https://wccftech.com/intel-windows-10-1809-compatibility/

"Excessive processor demand and reduced battery life" is to blame for the block

Microsoft decided to begin the Windows 10 October 2018 Update rollout process for the public yesterday, skipping the release for the Release Preview ring. The company offers a number of new features with its latest incremental update to Windows 10. However, as many had suspected, it doesn’t come without issues.