Bump folly to 2024.10.14.00

change/react-native-windows-4080fb51-cbec-4c0c-b2e6-3a14a8be8965.json

@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "merge in folly 2024.10.14.00",
+  "packageName": "react-native-windows",
+  "email": "tatianakapos@microsoft.com",
+  "dependentChangeType": "patch"
+}

packages/playground/windows/playground/packages.lock.json

@@ -2,153 +2,29 @@
   "version": 1,
   "dependencies": {
     "native,Version=v0.0": {
-      "Microsoft.JavaScript.Hermes": {
+      "Microsoft.Windows.CppWinRT": {
         "type": "Direct",
-        "requested": "[0.1.23, )",
-        "resolved": "0.1.23",
-        "contentHash": "cA9t1GjY4Yo0JD1AfA//e1lOwk48hLANfuX6GXrikmEBNZVr2TIX5ONJt5tqCnpZyLz6xGiPDgTfFNKbSfb21g=="
+        "requested": "[2.0.210312.4, 2.0.210312.4]",
+        "resolved": "2.0.210312.4",
+        "contentHash": "uRxz7Z8Scm7A2JjaaxCzQWTMrQC9RvXYhb7RU8pSqGo/0i0aPJszUeA3N6EhcJU5+FsDr2xzk2iln0x2Lwa6AA=="
       },
       "Microsoft.UI.Xaml": {
         "type": "Direct",
-        "requested": "[2.8.0, )",
+        "requested": "[2.8.0, 2.8.0]",
         "resolved": "2.8.0",
-        "contentHash": "vxdHxTr63s5KVtNddMFpgvjBjUH50z7seq/5jLWmmSuf8poxg+sXrywkofUdE8ZstbpO9y3FL/IXXUcPYbeesA==",
-        "dependencies": {
-          "Microsoft.Web.WebView2": "1.0.1264.42"
-        }
+        "contentHash": "vxdHxTr63s5KVtNddMFpgvjBjUH50z7seq/5jLWmmSuf8poxg+sXrywkofUdE8ZstbpO9y3FL/IXXUcPYbeesA=="
       },
-      "Microsoft.Windows.CppWinRT": {
+      "Microsoft.WinUI": {
         "type": "Direct",
-        "requested": "[2.0.230706.1, )",
-        "resolved": "2.0.230706.1",
-        "contentHash": "l0D7oCw/5X+xIKHqZTi62TtV+1qeSz7KVluNFdrJ9hXsst4ghvqQ/Yhura7JqRdZWBXAuDS0G0KwALptdoxweQ=="
-      },
-      "boost": {
-        "type": "Transitive",
-        "resolved": "1.83.0",
-        "contentHash": "cy53VNMzysEMvhBixDe8ujPk67Fcj3v6FPHQnH91NYJNLHpc6jxa2xq9ruCaaJjE4M3YrGSHDi4uUSTGBWw6EQ=="
-      },
-      "Microsoft.Build.Tasks.Git": {
-        "type": "Transitive",
-        "resolved": "1.1.1",
-        "contentHash": "AT3HlgTjsqHnWpBHSNeR0KxbLZD7bztlZVj7I8vgeYG9SYqbeFGh0TM/KVtC6fg53nrWHl3VfZFvb5BiQFcY6Q=="
-      },
-      "Microsoft.SourceLink.Common": {
-        "type": "Transitive",
