Update: from CGChannel.com
Instead, Arnold is now installed with Maya by default. The native edition can render a single frame or a sequence of frames interactively, but “batch rendering [is] not available and your images will appear with a watermark”.
To remove the watermark, you’ll need to buy Arnold batch render nodes, prices for which start at $790.
You can read more about the change in rendering policy in Autodesk’s official FAQs document.
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