I edited the description and, as you probably noticed, the thumbnail is different.

There is a new thumbnail, that is all.

There's a new thumbnail.

There's a different thumbnail now, that's all.

There is a new thumbnail.

Nothing but the thumbnail was changed.

I slightly changed the description and chanced the preview image.

There's a different "marketing" thumbnail.

I am using a different thumbnail.

I'm using a new "marketing screenshot."