flutter: fcm ios push notifications doesn't work in release mode

My project got the same issue. Combined two solutions I found, it finally works. (firebase_messaging 7.0.3)

As for debug mode, you don't need these.

Step 1: Edit AppDelegate.swift

import UIKitimport Flutter@UIApplicationMain@objc class AppDelegate: FlutterAppDelegate {  override func application(    _ application: UIApplication,    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?  ) -> Bool {    if #available(iOS 10.0, *) {      UNUserNotificationCenter.current().delegate = self as? UNUserNotificationCenterDelegate    }        GeneratedPluginRegistrant.register(with: self)    application.registerForRemoteNotifications()    return super.application(application, didFinishLaunchingWithOptions: launchOptions)  }}

Step 2: Edit ios/Runner/Info.plist. Add this:

<key>FirebaseAppDelegateProxyEnabled</key><string>NO</string>

After update firebase_messaging to 7.0.0 I had the same problem. I added application.registerForRemoteNotifications() in my AppDelegate.swift and it worked!

I have the same issue. Looks like iOS release require additional notification params

To check that notification works you could try to send message directly from the firebase console.

Cloud Messaging -> Send your first message -> Enter notification title and text -> Send test message -> Enter your device token -> Test

To obtain device token you can use print(await FirebaseMessaging().getToken());

To check release logs connect the device and open Xcode -> Window -> Devices and Simulators -> Open Console

If it works you could try to add this params:

const payload = { notification: {    title: newData.title,    body: newData.body,    sound: 'default' }, data: {    click_action: 'FLUTTER_NOTIFICATION_CLICK',    message: newData.title, }, apns: {    headers: { "apns-priority": "5" },    payload: {            aps: {                contentAvailable: true,                category: "NEW_MESSAGE_CATEGORY"            }        }    },};

But I'm not sure which param helps: "apns-priority" or contentAvailable.