Experimental debugger does not work on 0.74 with bridgeless on iOS

[gabrieldonadel]

Description

After creating a fresh app with npx react-native init HermesTest and enabling the new architecture on iOS, users are unable to use the experimental debugger and are faced with a warning in the terminal saying No compatible apps connected. JavaScript debugging can only be used with the Hermes engine

Steps to reproduce

1. Start the app enabling the new debugger. e.g. yarn start --experimental-debugger
2. iOS open the dev menu and click on "Open Debugger"
3. Nothing happens

React Native Version

0.74.0

Affected Platforms

Runtime - iOS

Areas

Bridgeless - The New Initialization Flow

Output of npx react-native info

System:
  OS: macOS 14.0
  CPU: (12) arm64 Apple M2 Max
  Memory: 172.27 MB / 32.00 GB
  Shell:
    version: "5.9"
    path: /bin/zsh
Binaries:
  Node:
    version: 20.11.1
    path: ~/.volta/tools/image/node/20.11.1/bin/node
  Yarn:
    version: 1.22.22
    path: ~/.volta/tools/image/yarn/1.22.22/bin/yarn
  npm:
    version: 10.2.4
    path: ~/.volta/tools/image/node/20.11.1/bin/npm
  Watchman: Not Found
Managers:
  CocoaPods:
    version: 1.15.2
    path: /Users/gabriel/.rbenv/shims/pod
SDKs:
  iOS SDK:
    Platforms:
      - DriverKit 23.2
      - iOS 17.2
      - macOS 14.2
      - tvOS 17.2
      - visionOS 1.0
      - watchOS 10.2
  Android SDK:
    API Levels:
      - "22"
      - "26"
      - "30"
      - "31"
      - "33"
      - "34"
    Build Tools:
      - 26.0.3
      - 30.0.3
      - 31.0.0
      - 33.0.0
      - 33.0.1
      - 33.0.2
      - 34.0.0
    System Images:
      - android-22 | ARM 64 v8a
      - android-26 | Google APIs Intel x86_64 Atom
      - android-28 | Google ARM64-V8a Play ARM 64 v8a
      - android-30 | ARM 64 v8a
      - android-33 | Google APIs ARM 64 v8a
      - android-33 | Google Play ARM 64 v8a
      - android-34 | Google Play ARM 64 v8a
    Android NDK: Not Found
IDEs:
  Android Studio: 2023.2 AI-232.10300.40.2321.11567975
  Xcode:
    version: 15.2/15C500b
    path: /usr/bin/xcodebuild
Languages:
  Java:
    version: 17.0.8
    path: /usr/bin/javac
  Ruby:
    version: 2.7.8
    path: /Users/gabriel/.rbenv/shims/ruby
npmPackages:
  "@react-native-community/cli": Not Found
  react:
    installed: 18.2.0
    wanted: 18.2.0
  react-native:
    installed: 0.74.0
    wanted: 0.74.0
  react-native-macos: Not Found
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: true
  newArchEnabled: false
iOS:
  hermesEnabled: true
  newArchEnabled: true

Stacktrace or Logs

BUNDLE  ./index.js ▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓░ 95.1% (556/570)  Metro:InspectorProxy Got new connection: name=iPhone 15 Pro, app=org.reactjs.native.example.HermesTest, device=178750f3068b8a767e66c96bb3c7ba81b793c663 +0ms
 (NOBRIDGE) LOG  Bridgeless mode is enabled
 (NOBRIDGE) LOG  Running "HermesTest" with {"rootTag":1,"initialProps":{"concurrentRoot":true},"fabric":true}
  Metro:InspectorProxy (Debugger)    (Proxy) <- (Device), getPages ping has changed: {"event":"getPages","payload":[]} +1s
info Launching JS debugger (experimental)...
warn No compatible apps connected. JavaScript debugging can only be used with the Hermes engine.

Reproducer

https://github.com/gabrieldonadel/hermes-debugger-broken-074

Screenshots and Videos

Screen.Recording.2024-04-24.at.11.01.55.mov

[react-native-bot]

This issue is stale because it has been open 180 days with no activity. Remove stale label or comment or this will be closed in 7 days.

[migueldaipre]

Fixed by #44257