In the Properties inspector for a document (and others I’m sure), when you click quickly, the clicks are dropped.
Example:
Bring up the Document Properties inspector and go to the Fields tab:
Click rapidly on the Up or Down Arrows. Notice that clicks are missed. You actually have to click VERY SLOWLY for clicks to be recognized.
The same behavior occurs in the Text inspector with the list of fonts:
ALSO, in previous versions of the Mac client, you used to be able to jump to the entries by typing the first letter of a field name. This no longer behaves this way. Rather, you get the search dialog pop open.