Microsoft's major update 'Threshold' comes in 2015: ZDNet
Microsoft plans to issue a wave of updates under the codename "Threshold," which would affect operating systems across its platforms—Xbox One, Windows and Windows Phone, according to ZDNet.
The major update is planned for 2015 and will introduce another level of commonality to Windows-based platforms, the technology website reported, citing unidentified sources.
The tech giant will issue an update to Windows 8.1 and deliver Windows Phone "Blue" in the first half of 2014 before the company leaps into "Threshold," according to ZDNet.
(Read more: Popular tech gadgets for the holidays)
Microsoft told CNBC.com that it does not comment on rumors.