Are Photoshop 2020 sky replacements Royatly & copyright free to use?

This question has come up before in this forum; here is the link to a thread where there are definitive answers:

Does anyone know if the default sky replacements are Creative Commons for commercial use?

The official answer that another member got from Adobe is in this post in that thread:

https://community.adobe.com/t5/photoshop-ecosystem/does-anyone-know-if-the-default-sky-replacements-are-creative-commons-for-commercial-use/m-p/12020808#M538403

@mj wrote:

What I have learned is that the sky images are royalty-free. Sky Presets may be used in commercial work just like stock images and shapes/brushes. You just are not allowed to bundle and resell them.

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Although Adobe staff don’t normally answer directly in this forum, this is still a good place to ask that question, because some of the volunteer users know where to get the answer, and sometimes they get it faster than if you had called Adobe support.

Ultimately this is not a new question because Photoshop already includes a lot of graphics content that you can use in projects such as fonts, clip art, templates, brushes, and such; and replacement skies fall under the same rules: They are available for use royalty-free..