-        "resolved": "1.1.1",
-        "contentHash": "WMcGpWKrmJmzrNeuaEb23bEMnbtR/vLmvZtkAP5qWu7vQsY59GqfRJd65sFpBszbd2k/bQ8cs8eWawQKAabkVg=="
-      },
-      "Microsoft.SourceLink.GitHub": {
-        "type": "Transitive",
-        "resolved": "1.1.1",
-        "contentHash": "IaJGnOv/M7UQjRJks7B6p7pbPnOwisYGOIzqCz5ilGFTApZ3ktOR+6zJ12ZRPInulBmdAf1SrGdDG2MU8g6XTw==",
-        "dependencies": {
-          "Microsoft.Build.Tasks.Git": "1.1.1",
-          "Microsoft.SourceLink.Common": "1.1.1"
-        }
-      },
-      "Microsoft.Web.WebView2": {
-        "type": "Transitive",
-        "resolved": "1.0.1264.42",
-        "contentHash": "7OBUTkzQ5VI/3gb0ufi5U4zjuCowAJwQg2li0zXXzqkM+S1kmOlivTy1R4jAW+gY5Vyg510M+qMAESCQUjrfgA=="
-      },
-      "common": {
-        "type": "Project",
-        "dependencies": {
-          "boost": "[1.83.0, )"
-        }
-      },
-      "fmt": {
-        "type": "Project"
-      },
-      "folly": {
-        "type": "Project",
-        "dependencies": {
-          "boost": "[1.83.0, )",
-          "fmt": "[1.0.0, )"
-        }
-      },
-      "microsoft.reactnative": {
-        "type": "Project",
-        "dependencies": {
-          "Common": "[1.0.0, )",
-          "Folly": "[1.0.0, )",
-          "Microsoft.JavaScript.Hermes": "[0.1.23, )",
-          "Microsoft.SourceLink.GitHub": "[1.1.1, )",
-          "Microsoft.UI.Xaml": "[2.8.0, )",
-          "ReactCommon": "[1.0.0, )",
-          "boost": "[1.83.0, )"
-        }
+        "requested": "[3.0.0-preview4.210210.4, 3.0.0-preview4.210210.4]",
+        "resolved": "3.0.0-preview4.210210.4",
+        "contentHash": "fMo1Llbprv3+7nVyUvBxc/lQtMmwBFCGHdeH7sTPIeFKPneNOs0qW2XqnYBorGRRitbPUxxmLKgxOM8zR5dAgA=="
       },
-      "playgroundnativemodules": {
-        "type": "Project",
-        "dependencies": {
-          "Microsoft.ReactNative": "[1.0.0, )",
-          "Microsoft.UI.Xaml": "[2.8.0, )"
-        }
-      },
-      "reactcommon": {
-        "type": "Project",
-        "dependencies": {
-          "Folly": "[1.0.0, )",
-          "boost": "[1.83.0, )"
-        }
-      },
-      "reactnativepicker": {
-        "type": "Project",
-        "dependencies": {
-          "Microsoft.ReactNative": "[1.0.0, )",
