Codename One Launches Third-Generation GUI Builder With Project-Wide Workspace

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Codename One has released its third-generation GUI Builder, replacing the previous per-form editor with a unified, project-wide workspace. The revamp, tracked under PR #5523, introduces a Maven-first architecture where developers launch the editor via a single command that loads all project forms, CSS, and Java files together. Unlike earlier versions that opened one generated form at a time, the new editor scans all .gui files and displays them in a persistent left panel, eliminating repeated process launches. The update preserves Steve Hannah's LayeredLayout auto-layout system from the second generation while adding support for major IDEs including IntelliJ IDEA, NetBeans, Eclipse, and Visual Studio Code. The editor remains a Java 8 artifact for broad compatibility, and a follow-up detailing App Hardening features is scheduled for Saturday.

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