Menus not working in translated pages for type "shortcut"
After upgrade to version 4.6 in an old typo3 install we have been having problems with a translated site. The problem is some menus were not generated. After a deep search we found that it was only in the shortcut pages. We have seen the problem comes from the pageOverlayFields variable that comes by default in newer versions. Some of the fileds that weren't before are shortcut and shortcut_mode, and these seems to be the problem. We have deleted these fields in the install tool $TYPO3_CONF_VARS['FE']['pageOverlayFields'] and now it seems to be working perfectly.
The question is, why those fields are in the config_default file now and not where in the old versions, and are they really needed?