diff --git a/examples/DemoRunner/Builds/Android/app/CMakeLists.txt b/examples/DemoRunner/Builds/Android/app/CMakeLists.txt
index 8e5e2d5efa..84338565af 100644
--- a/examples/DemoRunner/Builds/Android/app/CMakeLists.txt
+++ b/examples/DemoRunner/Builds/Android/app/CMakeLists.txt
@@ -2409,6 +2409,7 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_gui_extra/misc/juce_SystemTrayIconComponent.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.h"
+    "../../../../../modules/juce_gui_extra/misc/juce_WebControlParameterIndexReceiver.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.h"
     "../../../../../modules/juce_gui_extra/native/juce_ActiveXComponent_windows.cpp"
@@ -4902,6 +4903,7 @@ set_source_files_properties(
     "../../../../../modules/juce_gui_extra/misc/juce_SystemTrayIconComponent.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.h"
+    "../../../../../modules/juce_gui_extra/misc/juce_WebControlParameterIndexReceiver.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.h"
     "../../../../../modules/juce_gui_extra/native/juce_ActiveXComponent_windows.cpp"
diff --git a/examples/DemoRunner/Builds/VisualStudio2017/DemoRunner_App.vcxproj b/examples/DemoRunner/Builds/VisualStudio2017/DemoRunner_App.vcxproj
index 5f12c12407..a004cd37b1 100644
--- a/examples/DemoRunner/Builds/VisualStudio2017/DemoRunner_App.vcxproj
+++ b/examples/DemoRunner/Builds/VisualStudio2017/DemoRunner_App.vcxproj
@@ -4473,6 +4473,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/examples/DemoRunner/Builds/VisualStudio2017/DemoRunner_App.vcxproj.filters b/examples/DemoRunner/Builds/VisualStudio2017/DemoRunner_App.vcxproj.filters
index b5d2e400d9..19daf5d4f7 100644
--- a/examples/DemoRunner/Builds/VisualStudio2017/DemoRunner_App.vcxproj.filters
+++ b/examples/DemoRunner/Builds/VisualStudio2017/DemoRunner_App.vcxproj.filters
@@ -8049,6 +8049,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
diff --git a/examples/DemoRunner/Builds/VisualStudio2019/DemoRunner_App.vcxproj b/examples/DemoRunner/Builds/VisualStudio2019/DemoRunner_App.vcxproj
index 6750da48a5..c559faf438 100644
--- a/examples/DemoRunner/Builds/VisualStudio2019/DemoRunner_App.vcxproj
+++ b/examples/DemoRunner/Builds/VisualStudio2019/DemoRunner_App.vcxproj
@@ -4473,6 +4473,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/examples/DemoRunner/Builds/VisualStudio2019/DemoRunner_App.vcxproj.filters b/examples/DemoRunner/Builds/VisualStudio2019/DemoRunner_App.vcxproj.filters
index d9a24a25e4..913290102c 100644
--- a/examples/DemoRunner/Builds/VisualStudio2019/DemoRunner_App.vcxproj.filters
+++ b/examples/DemoRunner/Builds/VisualStudio2019/DemoRunner_App.vcxproj.filters
@@ -8049,6 +8049,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
diff --git a/examples/DemoRunner/Builds/VisualStudio2022/DemoRunner_App.vcxproj b/examples/DemoRunner/Builds/VisualStudio2022/DemoRunner_App.vcxproj
index ff09988fa3..064a2577e8 100644
--- a/examples/DemoRunner/Builds/VisualStudio2022/DemoRunner_App.vcxproj
+++ b/examples/DemoRunner/Builds/VisualStudio2022/DemoRunner_App.vcxproj
@@ -4473,6 +4473,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/examples/DemoRunner/Builds/VisualStudio2022/DemoRunner_App.vcxproj.filters b/examples/DemoRunner/Builds/VisualStudio2022/DemoRunner_App.vcxproj.filters
index e151fe43aa..2860431293 100644
--- a/examples/DemoRunner/Builds/VisualStudio2022/DemoRunner_App.vcxproj.filters
+++ b/examples/DemoRunner/Builds/VisualStudio2022/DemoRunner_App.vcxproj.filters
@@ -8049,6 +8049,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
