diff --git a/mobile/android/geckoview/api.txt b/mobile/android/geckoview/api.txt
index 47893bb3fc04..15fc1eda8b7a 100644
--- a/mobile/android/geckoview/api.txt
+++ b/mobile/android/geckoview/api.txt
@@ -1683,6 +1683,7 @@ package org.mozilla.geckoview {
     field @NonNull public final String[] origins;
     field @NonNull public final String[] permissions;
     field public final int signedState;
+    field public final boolean temporary;
     field @NonNull public final String version;
   }
 
diff --git a/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/WebExtension.java b/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/WebExtension.java
index a31d1aed04d6..525ced132a45 100644
--- a/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/WebExtension.java
+++ b/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/WebExtension.java
@@ -1658,6 +1658,12 @@ public class WebExtension {
          */
         public final boolean enabled;
 
+        /**
+         * Whether this extension is temporary or not. Temporary extensions are not retained
+         * and will be uninstalled when the browser exits.
+         */
+        public final boolean temporary;
+
         /** Override for testing. */
         protected MetaData() {
             icon = null;
@@ -1676,6 +1682,7 @@ public class WebExtension {
             signedState = SignedStateFlags.UNKNOWN;
             disabledFlags = 0;
             enabled = true;
+            temporary = false;
             baseUrl = null;
             allowedInPrivateBrowsing = false;
         }
@@ -1695,6 +1702,7 @@ public class WebExtension {
             isRecommended = bundle.getBoolean("isRecommended");
             blocklistState = bundle.getInt("blocklistState", BlocklistStateFlags.NOT_BLOCKED);
             enabled = bundle.getBoolean("enabled", false);
+            temporary = bundle.getBoolean("temporary", false);
             baseUrl = bundle.getString("baseURL");
             allowedInPrivateBrowsing = bundle.getBoolean("privateBrowsingAllowed", false);
 
diff --git a/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/doc-files/CHANGELOG.md b/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/doc-files/CHANGELOG.md
index 70a8ff9c4eec..b49a597c1f77 100644
--- a/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/doc-files/CHANGELOG.md
+++ b/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/doc-files/CHANGELOG.md
@@ -18,8 +18,12 @@ exclude: true
   Also, [`MediaSession.Delegate.onMetadata`][83.1] is no longer dispatched for
   plain media elements.
   ([bug 1658937]({{bugzilla}}1658937))
+- Added [`WebExtension.MetaData.temporary`][83.2] which exposes whether an extension
+  has been installed temporarily, e.g. when using web-ext.
+  ([bug 1624410]({{bugzilla}}1624410))
 
 [83.1]: {{javadoc_uri}}/MediaSession.Delegate.html#onMetadata-org.mozilla.geckoview.GeckoSession-org.mozilla.geckoview.MediaSession-org.mozilla.geckoview.MediaSession.Metadata-
+[83.2]: {{javadoc_uri}}/WebExtension.MetaData.html#temporary
 
 ## v82
 - ⚠️  [`WebNotification.source`][79.2] is now `@Nullable` to account for
@@ -809,4 +813,4 @@ to allow adding gecko profiler markers.
 [65.24]: {{javadoc_uri}}/CrashReporter.html#sendCrashReport-android.content.Context-android.os.Bundle-java.lang.String-
 [65.25]: {{javadoc_uri}}/GeckoResult.html
 
-[api-version]: 8cbbe3b03d78c33888562ea18a4554cff90f531d
+[api-version]: 01fdaf45cfe4dc5974de314cbdb79584781eb282
diff --git a/mobile/android/modules/geckoview/GeckoViewWebExtension.jsm b/mobile/android/modules/geckoview/GeckoViewWebExtension.jsm
index 2b7556977c31..2bfe72867969 100644
--- a/mobile/android/modules/geckoview/GeckoViewWebExtension.jsm
+++ b/mobile/android/modules/geckoview/GeckoViewWebExtension.jsm
@@ -282,6 +282,7 @@ async function exportExtension(aAddon, aPermissions, aSourceURI) {
     blocklistState,
     userDisabled,
     embedderDisabled,
+    temporarilyInstalled,
     isActive,
     isBuiltin,
     id,
@@ -319,6 +320,7 @@ async function exportExtension(aAddon, aPermissions, aSourceURI) {
       promptPermissions,
       description,
       enabled: isActive,
+      temporary: temporarilyInstalled,
       disabledFlags,
       version,
       creatorName,