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Windows 10 update servicing cadence

John Wilcox's avatar
John Wilcox
Icon for Microsoft rankMicrosoft
Aug 01, 2018
Update 07.29.2021:  For current information on the Windows servicing cadence and monthly quality updates, see the Windows quality updates primer. I’ve heard from many of you that yo...
Updated Jul 30, 2021
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Servicing and updates
SusanBradleyGeek's avatar
SusanBradleyGeek
MVP
May 08, 2019

For 1809, the month of April and May 2019 have been not very clear at all.  We have 

4/2 (preview) 4/9 (main security) 5/1 (WSUS) and 5/3 (was supposed to be preview but I got it pushed to me on Friday with a reboot)

Why all these random dates and release cadence for 1809?