diff --git a/extras/AudioPerformanceTest/Builds/Android/app/CMakeLists.txt b/extras/AudioPerformanceTest/Builds/Android/app/CMakeLists.txt
index f52ef2b4e5..022e3e70e8 100644
--- a/extras/AudioPerformanceTest/Builds/Android/app/CMakeLists.txt
+++ b/extras/AudioPerformanceTest/Builds/Android/app/CMakeLists.txt
@@ -2171,6 +2171,7 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_gui_extra/misc/juce_SystemTrayIconComponent.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.h"
+    "../../../../../modules/juce_gui_extra/misc/juce_WebControlParameterIndexReceiver.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.h"
     "../../../../../modules/juce_gui_extra/native/juce_ActiveXComponent_windows.cpp"
@@ -4346,6 +4347,7 @@ set_source_files_properties(
     "../../../../../modules/juce_gui_extra/misc/juce_SystemTrayIconComponent.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.h"
+    "../../../../../modules/juce_gui_extra/misc/juce_WebControlParameterIndexReceiver.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.h"
     "../../../../../modules/juce_gui_extra/native/juce_ActiveXComponent_windows.cpp"
diff --git a/extras/AudioPerformanceTest/Builds/VisualStudio2022/AudioPerformanceTest_App.vcxproj b/extras/AudioPerformanceTest/Builds/VisualStudio2022/AudioPerformanceTest_App.vcxproj
index 854c1adbb6..02275dd2b3 100644
--- a/extras/AudioPerformanceTest/Builds/VisualStudio2022/AudioPerformanceTest_App.vcxproj
+++ b/extras/AudioPerformanceTest/Builds/VisualStudio2022/AudioPerformanceTest_App.vcxproj
@@ -3944,6 +3944,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/extras/AudioPerformanceTest/Builds/VisualStudio2022/AudioPerformanceTest_App.vcxproj.filters b/extras/AudioPerformanceTest/Builds/VisualStudio2022/AudioPerformanceTest_App.vcxproj.filters
index faee6c9e8d..625077cbcb 100644
--- a/extras/AudioPerformanceTest/Builds/VisualStudio2022/AudioPerformanceTest_App.vcxproj.filters
+++ b/extras/AudioPerformanceTest/Builds/VisualStudio2022/AudioPerformanceTest_App.vcxproj.filters
@@ -7104,6 +7104,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
diff --git a/extras/AudioPluginHost/Builds/Android/app/CMakeLists.txt b/extras/AudioPluginHost/Builds/Android/app/CMakeLists.txt
index dbbd867088..2db13d8724 100644
--- a/extras/AudioPluginHost/Builds/Android/app/CMakeLists.txt
+++ b/extras/AudioPluginHost/Builds/Android/app/CMakeLists.txt
@@ -2301,6 +2301,7 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_gui_extra/misc/juce_SystemTrayIconComponent.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.h"
+    "../../../../../modules/juce_gui_extra/misc/juce_WebControlParameterIndexReceiver.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.h"
     "../../../../../modules/juce_gui_extra/native/juce_ActiveXComponent_windows.cpp"
@@ -4629,6 +4630,7 @@ set_source_files_properties(
     "../../../../../modules/juce_gui_extra/misc/juce_SystemTrayIconComponent.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.h"
+    "../../../../../modules/juce_gui_extra/misc/juce_WebControlParameterIndexReceiver.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.h"
     "../../../../../modules/juce_gui_extra/native/juce_ActiveXComponent_windows.cpp"
diff --git a/extras/AudioPluginHost/Builds/VisualStudio2017/AudioPluginHost_App.vcxproj b/extras/AudioPluginHost/Builds/VisualStudio2017/AudioPluginHost_App.vcxproj
index b554601374..d1d28b87d8 100644
--- a/extras/AudioPluginHost/Builds/VisualStudio2017/AudioPluginHost_App.vcxproj
+++ b/extras/AudioPluginHost/Builds/VisualStudio2017/AudioPluginHost_App.vcxproj
@@ -4177,6 +4177,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/extras/AudioPluginHost/Builds/VisualStudio2017/AudioPluginHost_App.vcxproj.filters b/extras/AudioPluginHost/Builds/VisualStudio2017/AudioPluginHost_App.vcxproj.filters
