A better workaround for the disappearing entries in the settings and help menu than that given in
is to remove the noMerge="1" attributes of both menu entries in the local kileui.rc file. No customization is lost and all entries are shown again.
There are also other projects, which are affected by the KEditToolBar patch in KDE 4.9.2 , see
This project has solved this problem.
Perhaps this helps, as I still have no idea to solve this in Kile.