Could not render Google maps with latest ionic version on IOS

I use google maps plugin with my ionic app.
The map render good in 4.0.0-beta.11 on IOS, ANDROID and Web but i updated the version of ionic to 4.0.0-beta.17 and since the map doesn’t render (white screen) on IOS ( works on web).

My ionic info:

Ionic:

ionic (Ionic CLI) : 4.5.0 (/usr/local/lib/node_modules/ionic)
Ionic Framework : @ionic/angular 4.0.0-beta.17
@angular-devkit/build-angular : 0.10.6
@angular-devkit/schematics : 7.0.6
@angular/cli : 7.0.6
@ionic/angular-toolkit : not installed

Cordova:

cordova (Cordova CLI) : 7.1.0
Cordova Platforms : browser 5.0.4, ios 4.5.5
Cordova Plugins : cordova-plugin-ionic-webview 2.0.2, (and 14 other plugins)

System:

ios-deploy : 1.9.2
ios-sim : 6.1.1
NodeJS : v10.10.0 (/usr/local/bin/node)
npm : 6.5.0
OS : macOS High Sierra
Xcode : Xcode 10.1 Build version 10B61

Someone uses the map with the latest version of ionic ?
Can you help me please ?