The latest model in the Beechcraft series is already in production.

Textron Aviation announced the new Beechcraft King Air 260 at VBACE 2020, with the model already in production for deliveries to begin in the first half of 2021. The latest entrant in the legendary turboprop series joins the King Air 360, which entered service in late October, alongside the 360ER.
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https://www.flyingmag.com/story/aircraft/textron-aviation-announces-king-air-260/