Upgrade field guides
Ionic and Capacitor upgrade guides
Requirements, evidence and practical checks for an existing application. Start with readiness, then follow the parts of the stack you plan to change.
Ionic 8 to 9 Upgrade Checklist
Plan an Ionic 8 to 9 upgrade: framework and router changes, Capacitor support, plugin review, native checks and staged build validation.
Capacitor 6 to 8 Migration Checklist
Work through Capacitor 6 to 7 to 8 with package, Android, iOS, plugin and sync checkpoints, plus guidance for interpreting migration failures.
How to Check Ionic and Capacitor Plugin Compatibility
Audit exact plugin releases, peer dependencies and native constraints before upgrading. Separate compatibility evidence from unknowns and manual review.
Capacitor 8 Android Requirements: Java, SDK, Gradle and AGP
Check Capacitor 8 Android SDK, AGP, Gradle and Java settings. Understand JDK minimums, Java 21 guidance and why SDK 36 does not mean Build Tools 36.
Ionic Upgrade Readiness Checklist
An actionable Ionic upgrade checklist covering stack inventory, plugins, native requirements, config, lockfiles, builds, device tests and rollback.
Cordova Plugins in a Capacitor Upgrade: What to Check
Decide which Cordova plugins to retain, replace, remove or test when migrating to Capacitor, with native configuration and data-migration checks.