The latest ionic version is created by default, and then the Android apk package is successfully compiled, and there will be compatibility problems when running Android. For old mobile browsers, such as WebView 69 ？？

Ionic Framework
1

The reason is that?? lead to incompatibility

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2

Angular 15 has no support for old browsers, if you want to support them, downgrade Angular to version 14.

3

thank you。。。。。。。。。。。。。。。
@julio-ionic