Microsoft today released a new cumulative update for the Windows 10 version 1809 "October 2018 Update". This is the first update released by the company for version 1809. The patch is KB4469342, and it raises the Windows build number to 17763.168.
Microsoft is silently releasing a new cumulative update KB4469342 to Insiders who have configured their PCs to receive updates from the Release Preview ring. They are getting KB4469342 along with a new servicing stack update, KB4470788.