> > When I say none of the control drop-downs work, I mean those that are > built-in, such as: the traditional "File Edit View ..." menu, right > clicking on a toolbar to customize, any *group* of Bookmarks (single > Bookmarks work), the Back and Forward buttons (when you keep them > pressed, nothing happens), and add-on provided drop-downs (NoScript > options, in particular). Also, things like Alt-F (to get the File menu > drop-down) don't work.
This sounds like exactly the behaviour we see in our Remote XUL applications: https://bugzilla.mozilla.org/show_bug.cgi?id=1228979 However this issue appeared for us with e10s, which doesn't fit with you also seeing it on 45ESR. Nevertheless, we're able to work around it by disabling multi-process mode in 52ESR, so that might be worth a try. (As for us using Remote XUL still, that's another conversation entirely). Mark
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