It's been some time since i have needed to delve into the present Branch/Current Branch for Business/Long Term Servicing Branch servicing matrix Microsoft made for Windows 10.

By April 8, I'm able to cure it no longer, as Microsoft has designated its November 2015 update of Windows 10 as its new Current Branch for Business (CBB) release. (Before today, the latest cheap project 2013 professional release considered a CBB was Windows 10 1507, a k a the July 2015 RTM version of Windows 10 released last summer.)

Microsoft is going to be publishing updated media for Windows 10 1511 -- the version also known as Windows 10 1511 and make 10586 -- "in the approaching weeks" through Windows Update, Windows Update for Business, Windows Server Update Services, its Volume Licensing Service Center and MSDN.

What's technically considered the most recent CBB release is microsoft office 2016 1511 plus a March cumulative update (KB3140768).