Microsoft has released a cumulative update with non-security improvements and fixes for Windows 10 version 1803, the April 2018 update. This update includes a long list of improvements and fixes with no new operating system features introduced.
See KB4493437 for the list of improvements and fixes as well as the various know issues and accompanying workarounds.
If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device. The update is available from Windows Update or the Microsoft Update Catalog. In addition, the latest servicing stack update (SSU), KB4485449, will be offered automatically.
Microsoft also released KB4493453 for Windows 7 which includes improvements and fixes that were a part of KB4493472 (released April 9, 2019) as well as new quality improvements as a preview of the next Monthly Rollup update.
Also note the following information in the update:
"Starting with KB 4493472 Monthly Rollup updates will no longer include PciClearStaleCache.exe. This installation utility addressees inconsistencies in the internal PCI cache. This can cause the symptoms listed below when installing monthly updates that do NOT include PciClearStaleCache:
- Existing NIC definitions in control panel networks may be replaced with a new Ethernet Network Interface Card (NIC) but with default settings. Any custom settings on the previously NIC persist in the registry but were unused.
- Static IP address settings were lost on network interfaces.
- Wi-Fi profile settings were not displayed in the network flyout.
- WIFI network adapters were disabled