--- a/toolkit/content/aboutSupport.js
+++ b/toolkit/content/aboutSupport.js
@@ -371,24 +371,26 @@ var snapshotFormatters = {
     delete data.numTotalWindows;
     delete data.numAcceleratedWindows;
     delete data.numAcceleratedWindowsMessage;
 
     addRow("features", "asyncPanZoom",
            apzInfo.length
            ? apzInfo.join("; ")
            : localizedMsg(["apzNone"]));
+    addRowFromKey("features", "webgl1WSIInfo");
     addRowFromKey("features", "webgl1Renderer");
     addRowFromKey("features", "webgl1Version");
+    addRowFromKey("features", "webgl1DriverExtensions");
     addRowFromKey("features", "webgl1Extensions");
-    addRowFromKey("features", "webgl1WSIInfo");
+    addRowFromKey("features", "webgl2WSIInfo");
     addRowFromKey("features", "webgl2Renderer");
     addRowFromKey("features", "webgl2Version");
+    addRowFromKey("features", "webgl2DriverExtensions");
     addRowFromKey("features", "webgl2Extensions");
-    addRowFromKey("features", "webgl2WSIInfo");
     addRowFromKey("features", "supportsHardwareH264", "hardwareH264");
     addRowFromKey("features", "currentAudioBackend", "audioBackend");
     addRowFromKey("features", "direct2DEnabled", "#Direct2D");
 
     if ("directWriteEnabled" in data) {
       let message = data.directWriteEnabled;
       if ("directWriteVersion" in data)
         message += " (" + data.directWriteVersion + ")";

--- a/toolkit/locales/en-US/chrome/global/aboutSupport.properties
+++ b/toolkit/locales/en-US/chrome/global/aboutSupport.properties
@@ -68,21 +68,23 @@ gpuDeviceID = Device ID
 gpuSubsysID = Subsys ID
 gpuDrivers = Drivers
 gpuRAM = RAM
 gpuDriverVersion = Driver Version
 gpuDriverDate = Driver Date
 gpuActive = Active
 webgl1Renderer = WebGL 1 Renderer
 webgl1Version = WebGL 1 GL Version
-webgl1Extensions = WebGL 1 GL Extensions
+webgl1DriverExtensions = WebGL 1 Driver Extensions
+webgl1Extensions = WebGL 1 Extensions
 webgl1WSIInfo = WebGL 1 WSI Info
 webgl2Renderer = WebGL 2 Renderer
 webgl2Version = WebGL 2 GL Version
-webgl2Extensions = WebGL 2 GL Extensions
+webgl2DriverExtensions = WebGL 2 Driver Extensions
+webgl2Extensions = WebGL 2 Extensions
 webgl2WSIInfo = WebGL 2 WSI Info
 GPU1 = GPU #1
 GPU2 = GPU #2
 blocklistedBug = Blocklisted due to known issues
 # LOCALIZATION NOTE %1$S will be replaced with a bug number string.
 bugLink = bug %1$S
 # LOCALIZATION NOTE %1$S will be replaced with an arbitrary identifier
 # string that can be searched on DXR/MXR or grepped in the source tree.

--- a/toolkit/modules/Troubleshoot.jsm
+++ b/toolkit/modules/Troubleshoot.jsm
@@ -411,16 +411,17 @@ var dataProviders = {
     let doc =
       Cc["@mozilla.org/xmlextras/domparser;1"]
       .createInstance(Ci.nsIDOMParser)
       .parseFromString("<html/>", "text/html");
 
     function GetWebGLInfo(data, keyPrefix, contextType) {
         data[keyPrefix + "Renderer"] = "-";
         data[keyPrefix + "Version"] = "-";
+        data[keyPrefix + "DriverExtensions"] = "-";
         data[keyPrefix + "Extensions"] = "-";
         data[keyPrefix + "WSIInfo"] = "-";
 
         // //
 
         let canvas = doc.createElement("canvas");
         canvas.width = 1;
         canvas.height = 1;
@@ -447,24 +448,28 @@ var dataProviders = {
         }
         if (!gl) {
             data[keyPrefix + "Renderer"] = creationError || "(no creation error info)";
             return;
         }
 
         // //
 
+        data[keyPrefix + "Extensions"] = gl.getSupportedExtensions().join(' ');
+
+        // //
+
         let ext = gl.getExtension("MOZ_debug_get");
         // This extension is unconditionally available to chrome. No need to check.
         let vendor = ext.getParameter(gl.VENDOR);
         let renderer = ext.getParameter(gl.RENDERER);
 
         data[keyPrefix + "Renderer"] = vendor + " -- " + renderer;
         data[keyPrefix + "Version"] = ext.getParameter(gl.VERSION);
-        data[keyPrefix + "Extensions"] = ext.getParameter(ext.EXTENSIONS);
+        data[keyPrefix + "DriverExtensions"] = ext.getParameter(ext.EXTENSIONS);
         data[keyPrefix + "WSIInfo"] = ext.getParameter(ext.WSI_INFO);
 
         // //
 
         // Eagerly free resources.
         let loseExt = gl.getExtension("WEBGL_lose_context");
         loseExt.loseContext();
     }

--- a/toolkit/modules/tests/browser/browser_Troubleshoot.js
+++ b/toolkit/modules/tests/browser/browser_Troubleshoot.js
@@ -295,28 +295,34 @@ const SNAPSHOT_SCHEMA = {
           type: "string",
         },
         webgl1Renderer: {
           type: "string",
         },
         webgl1Version: {
           type: "string",
         },
+        webgl1DriverExtensions: {
+          type: "string",
+        },
         webgl1Extensions: {
           type: "string",
         },
         webgl1WSIInfo: {
           type: "string",
         },
         webgl2Renderer: {
           type: "string",
         },
         webgl2Version: {
           type: "string",
         },
+        webgl2DriverExtensions: {
+          type: "string",
+        },
         webgl2Extensions: {
           type: "string",
         },
         webgl2WSIInfo: {
           type: "string",
         },
         info: {
           type: "object",