Issue 1:
When running

flutter run

I get

Launching lib/main.dart on iPhone 5s in debug mode...
[VERBOSE-1:callback_cache.cc(132)] Could not parse callback cache, aborting restore

in https://github.com/syfgkjasdkn/flutter_view_swift

flutter doctor -v

[✓] Flutter (Channel beta, v0.8.2, on Mac OS X 10.13.6 17G65, locale en-US)
• Flutter version 0.8.2 at /Users/asd/Developer/flutter
• Framework revision 5ab9e70727 (4 weeks ago), 2018-09-07 12:33:05 -0700
• Engine revision 58a1894a1c
• Dart version 2.1.0-dev.3.1.flutter-760a9690c2

[✓] Android toolchain - develop for Android devices (Android SDK 28.0.3)
• Android SDK at /Users/asd/Library/Android/sdk
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-28, build-tools 28.0.3
• Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)
• All Android licenses accepted.

[✓] iOS toolchain - develop for iOS devices (Xcode 10.0)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 10.0, Build version 10A255
• ios-deploy 2.0.0
• CocoaPods version 1.5.3

[✓] Android Studio (version 3.2)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin version 28.0.2
• Dart plugin version 181.5616
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1136-b06)

[✓] VS Code (version 1.27.2)
• VS Code at /Applications/Visual Studio Code.app/Contents
• Flutter extension version 2.18.0

[✓] Connected devices (1 available)
• iPhone 5s • A989159F-933B-4CF7-90BE-C530C36DE9DE • ios • iOS 12.0 (simulator)

• No issues found!

Issue 2:
Steps to Reproduce

Upgrade to latest version Flutter 0.3.1-pre.25 • channel master and Flutter Projects will no longer open up in iPhone Simulator.

Flutter Version:

Flutter 0.3.1-pre.25 • channel master • https://github.com/flutter/flutter.git
Framework • revision 9a0b562524 (70 minutes ago) • 2018-04-17 16:57:47 -0700
Engine • revision 0c09bf03d1
Tools • Dart 2.0.0-dev.48.0.flutter-f76dad0adc

Error:

Launching lib/main.dart on iPhone X in debug mode...
Skipping compilation. Fingerprint match.
Xcode build done.
Error connecting to the service protocol: WebSocketChannelException: WebSocketChannelException: SocketException: OS Error: Connection refused, errno = 61, address = 127.0.0.1, port = 50433
Exited (sigterm)

Logs

flutter run

Pix:fatima_prayers marco$ flutter run
Launching lib/main.dart on iPhone X in debug mode...
Skipping compilation. Fingerprint match.
Running Xcode clean... 1.1s
Starting Xcode build...
├─Assembling Flutter resources... 1.7s
└─Compiling, linking and signing... 13.9s
Xcode build done. 18.5s

flutter analyze

Analyzing /Users/marco/Documents/Pixolini/Flutter_Development/fatima_prayers...
No issues found!
Ran in 7.8s

Flutter Doctor

Pix:fatima_prayers marco$ flutter doctor -v
[✓] Flutter (Channel master, v0.3.1-pre.25, on Mac OS X 10.13.4 17E199, locale en-US)
• Flutter version 0.3.1-pre.25 at /Users/marco/flutter
• Framework revision 9a0b562524 (74 minutes ago), 2018-04-17 16:57:47 -0700
• Engine revision 0c09bf03d1
• Dart version 2.0.0-dev.48.0.flutter-f76dad0adc

[✓] Android toolchain - develop for Android devices (Android SDK 27.0.3)
• Android SDK at /Users/marco/Library/Android/sdk
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-27, build-tools 27.0.3
• Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1024-b01)
• All Android licenses accepted.

[✓] iOS toolchain - develop for iOS devices (Xcode 9.3)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 9.3, Build version 9E145
• ios-deploy 1.9.2
• CocoaPods version 1.4.0

[✓] Android Studio (version 3.1)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin version 23.2.2
• Dart plugin version 173.4700
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1024-b01)

[✓] VS Code (version 1.22.2)
• VS Code at /Applications/Visual Studio Code.app/Contents
• Dart Code extension version 2.11.2

[✓] Connected devices (1 available)
• iPhone X • 55C63F10-A0FA-4CD8-9E89-BF66AA5FEA8F • ios • iOS 11.3 (simulator)

• No issues found!

Thank you