Windows 8.1 build 9600.16581

Windows 8.1 build 9600.16581 is a build of the Spring 2014 update for Windows 8.1.

On 2014-01-08, WTZor.Net released an article that described this build. Seven screenshots were published in the article. They also tweeted several screenshots, two of them not even included in the article.

On 2014-01-13, another screenshot was posted by Hipek to the CentrumWindows ▪ forum.

Updates
This build was receiving updates.

6.3.9600.16593.winblue_s14.140103-2115
On 2014-01-15, WTZor.Net released an article that described this upload. 5 screenshots were published with the article.

On 2014-01-18, Hipek posted 3 screenshots of this build to CentrumWindows ▪ forum.

6.3.9600.16594.winblue_s14.140106-1800
This build was reported by ultrawindows. This buildstring was listed on "Is This File Safe?" website: source.