-          "Microsoft.UI.Xaml": "[2.8.0, )"
-        }
-      }
-    },
-    "native,Version=v0.0/win10-arm": {
-      "Microsoft.Web.WebView2": {
-        "type": "Transitive",
-        "resolved": "1.0.1264.42",
-        "contentHash": "7OBUTkzQ5VI/3gb0ufi5U4zjuCowAJwQg2li0zXXzqkM+S1kmOlivTy1R4jAW+gY5Vyg510M+qMAESCQUjrfgA=="
-      }
-    },
-    "native,Version=v0.0/win10-arm-aot": {
-      "Microsoft.Web.WebView2": {
-        "type": "Transitive",
-        "resolved": "1.0.1264.42",
-        "contentHash": "7OBUTkzQ5VI/3gb0ufi5U4zjuCowAJwQg2li0zXXzqkM+S1kmOlivTy1R4jAW+gY5Vyg510M+qMAESCQUjrfgA=="
-      }
-    },
-    "native,Version=v0.0/win10-arm64-aot": {
-      "Microsoft.Web.WebView2": {
-        "type": "Transitive",
-        "resolved": "1.0.1264.42",
-        "contentHash": "7OBUTkzQ5VI/3gb0ufi5U4zjuCowAJwQg2li0zXXzqkM+S1kmOlivTy1R4jAW+gY5Vyg510M+qMAESCQUjrfgA=="
-      }
-    },
-    "native,Version=v0.0/win10-x64": {
-      "Microsoft.Web.WebView2": {
-        "type": "Transitive",
-        "resolved": "1.0.1264.42",
-        "contentHash": "7OBUTkzQ5VI/3gb0ufi5U4zjuCowAJwQg2li0zXXzqkM+S1kmOlivTy1R4jAW+gY5Vyg510M+qMAESCQUjrfgA=="
-      }
-    },
-    "native,Version=v0.0/win10-x64-aot": {
-      "Microsoft.Web.WebView2": {
-        "type": "Transitive",
-        "resolved": "1.0.1264.42",
-        "contentHash": "7OBUTkzQ5VI/3gb0ufi5U4zjuCowAJwQg2li0zXXzqkM+S1kmOlivTy1R4jAW+gY5Vyg510M+qMAESCQUjrfgA=="
-      }
-    },
-    "native,Version=v0.0/win10-x86": {
-      "Microsoft.Web.WebView2": {
-        "type": "Transitive",
-        "resolved": "1.0.1264.42",
-        "contentHash": "7OBUTkzQ5VI/3gb0ufi5U4zjuCowAJwQg2li0zXXzqkM+S1kmOlivTy1R4jAW+gY5Vyg510M+qMAESCQUjrfgA=="
-      }
-    },
-    "native,Version=v0.0/win10-x86-aot": {
-      "Microsoft.Web.WebView2": {
-        "type": "Transitive",
-        "resolved": "1.0.1264.42",
-        "contentHash": "7OBUTkzQ5VI/3gb0ufi5U4zjuCowAJwQg2li0zXXzqkM+S1kmOlivTy1R4jAW+gY5Vyg510M+qMAESCQUjrfgA=="
+      "Microsoft.JavaScript.Hermes": {
+        "type": "Direct",
+        "requested": "[0.1.15, 0.1.15]",
+        "resolved": "0.1.15",
+        "contentHash": "My/u5RvxoymtwWokoweU6iVpuP79w271UjadcmSNqnQ9ESIv00tlVP4sHnIiN3t2lJNDeciyE1EVF4swGPECKQ=="
       }
     }
   }

