StageStyle.EXTENDED with transparent background

[Glavo]

Is anyone interested in this question?

On Wed, Oct 15, 2025 at 10:21 PM Glavo <zjx001202 at gmail.com> wrote:

> Hi,
>
> Our application has traditionally used StageStyle.TRANSPARENT to enable a
> fully customizable stage.
> This allows users to set custom backgrounds and adjust the window's
> opacity freely, leveraging our powerful personalization features.
>
> After the release of JavaFX 25, we want to migrate to StageStyle.EXTENDED
> so that
> we can use native window decorations and no longer need to draw window
> shadows ourselves.
> But using StageStyle.EXTENDED creates a stage with a white background,
> which prevents us
> from setting the window's opacity.
> So is there any way we can make the stage background transparent while
> using StageStyle.EXTENDED?
>
> Glavo
>
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