Last Thursday, Microsoft released all of these Win10 cumulative updates:KB 4458469 takes Win10 version 1803 to build 17134.319KB 4457136 turns Win10 1709 into build 16299.697KB 4457141 moves 1703 to build 15063.1358KB 4457127 transforms Win10 1607 and Server 2016 to build 14393.2517Each of the cumulative updates includes dozens of patches for what appear to be minor bugs.
In the case of Win10 1803 and 1709, they were the third cumulative updates in nine days.
So much for Patch Tuesday, eh