diff --git a/packages/react-native/Libraries/StyleSheet/StyleSheet.js b/packages/react-native/Libraries/StyleSheet/StyleSheet.js
index 39f4a95825e8..b9227c33e11e 100644
--- a/packages/react-native/Libraries/StyleSheet/StyleSheet.js
+++ b/packages/react-native/Libraries/StyleSheet/StyleSheet.js
@@ -15,6 +15,7 @@ import type {
   ____ColorValue_Internal,
   ____DangerouslyImpreciseStyle_Internal,
   ____DangerouslyImpreciseStyleProp_Internal,
+  ____FontVariant_Internal,
   ____ImageStyle_Internal,
   ____ImageStyleProp_Internal,
   ____TextStyle_Internal,
@@ -22,12 +23,17 @@ import type {
   ____TransformStyle_Internal,
   ____ViewStyle_Internal,
   ____ViewStyleProp_Internal,
+  NativeColorValue,
 } from './StyleSheetTypes';
 const StyleSheet: StyleSheetExports = (
   require('./StyleSheetExports') as $FlowFixMe
 ).default;
 
-export type {NativeColorValue} from './StyleSheetTypes';
+export type {
+  BoxShadowValue,
+  NativeColorValue,
+  FilterFunction,
+} from './StyleSheetTypes';
 
 /**
  * This type should be used as the type for anything that is a color. It is
@@ -38,10 +44,21 @@ export type {NativeColorValue} from './StyleSheetTypes';
  */
 export type ColorValue = ____ColorValue_Internal;
 
+/**
+ * Expose the opaque type for NativeColorValue.
+ * @deprecated Use NativeColorValue instead.
+ */
+export type OpaqueColorValue = NativeColorValue;
+
 /**
  * This type is an object of the properties related to transforms.
  */
-export type TransformStyle = ____TransformStyle_Internal;
+export type TransformsStyle = ____TransformStyle_Internal;
+
+/**
+ * This type holds possible values for the `fontVariant` style property.
+ */
+export type FontVariant = ____FontVariant_Internal;
 
 /**
  * This type should be used as the type for a prop that is passed through
diff --git a/packages/react-native/Libraries/StyleSheet/StyleSheet.js.flow b/packages/react-native/Libraries/StyleSheet/StyleSheet.js.flow
index 857c289d1115..dc213592f72b 100644
--- a/packages/react-native/Libraries/StyleSheet/StyleSheet.js.flow
+++ b/packages/react-native/Libraries/StyleSheet/StyleSheet.js.flow
@@ -14,6 +14,7 @@ import type {
   ____ColorValue_Internal,
   ____DangerouslyImpreciseStyle_Internal,
   ____DangerouslyImpreciseStyleProp_Internal,
+  ____FontVariant_Internal,
   ____ImageStyle_Internal,
   ____ImageStyleProp_Internal,
   ____TextStyle_Internal,
@@ -21,9 +22,14 @@ import type {
   ____TransformStyle_Internal,
   ____ViewStyle_Internal,
   ____ViewStyleProp_Internal,
+  NativeColorValue,
 } from './StyleSheetTypes';
 
-export type {StyleProp} from './StyleSheetTypes';
+export type {
+  StyleProp,
+  BoxShadowValue,
+  FilterFunction,
+} from './StyleSheetTypes';
 
 export type StyleSheetProperties = {
   hairlineWidth: number,
@@ -41,10 +47,20 @@ export type {NativeColorValue} from './StyleSheetTypes';
  */
 export type ColorValue = ____ColorValue_Internal;
 
+/**
+ * Expose the opaque type for NativeColorValue.
+ */
+export type OpaqueColorValue = NativeColorValue;
+
 /**
  * This type is an object of the properties related to transforms.
  */
-export type TransformStyle = ____TransformStyle_Internal;
+export type TransformsStyle = ____TransformStyle_Internal;
+
+/**
+ * This type holds possible values for the `fontVariant` style property.
+ */
+export type FontVariant = ____FontVariant_Internal;
 
