KB4517211 Windows 10 Build 18362.387 19H1 and 18363.387 19H2 - Sept.27 Insider

Manual MSU file downloads have been updated in the first post.

I am on 18363.385 and WU keeps trying to install another CU about and failing every time. They have succeeded in adding over 2gigs to my system.

I think I will use MR and go back to a former Image.

UPDATE 9/27: Today we have enabled 19H2 Build 18363.387 for Windows Insiders in Release Preview. This is just a small refresh update from Build 18363.385 with some fixes for uninstalling 19H2 updates.

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New Weekly Windows 10 Insider Program Pulse Survey - Sept. 27

Whoa. Just now figured out I was behind the curve on my RP laptop and ... sure enough ... KB4517211 is installing right now, which should put me up to the .387 minor build number. Sigh.
--Ed--

mega10user said:

I have an OPTIONAL update labeled 2019-09 CU win10 ver 1903 for x64 systems (KB4517211). I will not update it myself as long as it is 'optional'. Is there a reason many here are having it self-installing (or going ahead and letting it install)? I did a search, found this post, am trying to understand... I am of the thought process to leave optional until it is automatic. Maybe, it will limit any problems?

No need to install it. It will be rolled up into the next Patch Tuesday update. Some of us just like to be early adopters.