The qt4-x11 4:4.8.1-0ubuntu1 has been relesed:
https://lists.ubuntu.com/archives/precise-changes/2012-April/013911.html
** Changed in: qt4-x11 (Ubuntu)
Status: Confirmed => Fix Released
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: qt4-x11 (Ubuntu)
Status: New => Confirmed
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Bugs, which is subscribed to qt4-x11 in Ubuntu.
https://bugs.launchpad.net/bugs/946238