 /**
  * This type should be used as the type for a prop that is passed through
diff --git a/packages/react-native/Libraries/StyleSheet/StyleSheetTypes.js b/packages/react-native/Libraries/StyleSheet/StyleSheetTypes.js
index 4490064a9423..20b4b5a4953e 100644
--- a/packages/react-native/Libraries/StyleSheet/StyleSheetTypes.js
+++ b/packages/react-native/Libraries/StyleSheet/StyleSheetTypes.js
@@ -873,7 +873,7 @@ export type ____FontWeight_Internal =
   | 'heavy'
   | 'black';
 
-export type ____FontVariantArray_Internal = $ReadOnlyArray<
+export type ____FontVariant_Internal =
   | 'small-caps'
   | 'oldstyle-nums'
   | 'lining-nums'
@@ -906,8 +906,10 @@ export type ____FontVariantArray_Internal = $ReadOnlyArray<
   | 'stylistic-seventeen'
   | 'stylistic-eighteen'
   | 'stylistic-nineteen'
-  | 'stylistic-twenty',
->;
+  | 'stylistic-twenty';
+
+export type ____FontVariantArray_Internal =
+  $ReadOnlyArray<____FontVariant_Internal>;
 
 type ____TextStyle_InternalBase = $ReadOnly<{
   color?: ____ColorValue_Internal,
diff --git a/packages/react-native/Libraries/StyleSheet/private/_TransformStyle.js b/packages/react-native/Libraries/StyleSheet/private/_TransformStyle.js
index 2485acefddba..74aecb7decd0 100644
--- a/packages/react-native/Libraries/StyleSheet/private/_TransformStyle.js
+++ b/packages/react-native/Libraries/StyleSheet/private/_TransformStyle.js
@@ -37,11 +37,11 @@ export type ____TransformStyle_Internal = $ReadOnly<{
         | {+scale: number | AnimatedNode}
         | {+scaleX: number | AnimatedNode}
         | {+scaleY: number | AnimatedNode}
-        | {+translateX: number | AnimatedNode}
-        | {+translateY: number | AnimatedNode}
+        | {+translateX: number | string | AnimatedNode}
+        | {+translateY: number | string | AnimatedNode}
         | {
             +translate:
-              | [number | AnimatedNode, number | AnimatedNode]
+              | [number | string | AnimatedNode, number | string | AnimatedNode]
               | AnimatedNode,
           }
         | {+skewX: string | AnimatedNode}
diff --git a/packages/react-native/Libraries/Utilities/PlatformTypes.js b/packages/react-native/Libraries/Utilities/PlatformTypes.js
index d07a09b7ea84..e5f90cfe4985 100644
--- a/packages/react-native/Libraries/Utilities/PlatformTypes.js
+++ b/packages/react-native/Libraries/Utilities/PlatformTypes.js
@@ -16,11 +16,17 @@ export type PlatformOSType =
   | 'web'
   | 'native';
 
-export type PlatformSelectSpec<T> = {
-  default?: T,
-  [PlatformOSType]: T,
+type OptionalPlatformSelectSpec<T> = {
+  [_key in PlatformOSType]?: T,
 };
 
+export type PlatformSelectSpec<T> =
+  | {
+      ...OptionalPlatformSelectSpec<T>,
+      default: T,
+    }
+  | OptionalPlatformSelectSpec<T>;
+
 type IOSPlatform = {
   __constants: null,
   OS: 'ios',
diff --git a/packages/react-native/Libraries/__tests__/__snapshots__/public-api-test.js.snap b/packages/react-native/Libraries/__tests__/__snapshots__/public-api-test.js.snap
index 2f48c75eb0da..4440058af04c 100644
--- a/packages/react-native/Libraries/__tests__/__snapshots__/public-api-test.js.snap
+++ b/packages/react-native/Libraries/__tests__/__snapshots__/public-api-test.js.snap
@@ -7370,9 +7370,15 @@ declare export function normalizeRect(rectOrSize: ?RectOrSize): ?Rect;
 
