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Flet 1.0 is a framework enabling Python developers to build cross-platform applications for desktop, mobile, and web from a single codebase. It provides over 150 UI controls, supports existing Python libraries on mobile, and includes tools for packaging, testing, and flexible web deployment.
The paper presents RecreationWorld, a five‑platform framework that lets hybrid computer‑use agents learn by recreating the behavior of a running reference, and introduces RecreationBench, a 250‑task benchmark with programmatic and visual assertions. Experiments show GPT‑6 Astra reaches 58.1% overall but struggles with deeper programmatic tests, highlighting gaps in current agents.
Codename One now supports native desktop windows for dialogs, fixing a bug where dialogs appeared on the wrong surface in multi-window applications. This allows dialogs to participate correctly in desktop window ordering and focus, with options for global or per-instance native mode.
Codename One’s third‑generation GUI Builder turns the editor into a Maven‑aware project workspace: it scans all `.gui` files, shows live CSS, and protects generated Java regions, keeping Steve Hannah’s guided `LayeredLayout` model while eliminating per‑form editor launches.
