It's a few weeks since I looked at it but I was pretty sure that suspension wasn't in there any more because of the newly inserted fix-body. It's a tricky problem - the array can't get any bigger without it being a breaking change (the elements that come later in the shared memory block will have different offsets). Removing the 'pit menu top' element will probably break some apps
I am not sure though when MENU_TOP item is used ... but it is index is currently for FIX_SUSPENSION which is still exists and used in the pit-menu (hence we have have 4 fix-items now instead of 3). I am not sure how it worked earlier, as I recently started to develop my plugin, I will login on my computer to doublecheck, but it works for now though.
Bug report: usually userId field for AI drivers has -1 value, but after joining a multiplayer session, some AI drivers in single player have other values for userId, the kind human drivers have.