 exports[`public API should not change unintentionally Libraries/StyleSheet/StyleSheet.js 1`] = `
 "declare const StyleSheet: StyleSheetExports;
-export type { NativeColorValue } from \\"./StyleSheetTypes\\";
+export type {
+  BoxShadowValue,
+  NativeColorValue,
+  FilterFunction,
+} from \\"./StyleSheetTypes\\";
 export type ColorValue = ____ColorValue_Internal;
-export type TransformStyle = ____TransformStyle_Internal;
+export type OpaqueColorValue = NativeColorValue;
+export type TransformsStyle = ____TransformStyle_Internal;
+export type FontVariant = ____FontVariant_Internal;
 export type ViewStyleProp = ____ViewStyleProp_Internal;
 export type TextStyleProp = ____TextStyleProp_Internal;
 export type ImageStyleProp = ____ImageStyleProp_Internal;
@@ -7391,14 +7397,20 @@ declare export default typeof StyleSheet;
 
 exports[`public API should not change unintentionally Libraries/StyleSheet/StyleSheet.js.flow 1`] = `
 "export * as default from \\"./StyleSheetExports\\";
-export type { StyleProp } from \\"./StyleSheetTypes\\";
+export type {
+  StyleProp,
+  BoxShadowValue,
+  FilterFunction,
+} from \\"./StyleSheetTypes\\";
 export type StyleSheetProperties = {
   hairlineWidth: number,
   flatten<T: string>(style: T): T,
 };
 export type { NativeColorValue } from \\"./StyleSheetTypes\\";
 export type ColorValue = ____ColorValue_Internal;
-export type TransformStyle = ____TransformStyle_Internal;
+export type OpaqueColorValue = NativeColorValue;
+export type TransformsStyle = ____TransformStyle_Internal;
+export type FontVariant = ____FontVariant_Internal;
 export type ViewStyleProp = ____ViewStyleProp_Internal;
 export type TextStyleProp = ____TextStyleProp_Internal;
 export type ImageStyleProp = ____ImageStyleProp_Internal;
@@ -7741,7 +7753,7 @@ export type ____FontWeight_Internal =
   | \\"condensed\\"
   | \\"heavy\\"
   | \\"black\\";
-export type ____FontVariantArray_Internal = $ReadOnlyArray<
+export type ____FontVariant_Internal =
   | \\"small-caps\\"
   | \\"oldstyle-nums\\"
   | \\"lining-nums\\"
@@ -7774,8 +7786,9 @@ export type ____FontVariantArray_Internal = $ReadOnlyArray<
   | \\"stylistic-seventeen\\"
   | \\"stylistic-eighteen\\"
   | \\"stylistic-nineteen\\"
-  | \\"stylistic-twenty\\",
->;
+  | \\"stylistic-twenty\\";
+export type ____FontVariantArray_Internal =
+  $ReadOnlyArray<____FontVariant_Internal>;
 type ____TextStyle_InternalBase = $ReadOnly<{
   color?: ____ColorValue_Internal,
   fontFamily?: string,
@@ -7918,11 +7931,11 @@ exports[`public API should not change unintentionally Libraries/StyleSheet/priva
         | { +scale: number | AnimatedNode }
         | { +scaleX: number | AnimatedNode }
         | { +scaleY: number | AnimatedNode }
-        | { +translateX: number | AnimatedNode }
-        | { +translateY: number | AnimatedNode }
+        | { +translateX: number | string | AnimatedNode }
+        | { +translateY: number | string | AnimatedNode }
         | {
             +translate:
-              | [number | AnimatedNode, number | AnimatedNode]
+              | [number | string | AnimatedNode, number | string | AnimatedNode]
               | AnimatedNode,
           }
         | { +skewX: string | AnimatedNode }
@@ -8676,10 +8689,15 @@ exports[`public API should not change unintentionally Libraries/Utilities/Platfo
   | \\"windows\\"
   | \\"web\\"
   | \\"native\\";
-export type PlatformSelectSpec<T> = {
-  default?: T,
-  [PlatformOSType]: T,
+type OptionalPlatformSelectSpec<T> = {
+  [_key in PlatformOSType]?: T,
 };
+export type PlatformSelectSpec<T> =
+  | {
+      ...OptionalPlatformSelectSpec<T>,
+      default: T,
+    }
+  | OptionalPlatformSelectSpec<T>;
 type IOSPlatform = {
   OS: \\"ios\\",
   get Version(): string,