In the week I've been using A18 I've got quite used to dragging various guides and tools straight from the menus to where I want them. However, there are two issues that I've come across. Both are reproducable.
First, if I try to drag 'Passage Analysis' from the 'Tools' menu, it opens the 'Program Settings' instead:

Second, I cannot drag anything directly from the menu into the same pane as 'Passage Guide', the 'Exegetical Guide' or the 'Bible Word Study' (note that the blue highlighting does *not* appear in the screenshot below, compare with the one above):