vnext/Desktop.DLL/react-native-win32.x64.def

@@ -5,12 +5,9 @@
 ; **************************************************************************************************
 
 EXPORTS
-??0dynamic@folly@@QEAA@$$QEAU01@@Z
 ??8folly@@YA_NAEBUdynamic@0@0@Z
 ??4dynamic@folly@@QEAAAEAU01@$$QEAU01@@Z
-?hash@dynamic@folly@@QEBA_KXZ
 ??Mfolly@@YA_NAEBUdynamic@0@0@Z
-?destroy@dynamic@folly@@AEAAXXZ
 ??0TypeError@folly@@QEAA@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@W4Type@dynamic@1@@Z
 ??0dynamic@folly@@QEAA@AEBU01@@Z
 ??$safe_assert_terminate@$0A@@detail@folly@@YAXPEBUsafe_assert_arg@01@ZZ
@@ -29,7 +26,6 @@ EXPORTS
 ?Make@IWebSocketResource@Networking@React@Microsoft@@SA?AV?$shared_ptr@UIWebSocketResource@Networking@React@Microsoft@@@std@@XZ
 ?Make@JSBigAbiString@react@facebook@@SA?AV?$unique_ptr@$$CBUJSBigAbiString@react@facebook@@U?$default_delete@$$CBUJSBigAbiString@react@facebook@@@std@@@std@@$$QEAV?$unique_ptr@U?$IAbiArray@D@AbiSafe@@UAbiObjectDeleter@2@@5@@Z
 ?at@dynamic@folly@@QEGBAAEBU12@V?$Range@PEBD@2@@Z
-?atImpl@dynamic@folly@@AEGBAAEBU12@AEBU12@@Z
 ?getRuntimeExecutor@Instance@react@facebook@@QEAA?AV?$function@$$A6AX$$QEAV?$function@$$A6AXAEAVRuntime@jsi@facebook@@@Z@std@@@Z@std@@XZ
 ?callJSFunction@Instance@react@facebook@@QEAAX$$QEAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0$$QEAUdynamic@folly@@@Z
 ?createI18nModule@windows@react@@YA?AV?$unique_ptr@VCxxModule@module@xplat@facebook@@U?$default_delete@VCxxModule@module@xplat@facebook@@@std@@@std@@V?$unique_ptr@UII18nModule@windows@react@@U?$default_delete@UII18nModule@windows@react@@@std@@@4@@Z
@@ -40,13 +36,11 @@ EXPORTS
 ?get_ptr@dynamic@folly@@QEGBAPEBU12@V?$Range@PEBD@2@@Z
 ?get_ptrImpl@dynamic@folly@@AEGBAPEBU12@AEBU12@@Z
 ?loadScriptFromString@Instance@react@facebook@@QEAAXV?$unique_ptr@$$CBVJSBigString@react@facebook@@U?$default_delete@$$CBVJSBigString@react@facebook@@@std@@@std@@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@_N@Z
-?makeConversionError@folly@@YA?AVConversionError@1@W4ConversionCode@1@V?$Range@PEBD@1@@Z
 ?moduleNames@ModuleRegistry@react@facebook@@QEAA?AV?$vector@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$allocator@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@2@@std@@XZ
 ?assertionFailure@detail@folly@@YAXPEBD00I0H@Z
 ?parseJson@folly@@YA?AUdynamic@1@V?$Range@PEBD@1@@Z
 ?setGlobalVariable@Instance@react@facebook@@QEAAXV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$unique_ptr@$$CBVJSBigString@react@facebook@@U?$default_delete@$$CBVJSBigString@react@facebook@@@std@@@5@@Z
 ?size@dynamic@folly@@QEBA_KXZ
-?str_to_bool@detail@folly@@YA?AV?$Expected@_NW4ConversionCode@folly@@@2@PEAV?$Range@PEBD@2@@Z
 ?toJson@folly@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBUdynamic@1@@Z
 ?typeName@dynamic@folly@@QEBAPEBDXZ
 ?Utf16ToUtf8@Unicode@Common@Microsoft@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@5@@Z

vnext/Desktop.DLL/react-native-win32.x86.def

@@ -5,12 +5,9 @@
 ; **************************************************************************************************
 