index 1c4903ca80..254a307670 100644
--- a/extras/AudioPluginHost/Builds/VisualStudio2017/AudioPluginHost_App.vcxproj.filters
+++ b/extras/AudioPluginHost/Builds/VisualStudio2017/AudioPluginHost_App.vcxproj.filters
@@ -7539,6 +7539,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
diff --git a/extras/AudioPluginHost/Builds/VisualStudio2019/AudioPluginHost_App.vcxproj b/extras/AudioPluginHost/Builds/VisualStudio2019/AudioPluginHost_App.vcxproj
index ebda6f4557..540006f0ca 100644
--- a/extras/AudioPluginHost/Builds/VisualStudio2019/AudioPluginHost_App.vcxproj
+++ b/extras/AudioPluginHost/Builds/VisualStudio2019/AudioPluginHost_App.vcxproj
@@ -4177,6 +4177,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/extras/AudioPluginHost/Builds/VisualStudio2019/AudioPluginHost_App.vcxproj.filters b/extras/AudioPluginHost/Builds/VisualStudio2019/AudioPluginHost_App.vcxproj.filters
index 82cdffb73f..2bedbd497d 100644
--- a/extras/AudioPluginHost/Builds/VisualStudio2019/AudioPluginHost_App.vcxproj.filters
+++ b/extras/AudioPluginHost/Builds/VisualStudio2019/AudioPluginHost_App.vcxproj.filters
@@ -7539,6 +7539,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
diff --git a/extras/AudioPluginHost/Builds/VisualStudio2022/AudioPluginHost_App.vcxproj b/extras/AudioPluginHost/Builds/VisualStudio2022/AudioPluginHost_App.vcxproj
index 84d1e40955..a23fe615c3 100644
--- a/extras/AudioPluginHost/Builds/VisualStudio2022/AudioPluginHost_App.vcxproj
+++ b/extras/AudioPluginHost/Builds/VisualStudio2022/AudioPluginHost_App.vcxproj
@@ -4177,6 +4177,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/extras/AudioPluginHost/Builds/VisualStudio2022/AudioPluginHost_App.vcxproj.filters b/extras/AudioPluginHost/Builds/VisualStudio2022/AudioPluginHost_App.vcxproj.filters
index 24aaba3ff9..ea871dc3cc 100644
--- a/extras/AudioPluginHost/Builds/VisualStudio2022/AudioPluginHost_App.vcxproj.filters
+++ b/extras/AudioPluginHost/Builds/VisualStudio2022/AudioPluginHost_App.vcxproj.filters
@@ -7539,6 +7539,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
diff --git a/extras/NetworkGraphicsDemo/Builds/Android/app/CMakeLists.txt b/extras/NetworkGraphicsDemo/Builds/Android/app/CMakeLists.txt
index 988f60e78b..907e246d0a 100644
--- a/extras/NetworkGraphicsDemo/Builds/Android/app/CMakeLists.txt
+++ b/extras/NetworkGraphicsDemo/Builds/Android/app/CMakeLists.txt
@@ -2190,6 +2190,7 @@ add_library( ${BINARY_NAME}
     "../../../../../modules/juce_gui_extra/misc/juce_SystemTrayIconComponent.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.h"
+    "../../../../../modules/juce_gui_extra/misc/juce_WebControlParameterIndexReceiver.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.h"
     "../../../../../modules/juce_gui_extra/native/juce_ActiveXComponent_windows.cpp"
@@ -4445,6 +4446,7 @@ set_source_files_properties(
     "../../../../../modules/juce_gui_extra/misc/juce_SystemTrayIconComponent.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebBrowserComponent.h"
+    "../../../../../modules/juce_gui_extra/misc/juce_WebControlParameterIndexReceiver.h"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.cpp"
     "../../../../../modules/juce_gui_extra/misc/juce_WebControlRelays.h"
     "../../../../../modules/juce_gui_extra/native/juce_ActiveXComponent_windows.cpp"
diff --git a/extras/NetworkGraphicsDemo/Builds/VisualStudio2022/NetworkGraphicsDemo_App.vcxproj b/extras/NetworkGraphicsDemo/Builds/VisualStudio2022/NetworkGraphicsDemo_App.vcxproj
index 0f4cc7b793..c61babe803 100644
