Pro

Repeatable builds matter when you are trying to stabilize a release, investigate a regression, or keep a production app on a known-good Codename One version instead of automatically moving with the latest server-side changes. Versioned builds are the feature designed for that job. The core idea is simple. Instead of always building against the current Codename One server release, you tell the build system to target a specific Codename One version. That means the native build is performed against the exact server logic and framework state associated with that release. If your application built and ran correctly against that version before, you now have a way to stay there while you validate later updates on your own schedule. ...

Crash protection is about getting useful failure information out of production devices instead of trying to reproduce every rare crash locally. In a framework that targets a wide range of devices and operating systems, that is not optional for serious apps. Some failures only show up in the field. ...

Offline build exists for the cases where the Codename One cloud build servers are not an option. That usually means regulated environments, restricted networks, or institutions that cannot send source or build assets to external services. If you are not in that situation, the normal build server is still the simpler and more heavily traveled path. ...

Push notification is best understood as a user-notification channel, not as a general-purpose networking layer. It is good for telling a device that something happened and, depending on platform and app state, optionally carrying some payload with that message. It is not something you should design your core application protocol around. ...

The desktop and JavaScript ports answer different questions, even though both let you run a Codename One application outside a phone. The desktop port is about packaging the application as a desktop-style app. The JavaScript port is about running the application in the browser as a Codename One app experience rendered on the web platform. ...

The include-sources feature is for the moments when you need to see the native project Codename One generated for a build. That makes it useful for native debugging, profiling, investigating platform-specific behavior, and understanding how a portable Codename One class is represented on the native side. ...