Using 7.8.2 may have been extreme but 7.8.11 still uses progress bars so the results are similar

Currently, the number of skeleton squares shown is the Default Fetch Limit of Specify 7 (20).
This is also how many Attachments will be fetched when you scroll down far enough from the page.

Additional Attachments will be fetched when the scroll bar is a certain distance from the bottom. Thus the issue arises when you have a large scale for Attachments. You have to scroll further to reach the 'bottom' and there are always 20 Skeleton Squares.

@carlosmbe Do you have any suggestions to how this should be changed?

Do you think there should be no skeletons in the Attachment Gallery?

Personally, I think the skeletons are nice, but either the amount of scroll-distance distance before they are fetched or the amount of squares themselves should adjust based on the scale set in the Attachment Gallery.

Alternatively, we can only show the skeleton squares when they are being fetched.
Similarly to how the Query Builder loads its results

either the amount of scroll-distance distance before they are fetched or the amount of squares themselves should adjust based on the scale set in the Attachment Gallery.

Alternatively, we can only show the skeleton squares when they are being fetched.
Similarly to how the Query Builder loads its results

Yes, this is an oversight of the attachment fetching code I wrote. Both of the solutions you proposed are nice, though the first one is likely better as it would reduce amount of layout shifts happening

This issue is still pretty annoying... users don't often recognize the issue but I see it often

Can recreate in edge (7.9.6)