin.values
+  - api.CSSMathMax
+  - api.CSSMathMax.CSSMathMax
+  - api.CSSMathMax.values
+  - api.CSSMathClamp
+  - api.CSSMathClamp.CSSMathClamp
+  - api.CSSMathClamp.lower
+  - api.CSSMathClamp.upper
+  - api.CSSMathClamp.value
+  - api.CSSNumericArray
+  - api.CSSNumericArray.entries
+  - api.CSSNumericArray.forEach
+  - api.CSSNumericArray.keys
+  - api.CSSNumericArray.length
+  - api.CSSNumericArray.values
+  - api.CSSNumericArray.@@iterator
+  - api.CSSTransformValue
+  - api.CSSTransformValue.CSSTransformValue
+  - api.CSSTransformValue.entries
+  - api.CSSTransformValue.forEach
+  - api.CSSTransformValue.is2D
+  - api.CSSTransformValue.keys
+  - api.CSSTransformValue.length
+  - api.CSSTransformValue.toMatrix
+  - api.CSSTransformValue.values
+  - api.CSSTransformValue.@@iterator
+  - api.CSSTransformComponent
+  - api.CSSTransformComponent.is2D
+  - api.CSSTransformComponent.toMatrix
+  - api.CSSTransformComponent.toString
+  - api.CSSTranslate
+  - api.CSSTranslate.CSSTranslate
+  - api.CSSTranslate.x
+  - api.CSSTranslate.y
+  - api.CSSTranslate.z
+  - api.CSSRotate
+  - api.CSSRotate.CSSRotate
+  - api.CSSRotate.angle
+  - api.CSSRotate.x
+  - api.CSSRotate.y
+  - api.CSSRotate.z
+  - api.CSSScale
+  - api.CSSScale.CSSScale
+  - api.CSSScale.x
+  - api.CSSScale.y
+  - api.CSSScale.z
+  - api.CSSSkew
+  - api.CSSSkew.CSSSkew
+  - api.CSSSkew.ax
+  - api.CSSSkew.ay
+  - api.CSSSkewX
+  - api.CSSSkewX.CSSSkewX
+  - api.CSSSkewX.ax
+  - api.CSSSkewY
+  - api.CSSSkewY.CSSSkewY
+  - api.CSSSkewY.ay
+  - api.CSSPerspective
+  - api.CSSPerspective.CSSPerspective
+  - api.CSSPerspective.length
+  - api.CSSMatrixComponent
+  - api.CSSMatrixComponent.CSSMatrixComponent
+  - api.CSSMatrixComponent.matrix
+  - api.CSSImageValue
diff --git a/features/css-typed-om.yml.dist b/features/css-typed-om.yml.dist
new file mode 100644
index 00000000000..81c99cd8789
--- /dev/null
+++ b/features/css-typed-om.yml.dist
@@ -0,0 +1,166 @@
+# Generated from: css-typed-om.yml
+# Do not edit this file by hand. Edit the source file instead!
+
+status:
+  baseline: false
+  support:
+    chrome: "66"
+    chrome_android: "66"
+    edge: "79"
+    safari: "16.4"
+    safari_ios: "16.4"
+compat_features:
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: false
+  # support:
+  #   chrome: "66"
+  #   chrome_android: "66"
+  #   edge: "79"
+  #   safari: "16.4"
+  #   safari_ios: "16.4"
+  - api.CSSImageValue
+  - api.CSSKeywordValue
+  - api.CSSKeywordValue.CSSKeywordValue
+  - api.CSSKeywordValue.value
+  - api.CSSMathInvert
+  - api.CSSMathInvert.CSSMathInvert
+  - api.CSSMathInvert.value
+  - api.CSSMathMax
+  - api.CSSMathMax.values
+  - api.CSSMathMin
+  - api.CSSMathMin.values
+  - api.CSSMathNegate
+  - api.CSSMathNegate.CSSMathNegate
+  - api.CSSMathNegate.value
+  - api.CSSMathProduct
+  - api.CSSMathProduct.values
+  - api.CSSMathSum
+  - api.CSSMathSum.values
+  - api.CSSMathValue
+  - api.CSSMathValue.operator
+  - api.CSSMatrixComponent
+  - api.CSSMatrixComponent.CSSMatrixComponent
+  - api.CSSMatrixComponent.matrix
+  - api.CSSNumericArray
+  - api.CSSNumericArray.@@iterator
+  - api.CSSNumericArray.entries
+  - api.CSSNumericArray.forEach
+  - api.CSSNumericArray.keys
+  - api.CSSNumericArray.length
+  - api.CSSNumericArray.values
+  - api.CSSNumericValue
+  - api.CSSNumericValue.add