--- a/extras/NetworkGraphicsDemo/Builds/VisualStudio2022/NetworkGraphicsDemo_App.vcxproj
+++ b/extras/NetworkGraphicsDemo/Builds/VisualStudio2022/NetworkGraphicsDemo_App.vcxproj
@@ -4042,6 +4042,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/extras/NetworkGraphicsDemo/Builds/VisualStudio2022/NetworkGraphicsDemo_App.vcxproj.filters b/extras/NetworkGraphicsDemo/Builds/VisualStudio2022/NetworkGraphicsDemo_App.vcxproj.filters
index dcc1167f14..d115c90dd8 100644
--- a/extras/NetworkGraphicsDemo/Builds/VisualStudio2022/NetworkGraphicsDemo_App.vcxproj.filters
+++ b/extras/NetworkGraphicsDemo/Builds/VisualStudio2022/NetworkGraphicsDemo_App.vcxproj.filters
@@ -7266,6 +7266,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
diff --git a/extras/Projucer/Builds/VisualStudio2017/Projucer_App.vcxproj b/extras/Projucer/Builds/VisualStudio2017/Projucer_App.vcxproj
index 848d2acf28..ac5b82fa0e 100644
--- a/extras/Projucer/Builds/VisualStudio2017/Projucer_App.vcxproj
+++ b/extras/Projucer/Builds/VisualStudio2017/Projucer_App.vcxproj
@@ -2854,6 +2854,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/extras/Projucer/Builds/VisualStudio2017/Projucer_App.vcxproj.filters b/extras/Projucer/Builds/VisualStudio2017/Projucer_App.vcxproj.filters
index 7cb7d214ff..c3abe50a89 100644
--- a/extras/Projucer/Builds/VisualStudio2017/Projucer_App.vcxproj.filters
+++ b/extras/Projucer/Builds/VisualStudio2017/Projucer_App.vcxproj.filters
@@ -5226,6 +5226,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
diff --git a/extras/Projucer/Builds/VisualStudio2019/Projucer_App.vcxproj b/extras/Projucer/Builds/VisualStudio2019/Projucer_App.vcxproj
index 3819b7cd9e..41a5095ffd 100644
--- a/extras/Projucer/Builds/VisualStudio2019/Projucer_App.vcxproj
+++ b/extras/Projucer/Builds/VisualStudio2019/Projucer_App.vcxproj
@@ -2854,6 +2854,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/extras/Projucer/Builds/VisualStudio2019/Projucer_App.vcxproj.filters b/extras/Projucer/Builds/VisualStudio2019/Projucer_App.vcxproj.filters
index f735b7b891..67eb9f3227 100644
--- a/extras/Projucer/Builds/VisualStudio2019/Projucer_App.vcxproj.filters
+++ b/extras/Projucer/Builds/VisualStudio2019/Projucer_App.vcxproj.filters
@@ -5226,6 +5226,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
diff --git a/extras/Projucer/Builds/VisualStudio2022/Projucer_App.vcxproj b/extras/Projucer/Builds/VisualStudio2022/Projucer_App.vcxproj
index 3b5d8663d9..f0f8ce77e2 100644
--- a/extras/Projucer/Builds/VisualStudio2022/Projucer_App.vcxproj
+++ b/extras/Projucer/Builds/VisualStudio2022/Projucer_App.vcxproj
@@ -2854,6 +2854,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/extras/Projucer/Builds/VisualStudio2022/Projucer_App.vcxproj.filters b/extras/Projucer/Builds/VisualStudio2022/Projucer_App.vcxproj.filters
index ec226bda55..fed422d5cd 100644
--- a/extras/Projucer/Builds/VisualStudio2022/Projucer_App.vcxproj.filters
+++ b/extras/Projucer/Builds/VisualStudio2022/Projucer_App.vcxproj.filters
@@ -5226,6 +5226,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
diff --git a/extras/UnitTestRunner/Builds/VisualStudio2017/UnitTestRunner_ConsoleApp.vcxproj b/extras/UnitTestRunner/Builds/VisualStudio2017/UnitTestRunner_ConsoleApp.vcxproj
index 4ad118c709..ea63f17ccd 100644
--- a/extras/UnitTestRunner/Builds/VisualStudio2017/UnitTestRunner_ConsoleApp.vcxproj
+++ b/extras/UnitTestRunner/Builds/VisualStudio2017/UnitTestRunner_ConsoleApp.vcxproj
@@ -4273,6 +4273,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/extras/UnitTestRunner/Builds/VisualStudio2017/UnitTestRunner_ConsoleApp.vcxproj.filters b/extras/UnitTestRunner/Builds/VisualStudio2017/UnitTestRunner_ConsoleApp.vcxproj.filters
