The add-in checks a Windows Store app's performance and health.
The update is supposed to be out this spring.
Former head of the .NET platform is promoted in the wake of Satya Nadella's ascension to CEO.
The update comes close on the heels of Update 1, which came out just over two weeks ago.
The new head has a strong engineering background, with 22 years at Microsoft.
- By Jeffrey Schwartz
The update, available through NuGet, supports older versions of the .NET Framework.
The first release is an open source Chassis Manager software specification, which outlines power supply and fan details.
Version 5.0 of the app certification requirements is also out.
The cuts will be in the areas of block blob storage and disk/page blob storage pricing, and are scheduled to take effect on March 13.
Office revenue down, but Windows Phone profits pick up.
Rumors also suggest Windows 8's successor may come next year.
The Visual Studio Online site is also experiencing growing pains.
Microsoft dropped offering its own version of Hadoop for on-premises deployments.
Update 2 is not far behind, either.
China, meanwhile, continues to develop its own China Operating System (COS).
Cisco security report finds that 76 percent of corporations studied are still running the vulnerable and unsupported Java 6.
"Windows 9" preview is expected to be the highlight of the show.
The free extension currently works only with Visual Studio 2013.
Windows 9 bits aren't scheduled to be released at this year's Build event, however.
Information expected on the next version of Windows, rumored to be called "Windows 9".