Upload a new version to the appstore:

start emulators from command line: flutter emulators --launch pixel

to create a missing emulator ipad: (adjust ios version and ipad version) xcrun simctl create "iPad Pro (12.9-inch) (3rd generation)" "com.apple.CoreSimulator.SimDeviceType.iPad-Pro--12-9-inch---3rd-generation-" "com.apple.CoreSimulator.SimRuntime.iOS-15-4"

Start all emulators you need screen shots from iPhone 12 pro max, iPhone 8 Plus, iPad Pro 12.9 (2nd gen), iPad Pro 12.9 (3rd gen)
switch Ipad to horizontal layout

install frameit-chrome: flutter pub global activate frameit_chrome

dirs should exist: ios/fastlane/unframed/en-US from app root: flutter pub run utils:screenshots

to only run the frameit-chrome program:(project home) flutter pub global run frameit_chrome
--base-dir=ios/fastlane/unframed
--frames-dir=ios/fastlane/frames
--chrome-binary=/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome
--pixel-ratio=1.0

When generated then move from framed/en-US to metadata/screenshots/en-US

Build and upload Manual: https://flutter.dev/docs/deployment/ios certicate access (rediculus!!)
https://stackoverflow.com/questions/10204320/mac-os-x-wants-to-use-system-keychain-when-compiling-the-project

Fastlane

install: brew install fastlane

1. increase numbers pubspec.yaml version: x.x.x+1 2. build flutter: (project home) flutter build ios --release --no-codesign 3. compile and sign (in ios dir) fastlane gym 4. upload: (in ios dir) binary only: fastlane upload all including meta: fastlane deliver --overwrite_screenshots just screenshots: fastlane deliver --overwrite_screenshots
--skip_binary_upload