+  - api.CSSNumericValue.div
+  - api.CSSNumericValue.equals
+  - api.CSSNumericValue.max
+  - api.CSSNumericValue.min
+  - api.CSSNumericValue.mul
+  - api.CSSNumericValue.parse_static
+  - api.CSSNumericValue.sub
+  - api.CSSNumericValue.to
+  - api.CSSNumericValue.toSum
+  - api.CSSNumericValue.type
+  - api.CSSPerspective
+  - api.CSSPerspective.CSSPerspective
+  - api.CSSPerspective.length
+  - api.CSSRotate
+  - api.CSSRotate.CSSRotate
+  - api.CSSRotate.angle
+  - api.CSSRotate.x
+  - api.CSSRotate.y
+  - api.CSSRotate.z
+  - api.CSSScale
+  - api.CSSScale.CSSScale
+  - api.CSSScale.x
+  - api.CSSScale.y
+  - api.CSSScale.z
+  - api.CSSSkew
+  - api.CSSSkew.CSSSkew
+  - api.CSSSkew.ax
+  - api.CSSSkew.ay
+  - api.CSSSkewX
+  - api.CSSSkewX.CSSSkewX
+  - api.CSSSkewX.ax
+  - api.CSSSkewY
+  - api.CSSSkewY.CSSSkewY
+  - api.CSSSkewY.ay
+  - api.CSSStyleRule.styleMap
+  - api.CSSStyleValue
+  - api.CSSStyleValue.parseAll_static
+  - api.CSSStyleValue.parse_static
+  - api.CSSStyleValue.toString
+  - api.CSSTransformComponent
+  - api.CSSTransformComponent.is2D
+  - api.CSSTransformComponent.toMatrix
+  - api.CSSTransformComponent.toString
+  - api.CSSTransformValue
+  - api.CSSTransformValue.@@iterator
+  - api.CSSTransformValue.CSSTransformValue
+  - api.CSSTransformValue.entries
+  - api.CSSTransformValue.forEach
+  - api.CSSTransformValue.is2D
+  - api.CSSTransformValue.keys
+  - api.CSSTransformValue.length
+  - api.CSSTransformValue.toMatrix
+  - api.CSSTransformValue.values
+  - api.CSSTranslate
+  - api.CSSTranslate.CSSTranslate
+  - api.CSSTranslate.x
+  - api.CSSTranslate.y
+  - api.CSSTranslate.z
+  - api.CSSUnitValue
+  - api.CSSUnitValue.CSSUnitValue
+  - api.CSSUnitValue.unit
+  - api.CSSUnitValue.value
+  - api.CSSUnparsedValue
+  - api.CSSUnparsedValue.@@iterator
+  - api.CSSUnparsedValue.CSSUnparsedValue
+  - api.CSSUnparsedValue.entries
+  - api.CSSUnparsedValue.forEach
+  - api.CSSUnparsedValue.keys
+  - api.CSSUnparsedValue.length
+  - api.CSSUnparsedValue.values
+  - api.CSSVariableReferenceValue
+  - api.CSSVariableReferenceValue.CSSVariableReferenceValue
+  - api.CSSVariableReferenceValue.fallback
+  - api.CSSVariableReferenceValue.variable
+  - api.Element.computedStyleMap
+  - api.HTMLElement.attributeStyleMap
+  - api.StylePropertyMap
+  - api.StylePropertyMap.append
+  - api.StylePropertyMap.clear
+  - api.StylePropertyMap.delete
+  - api.StylePropertyMap.set
+  - api.StylePropertyMapReadOnly
+  - api.StylePropertyMapReadOnly.@@iterator
+  - api.StylePropertyMapReadOnly.entries
+  - api.StylePropertyMapReadOnly.forEach
+  - api.StylePropertyMapReadOnly.get
+  - api.StylePropertyMapReadOnly.getAll
+  - api.StylePropertyMapReadOnly.has
+  - api.StylePropertyMapReadOnly.keys
+  - api.StylePropertyMapReadOnly.size
+  - api.StylePropertyMapReadOnly.values
+
+  # baseline: false
+  # support:
+  #   chrome: "100"
+  #   chrome_android: "100"
+  #   edge: "100"
+  #   safari: "16.4"
+  #   safari_ios: "16.4"
+  - api.CSSMathClamp
+  - api.CSSMathClamp.CSSMathClamp
+  - api.CSSMathClamp.lower
+  - api.CSSMathClamp.upper
+  - api.CSSMathClamp.value
+
+  # baseline: false
+  # support:
+  #   chrome: "66"
+  #   chrome_android: "66"
+  #   edge: "79"
+  - api.CSSMathMax.CSSMathMax
+  - api.CSSMathMin.CSSMathMin
+  - api.CSSMathProduct.CSSMathProduct
+  - api.CSSMathSum.CSSMathSum