Coverity's founders, four graduate students from Stanford University and their professor, recently grammar-checked the entire Linux 2.6.9 kernel operatingsystem and found a respectably low 950 bugs in 5.5 million lines.
Windows Phone 7.8 takes care of a number of bugs, tweaks parts of the operatingsystem, and brings in the user interface elements from Windows Phone 8, notably the live tile system has been given the same flexibility as that of Windows Phone 8.
Apple CEO Tim Cook put to rest today any doubt that Apple has had its engineers working round the clock to fix the bugs in the new Maps app in its iOS 6 mobile operatingsystem.