Will there be a new lock screen for 12.04?

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http://askubuntu.com – I have read in many blogs that old lock screen is replaced by new lock screen in Ubuntu 12.04 (http://news.softpedia.com/news/Ubuntu-12-04-LTS-Has-a-New-Lock-Screen-25...) But when I installed 12.04 Beta 2 (and updated my system) , its still showing old lock screen. Any idea if its delayed ? (HowTos)