Today while I connect my Lumia with my PC, I just got official Update from Nokia.
Here is the screenshot.
I will update the post with change log as soon as my update finished.
Reply from Nokia about ICS
Just received another update from Nokia Care
@NokiaHelps: @iAmSaugata Hi it says it will be available in 2012 in future updates. No specific date is given as we don't have this information. ^HM
In reply to you:
@iAmSaugata: @NokiaHelps According to Nokia Italia http://t.co/rNChXEUJ