 EXPORTS
-??0dynamic@folly@@QAE@$$QAU01@@Z
 ??8folly@@YG_NABUdynamic@0@0@Z
 ??Mfolly@@YG_NABUdynamic@0@0@Z
 ??4dynamic@folly@@QAEAAU01@$$QAU01@@Z
-?hash@dynamic@folly@@QBEIXZ
-?destroy@dynamic@folly@@AAEXXZ
 ??0TypeError@folly@@QAE@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@W4Type@dynamic@1@@Z
 ??0dynamic@folly@@QAE@ABU01@@Z
 ??4dynamic@folly@@QAEAAU01@ABU01@@Z
@@ -30,7 +27,6 @@ EXPORTS
 ?Make@JSBigAbiString@react@facebook@@SG?AV?$unique_ptr@$$CBUJSBigAbiString@react@facebook@@U?$default_delete@$$CBUJSBigAbiString@react@facebook@@@std@@@std@@$$QAV?$unique_ptr@U?$IAbiArray@D@AbiSafe@@UAbiObjectDeleter@2@@5@@Z
 ?moduleNames@ModuleRegistry@react@facebook@@QAE?AV?$vector@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$allocator@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@2@@std@@XZ
 ?at@dynamic@folly@@QGBEABU12@V?$Range@PBD@2@@Z
-?atImpl@dynamic@folly@@AGBEABU12@ABU12@@Z
 ?getRuntimeExecutor@Instance@react@facebook@@QAE?AV?$function@$$A6GX$$QAV?$function@$$A6GXAAVRuntime@jsi@facebook@@@Z@std@@@Z@std@@XZ
 ?callJSFunction@Instance@react@facebook@@QAEX$$QAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0$$QAUdynamic@folly@@@Z
 ?createI18nModule@windows@react@@YG?AV?$unique_ptr@VCxxModule@module@xplat@facebook@@U?$default_delete@VCxxModule@module@xplat@facebook@@@std@@@std@@V?$unique_ptr@UII18nModule@windows@react@@U?$default_delete@UII18nModule@windows@react@@@std@@@4@@Z
@@ -40,11 +36,9 @@ EXPORTS
 ?get_ptr@dynamic@folly@@QGBEPBU12@V?$Range@PBD@2@@Z
 ?get_ptrImpl@dynamic@folly@@AGBEPBU12@ABU12@@Z
 ?loadScriptFromString@Instance@react@facebook@@QAEXV?$unique_ptr@$$CBVJSBigString@react@facebook@@U?$default_delete@$$CBVJSBigString@react@facebook@@@std@@@std@@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@_N@Z
-?makeConversionError@folly@@YG?AVConversionError@1@W4ConversionCode@1@V?$Range@PBD@1@@Z
 ?parseJson@folly@@YG?AUdynamic@1@V?$Range@PBD@1@@Z
 ?setGlobalVariable@Instance@react@facebook@@QAEXV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$unique_ptr@$$CBVJSBigString@react@facebook@@U?$default_delete@$$CBVJSBigString@react@facebook@@@std@@@5@@Z
 ?size@dynamic@folly@@QBEIXZ
-?str_to_bool@detail@folly@@YG?AV?$Expected@_NW4ConversionCode@folly@@@2@PAV?$Range@PBD@2@@Z
 ?toJson@folly@@YG?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@ABUdynamic@1@@Z
 ?typeName@dynamic@folly@@QBEPBDXZ
 ?Utf16ToUtf8@Unicode@Common@Microsoft@@YG?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@ABV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@5@@Z

vnext/Directory.Build.props

@@ -19,9 +19,10 @@
     -->
     <EnableSourceLink Condition="'$(EnableSourceLink)' == '' AND '$(BuildingInRnwRepo)' == 'true'">true</EnableSourceLink>
     <EnableSourceLink Condition="'$(EnableSourceLink)' == ''">false</EnableSourceLink>
-    <!-- When bumping the Folly version, be sure to bump the git hash of that version's commit and build Folly.vcxproj (to update its cgmanifest.json) too. -->
-    <FollyVersion>2024.01.01.00</FollyVersion>
-    <FollyCommitHash>234d39a36a43106747d10cc19efada72fd810dd3</FollyCommitHash>
+    <!-- When bumping the Folly version, be sure to bump the git hash of that version's commit, find the matching fastfloat dependency and build Folly.vcxproj (to update its cgmanifest.json) too. -->
+    <FollyVersion>2024.10.14.00</FollyVersion>
+    <FastFloatVersion>6.1.4</FastFloatVersion>
+    <FollyCommitHash>ad90720829db5ba0c3d0e44994856dcce33d7940</FollyCommitHash>
     <!-- When bumping the fmt version, be sure to bump the git hash of that version's commit and build fmt.vcxproj (to update its cgmanifest.json) too. -->
     <FmtVersion>10.1.0</FmtVersion>
     <FmtCommitHash>ca2e3685b160617d3d95fcd9e789c4e06ca88</FmtCommitHash>

