Tooltips not working after upgrading to Unity 4.0.1f2

After upgrading from Unity 3.something to the lastest Unity 4.0.1f2 all my tooltips doesn’t show up
Any other one have encountered this issue ?
I don’t see anything related to this in the release notes, all I have seen is a note about improvement to the gui system without any details and I feel that they have messed up with the GUI.tooltip ??
prior to the upgrade it was showing correctly so I guess it isn’t something in my code
So does unity have changed something related to GUI.tooltip ? I’d appreciate if someone would point me out to the changes

I have tried some work around to get the tooltip passed to different windows as I have no clue why a button on the OnGUI function wouldn’t pass its tooltip to another window or why a button on a window wouldn’t pass its tooltip outside the window even though the documentation says it is global
Am I missing something here ?

Hi,

It’s not just you. I submitted a bug and repro project for this (please consider doing the same).

–Alex