P: Generative Remove Feedback (Lr Classic & Lr Eco)

@Meteor_Freak: "Removed object, but left a circle,that appeared like a dust spot."

Are you applying Remove on top of an AI mask (e.g. Sky mask)?  If so, do Settings > Update AI Settings.

If that doesn't help, thensee this article for how to remove objects more reliably:
https://www.lightroomqueen.com/generative-remove-replace/

Most complaints about Remove are addressed in the article. But if it doesn't help, please attach a full-resolution JPEG exported from the unmodified original photo, so we and Adobe can see the issue in detail. With nearly everyone who has posted a problem photo, we've been able to show how to quickly remove the desired objects.

I just read the post above mine. I have been getting striping as well. They usually show up in in heavily processed images usually in dark blue areas when printed. I have printed on several printers including professional services and the stripes are still there i.e. it's not my printer... They don't show up on my monitor just when printed.

@MichaelN0815: "I generate a mask for the sky and increase the brightness. Then I remove a part (here the top of the hill) which is in the area of this mask with Generative Removing. The removed part is still visible due it's different brightness."

Do Settings > Update AI Settings to have LR recompute the sky mask. In general, Adobe wants you to do Remove first then apply masks.

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@Mark340860516rwv "it can't even remove a small corner of my image ... The object to be removed is a white triangular shaped distraction in the bottom right."

Using Before.jpg, my LR easily removed the white triangle in the corner:

When Remove has problems with objects on the edges of the photo, that indicates there are cropped-out pixels beyond the edge that Remove is trying to match (green background, in this case). So you have to undo any cropping commands (Crop, Transform, Lens Correction), apply Remove, then redo those commands.

However, the metadata in Before.jpg indicates that it was exported from a Nikon D750 raw, with none of those cropping commands applied. That camera's raw sensor is 6032 x 4032 pixels, and the Camera Raw engine in LR automatically crops it to 6016 x 4016. That cropping is invisible to the user and always occurs, but Remove looks at those cropped-out pixels nevertheless.

See here for how to select those hidden pixels and ensure Remove doesn't try to match them: 

https://community.adobe.com/t5/camera-raw-discussions/generative-remove-doesn-t-ignore-the-hidden-border-pixels-automatically-cropped-by-camera-raw/m-p/14925572

Adobe considers this "as-designed" rather than a bug.

@aaronfoster84: "the generative remove tool keeps putting a bear in place of the person I am trying to remove."

See this article for how to remove objects more reliably:
https://www.lightroomqueen.com/generative-remove-replace/

Most complaints about Remove are addressed in the article. But if it doesn't help, please attach a full-resolution JPEG exported from the unmodified original photo, so we and Adobe can see the issue in detail. With nearly everyone who has posted a problem photo, we've been able to show how to quickly remove the desired objects.

@Norbert37623792xq2h: "even when only removing unwanted birds or sensor dust in the sky, in 80% of all cases it creates visible edges that can not be removed with LR"

There have been a couple other similar complaints here, but no original photos posted showing the problem.  Please attach a full-resolution JPEG exported from the *unmodified* original photo, so we and Adobe can see the issue in detail.

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@paulao65014850: "it just leaves a Ghost of the object, does not get rid of it. ... it happens every time I tried to use"

Make sure the Opacity slider is set to 100:

You'll have to make at least one brush stroke to see the slider. 

If that doesn't help, please attach a full-resolution JPEG exported from the unmodified original photo, so we and Adobe can see the issue in detail. With nearly everyone who has posted a problem photo, we've been able to show how to quickly remove the desired objects.