vnext/Folly/Folly.vcxproj

@@ -63,7 +63,7 @@
     <ClCompile Include="$(FollyDir)\folly\system\ThreadId.cpp" />
     <ClCompile Include="$(FollyDir)\folly\lang\SafeAssert.cpp" />
     <ClCompile Include="$(FollyDir)\folly\lang\ToAscii.cpp" />
-    <ClCompile Include="$(FollyDir)\folly\json_pointer.cpp" />
+    <ClCompile Include="$(FollyDir)\folly\json\json_pointer.cpp" />
     <ClCompile Include="$(FollyDir)\folly\Format.cpp" />
     <ClCompile Include="$(FollyDir)\folly\String.cpp" />
     <ClCompile Include="$(FollyDir)\folly\container\detail\F14Table.cpp" />
@@ -72,7 +72,7 @@
       <ObjectFileName>$(IntDir)\portabilityString.obj</ObjectFileName>
     </ClCompile>
     <ClCompile Include="$(FollyDir)\folly\Demangle.cpp" />
-    <ClCompile Include="$(FollyDir)\folly\dynamic.cpp" />
+    <ClCompile Include="$(FollyDir)\folly\json\dynamic.cpp" />
     <ClCompile Include="$(FollyDir)\folly\json.cpp" />
     <ClCompile Include="$(FollyDir)\folly\hash\SpookyHashV2.cpp" />
     <ClCompile Include="$(FollyDir)\folly\ScopeGuard.cpp" />
@@ -105,7 +105,7 @@
     <ClInclude Include="$(FollyDir)\folly\Demangle.h" />
     <ClInclude Include="$(FollyDir)\folly\detail\AtomicHashUtils.h" />
     <ClInclude Include="$(FollyDir)\folly\detail\AtomicUnorderedMapUtils.h" />
-    <ClInclude Include="$(FollyDir)\folly\detail\CacheLocality.h" />
+    <ClInclude Include="$(FollyDir)\folly\concurrency\CacheLocality.h" />
     <ClInclude Include="$(FollyDir)\folly\detail\DiscriminatedPtrDetail.h" />
     <ClInclude Include="$(FollyDir)\folly\detail\FileUtilDetail.h" />
     <ClInclude Include="$(FollyDir)\folly\detail\FingerprintPolynomial.h" />
@@ -126,6 +126,9 @@
     <ClInclude Include="$(FollyDir)\folly\dynamic-inl.h" />
     <ClInclude Include="$(FollyDir)\folly\dynamic.h" />
     <ClInclude Include="$(FollyDir)\folly\DynamicConverter.h" />
+    <ClInclude Include="$(FollyDir)\folly\json\dynamic-inl.h" />
+    <ClInclude Include="$(FollyDir)\folly\json\dynamic.h" />
+    <ClInclude Include="$(FollyDir)\folly\json\DynamicConverter.h" />
     <ClInclude Include="$(FollyDir)\folly\Exception.h" />
     <ClInclude Include="$(FollyDir)\folly\ExceptionString.h" />
     <ClInclude Include="$(FollyDir)\folly\ExceptionWrapper.h" />
@@ -219,6 +222,10 @@
     <ClInclude Include="$(FollyDir)\folly\SpinLock.h" />
     <ClInclude Include="$(FollyDir)\folly\stop_watch.h" />
     <ClInclude Include="$(FollyDir)\folly\String-inl.h" />
+    <ClInclude Include="$(FollyDir)\hash\MurmurHash.h" />
+    <ClInclude Include="$(FollyDir)\hash\SpookyHashV1.h" />
+    <ClInclude Include="$(FollyDir)\hash\SpookyHashV2.h" />
+    <ClInclude Include="$(FollyDir)\functional\ApplyTuple.h" />
     <ClInclude Include="$(FollyDir)\folly\String.h" />
     <ClInclude Include="$(FollyDir)\folly\Subprocess.h" />
     <ClInclude Include="$(FollyDir)\folly\Synchronized.h" />
@@ -233,7 +240,9 @@
     <ClInclude Include="$(FollyDir)\folly\Unit.h" />
     <ClInclude Include="$(FollyDir)\folly\Uri-inl.h" />
     <ClInclude Include="$(FollyDir)\folly\Uri.h" />
+    <ClInclude Include="$(FollyDir)\folly\Utility.h" />
     <ClInclude Include="$(FollyDir)\folly\Varint.h" />
