Windows 10–Resumption of Releasing Optional Non-Security Updates

Posted: July 6, 2020 in Windows 10
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Microsoft to resume releasing optional non security updates in July 2020


  • Microsoft will resume providing optional non-security updates in July 2020
      • Release of non-security updates was placed on hold in March 2020
  • Validated, production-quality optional non-security releases will be now called “Preview” releases
  • Preview releases will be offered only for Windows 10 and Windows Server, version 1809 and later
  • Preview releases provide the opportunity to test planned non-security updates that are scheduled for and included in the following month’s version specific cumulative update.
  • Preview releases are generally released in the 3rd week of the month(aka ‘C week’), unlike the monthly version specific cumulative update(operating system and security) which are released in the 2nd week(aka ‘B week’) of the month.


Additional Information:



July 02 2020: Initial Draft Date

July 06 2020: Original Publish Date

July 08 2020: Added comment clarifying 2nd and 3rd week nomenclature(B week, C week)

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