Thanks again for the replies.
1. Changes at map level are not shown in the table of contents.
→ What kind of changes?
Basically, added and deleted topic references, so that you can look at the TOC and tell that a topic reference has been added/changed/deleted.
Also, changes to the structure of the map (re-ordering, adding/rearranging parts, etc.)
2. Added whole topics are included but not marked.
3. Deleted whole topics are not included.
→ You mean topicrefs added or removed in the DITA Map, right? How would you like to see them? Maybe highlighted in the table of contents?
Sorry, I should have made it clear that only 1. referred to map changes.
If a topic has been added, we'd like some indication in the body of the manual (like a sidebar). I must admit I'm not sure what the best way to show a deleted topic would be. Strikethrough the whole topic, maybe.
5. Added images are included but not marked.
→ There should be something like a [no] number after the image, number which when clicked should take you to a footnote.
→ No other visual indicator though...
→ How would you suggest a better handling of inserted images should look like?
I did a little more checking with images. It seems that:
If an image inserted just using an image element is added, it is shown without any indication (no footnote number).
If an image inserted just using an image element is deleted, it is deleted without any indication.
If an image inserted using a fig element is added, it is shown with a footnote number. Some other visual indicator such as a sidebar would be useful.
If an image inserted using a fig element is deleted, it is shown as a deleted text reference (red text with strikethrough, which is fine).
Would it be possible to have images inserted just using an image element handled in the same way as images inserted using a fig element?
6. Deleted elements are not included.
They should, might depend on what element you deleted though. I tested by deleting a bold element containing some text.
As you say, it seems to depend on the element. I first tried with p elements, and they are deleted without any indication. I've since also tried with title, li and ph, and these are shown in red text with strikethrough.