bug: The project's Gradle version Gradle 8.14.3 is incompatible with the Gradle JVM version 25. To fix this, select a JVM version that is at least 8 and at most 24. #8705

Prerequisites

• I have read the Contributing Guidelines.
• I agree to follow the Code of Conduct.
• I have searched for existing issues that already report this problem, without success.

Ionic Framework Version

v9.x

Current Behavior

Create a new blank starter app using ionic start cli command
The starter app is created without any issues
Then run,
ionic cap build
to generate www folder to add the android platform
android @capacitor/android@8.6.0 platform is added with any issues
Then run
ionic cap open android
This opens Android Studio with JVM Version ERROR upgrade to v21 click update the update button,it fails to upgrade in Android Studio Rabbit 1 2026

Expected Behavior

The ionic cap open Android must open Android Studio with background gradle build this was wrking before in ionic v8 capacitor v6.

Steps to Reproduce

Create a new blank starter app using ionic start cli command
The starter app is created without any issues
Then run,
ionic cap build
to generate www folder to add the android platform
android @capacitor/android@8.6.0 platform is added with any issues
Then run
``
ionic cap open android

Code Reproduction URL

https://github.com/edocbuhtig

Ionic Info

Capacitor:

Capacitor CLI : 8.6.0
@capacitor/android : 8.6.0
@capacitor/core : 8.6.0
@capacitor/ios : not installed

Utility:

cordova-res : not installed globally
native-run : 2.1.0

System:

NodeJS : v26.13.0 (/usr/local/bin/node)
npm : 11.20.0
OS : macOS: 27.2

Additional Information

Another, observation is that the Cordova packages are still shown in the Android Studio as external libraries though it is a ionic v9 capacitor v8 project ???? unlike for iOS its a SPM package by default.

This is very frustrating being a Ionic fan since the PhoneGap Days and forcing me to switch to (KMP) Jet Pack Compose from now on.

@thetaPC