index 45974f3ee6..b694c50afd 100644
--- a/extras/UnitTestRunner/Builds/VisualStudio2017/UnitTestRunner_ConsoleApp.vcxproj.filters
+++ b/extras/UnitTestRunner/Builds/VisualStudio2017/UnitTestRunner_ConsoleApp.vcxproj.filters
@@ -7653,6 +7653,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
diff --git a/extras/UnitTestRunner/Builds/VisualStudio2019/UnitTestRunner_ConsoleApp.vcxproj b/extras/UnitTestRunner/Builds/VisualStudio2019/UnitTestRunner_ConsoleApp.vcxproj
index 0ab332b773..15098d23fc 100644
--- a/extras/UnitTestRunner/Builds/VisualStudio2019/UnitTestRunner_ConsoleApp.vcxproj
+++ b/extras/UnitTestRunner/Builds/VisualStudio2019/UnitTestRunner_ConsoleApp.vcxproj
@@ -4273,6 +4273,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/extras/UnitTestRunner/Builds/VisualStudio2019/UnitTestRunner_ConsoleApp.vcxproj.filters b/extras/UnitTestRunner/Builds/VisualStudio2019/UnitTestRunner_ConsoleApp.vcxproj.filters
index 174739e7e7..1b9ac502c0 100644
--- a/extras/UnitTestRunner/Builds/VisualStudio2019/UnitTestRunner_ConsoleApp.vcxproj.filters
+++ b/extras/UnitTestRunner/Builds/VisualStudio2019/UnitTestRunner_ConsoleApp.vcxproj.filters
@@ -7653,6 +7653,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
diff --git a/extras/UnitTestRunner/Builds/VisualStudio2022/UnitTestRunner_ConsoleApp.vcxproj b/extras/UnitTestRunner/Builds/VisualStudio2022/UnitTestRunner_ConsoleApp.vcxproj
index 5c2b224342..5259b379ab 100644
--- a/extras/UnitTestRunner/Builds/VisualStudio2022/UnitTestRunner_ConsoleApp.vcxproj
+++ b/extras/UnitTestRunner/Builds/VisualStudio2022/UnitTestRunner_ConsoleApp.vcxproj
@@ -4273,6 +4273,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/extras/UnitTestRunner/Builds/VisualStudio2022/UnitTestRunner_ConsoleApp.vcxproj.filters b/extras/UnitTestRunner/Builds/VisualStudio2022/UnitTestRunner_ConsoleApp.vcxproj.filters
index b41bdfd209..8c2be427ae 100644
--- a/extras/UnitTestRunner/Builds/VisualStudio2022/UnitTestRunner_ConsoleApp.vcxproj.filters
+++ b/extras/UnitTestRunner/Builds/VisualStudio2022/UnitTestRunner_ConsoleApp.vcxproj.filters
@@ -7653,6 +7653,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
diff --git a/extras/WindowsDLL/Builds/VisualStudio2022/WindowsDLL_StaticLibrary.vcxproj b/extras/WindowsDLL/Builds/VisualStudio2022/WindowsDLL_StaticLibrary.vcxproj
index 74c6f1f939..a78391986f 100644
--- a/extras/WindowsDLL/Builds/VisualStudio2022/WindowsDLL_StaticLibrary.vcxproj
+++ b/extras/WindowsDLL/Builds/VisualStudio2022/WindowsDLL_StaticLibrary.vcxproj
@@ -4018,6 +4018,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SplashScreen.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_SystemTrayIconComponent.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\native\juce_NSViewFrameWatcher_mac.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\juce_gui_extra.h"/>
diff --git a/extras/WindowsDLL/Builds/VisualStudio2022/WindowsDLL_StaticLibrary.vcxproj.filters b/extras/WindowsDLL/Builds/VisualStudio2022/WindowsDLL_StaticLibrary.vcxproj.filters
index a0520c60bb..70d3415b6f 100644
--- a/extras/WindowsDLL/Builds/VisualStudio2022/WindowsDLL_StaticLibrary.vcxproj.filters
+++ b/extras/WindowsDLL/Builds/VisualStudio2022/WindowsDLL_StaticLibrary.vcxproj.filters
@@ -7233,6 +7233,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebBrowserComponent.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlParameterIndexReceiver.h">
+      <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_gui_extra\misc\juce_WebControlRelays.h">
       <Filter>JUCE Modules\juce_gui_extra\misc</Filter>
     </ClInclude>