+    <ClInclude Include="$(FollyDir)\..\fast_float-6.1.4\include\fast_float\fast_float.h" />
     <ClInclude Include="pch.h" />
   </ItemGroup>
   <ItemGroup>
@@ -261,7 +270,7 @@
       <PrecompiledHeader>Use</PrecompiledHeader>
       <CompileAsWinRT>false</CompileAsWinRT>
       <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>$(ReactNativeWindowsDir)stubs;$(FollyDir);$(FmtDir)\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ReactNativeWindowsDir)stubs;$(FollyDir);$(FollyDir)\..\fast_float-6.1.4\include;$(FmtDir)\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>FOLLY_CFG_NO_COROUTINES;FOLLY_NO_CONFIG;NOMINMAX;_CRT_SECURE_NO_WARNINGS;WINAPI_PARTITION_APP;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ForcedUsingFiles />
       <DisableSpecificWarnings>4251;4293;4305;4800;4804;4310;%(DisableSpecificWarnings)</DisableSpecificWarnings>
@@ -281,6 +290,10 @@
     <FollyZipFile>$(FollyZipDir)\folly-$(FollyVersion).zip</FollyZipFile>
     <CGManifestFile>$(MSBuildThisFileDirectory)cgmanifest.json</CGManifestFile>
   </PropertyGroup>
+  <PropertyGroup>
+    <FastFloatZipDir>$(FollyDir)..\.fastfloatzip</FastFloatZipDir>
+    <FastFloatZipFile>$(FollyDir)..\.fastfloatzip\fastfloat.zip</FastFloatZipFile>
+  </PropertyGroup>
   <Target Name="DownloadFolly" BeforeTargets="PrepareForBuild" Inputs="$(FollyZipFile)" Outputs="$(FollyZipFile)">
     <Message Importance="High" Text="Downloading folly..." />
     <DownloadFile
@@ -289,6 +302,14 @@
       DestinationFolder="$(FollyZipDir)"
       Retries="10" />
   </Target>
+  <Target Name="DownloadFastFloat" BeforeTargets="PrepareForBuild" Inputs="$(FastFloatZipFile)" Outputs="$(FastFloatZipFile)">
+    <Message Importance="High" Text="Downloading FastFloat (folly dependency)..." />
+    <DownloadFile
+      SourceUrl="https://github.com/fastfloat/fast_float/archive/refs/tags/v$(FastFloatVersion).zip"
+      DestinationFileName="$(FastFloatZipFile)"
+      DestinationFolder="$(FastFloatZipDir)"
+      Retries="10" />
+  </Target>
   <Target Name="UnzipFolly" BeforeTargets="PrepareForBuild" DependsOnTargets="DownloadFolly">
     <Message Condition="!Exists('$(FollyDir)folly\dynamic.h')" Importance="High" Text="Unzipping folly to $([MSBuild]::NormalizePath($(FollyDir)..))." />
     <Unzip
@@ -297,6 +318,14 @@
       DestinationFolder="$([MSBuild]::NormalizePath($(FollyDir)..))"
       OverwriteReadOnlyFiles="true" />
   </Target>
+  <Target Name="UnzipFastFloat" BeforeTargets="PrepareForBuild" DependsOnTargets="DownloadFastFloat">
+    <Message Condition="!Exists('$(FastFloatZipDir)\include\fast_float.h')" Importance="High" Text="Unzipping FastFloat to $([MSBuild]::NormalizePath($(FastFloatZipDir)..))." />
+    <Unzip
+      Condition="!Exists('$(FastFloatZipDir)\include\fast_float.h')"
+      SourceFiles="$(FastFloatZipFile)"
+      DestinationFolder="$([MSBuild]::NormalizePath($(FollyDir)..))"
+      OverwriteReadOnlyFiles="true" />
+  </Target>
   <Target Name="WriteCGManifest" BeforeTargets="PrepareForBuild" DependsOnTargets="DownloadFolly" Inputs="$(FollyZipFile)" Outputs="$(CGManifestFile)">
     <PropertyGroup>
       <CGManifestText>{