Codename One framework adds OS-matching desktop themes to web apps

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The Codename One framework now allows web applications to automatically match their visual theme to the user's operating system. Windows users see a Fluent theme, macOS users see Aqua, and Linux systems display the Adwaita theme. This feature is implemented through specific build hints in the framework's settings. The update aims to make web applications feel more integrated and native on desktop platforms while maintaining mobile themes on phones and tablets.

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