diff --git a/src/common/extUtils.js b/src/common/extUtils.js
index e47a74c..cabf8cb 100644
--- a/src/common/extUtils.js
+++ b/src/common/extUtils.js
@@ -1,7 +1,11 @@
-// Returns whether the extension is a release version.
-export function isReleaseVersion() {
-  var manifest = chrome.runtime.getManifest();
-  return ('version' in manifest) && manifest.version != '0';
+// Returns whether the extension is a production version (released stable or
+// beta version).
+export function isProdVersion() {
+  // #!if production && !canary
+  return true;
+  // #!else
+  return false;
+  // #!endif
 }
 
 // Returns the extension version
diff --git a/src/options/optionsCommon.js b/src/options/optionsCommon.js
index 863232d..b442fad 100644
--- a/src/options/optionsCommon.js
+++ b/src/options/optionsCommon.js
@@ -1,4 +1,4 @@
-import {getExtVersion, isReleaseVersion} from '../common/extUtils.js';
+import {getExtVersion, isProdVersion} from '../common/extUtils.js';
 import {ensureOptPermissions, grantedOptPermissions, missingPermissions} from '../common/optionsPermissions.js';
 import {cleanUpOptions, optionsPrototype, specialOptions} from '../common/optionsUtils.js';
 
@@ -19,7 +19,7 @@
 // Get a URL to a document which is part of the extension documentation
 // (autodetect the appropriate Git ref)
 function getDocURL(doc) {
-  if (!isReleaseVersion()) return getDocURLWithRef(doc, 'HEAD');
+  if (!isProdVersion()) return getDocURLWithRef(doc, 'HEAD');
 
   var version = getExtVersion();
   return getDocURLWithRef(doc, 'refs/tags/v' + version);
@@ -96,7 +96,7 @@
 
 window.addEventListener('load', function() {
   if (window.CONTEXT == 'options') {
-    if (!isReleaseVersion()) {
+    if (!isProdVersion()) {
       var experimentsLink = document.querySelector('.experiments-link');
       experimentsLink.removeAttribute('hidden');
       experimentsLink.addEventListener('click', _ => chrome.tabs.create({
diff --git a/webpack.config.js b/webpack.config.js
index 90f67b6..486a408 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -65,6 +65,7 @@
       params: {
         browser_target: env.browser_target,
         production: args.mode == 'production',
+        canary: !!env.canary
       },
     },
   };