Beta previews of the next update to HighSkyTech’s (HST) xAmbience has today been shown, through the developer’s VK page.
The beta screenshots clearly show the sky at dusk:
xAmbience was updated back in March with service pack 1, and is currently V1.04.2. It is currently on sale at x-plane.org for US $27.99.
Additional previews and progress updates can be found on their VK page.