Microsoft has now pushed Windows 10 Spring Creators update (Version 1803) preview Build KB4100375 (OS Build 17133.73) to insiders in Fast, Slow & Release Preview rings.
This update includes the following quality improvements (no new OS features).
- Addresses a PDF security issue in Microsoft Edge.
- Addresses an issue that, in some instances, prevents Internet Explorer from identifying custom controls.
- Security updates to Internet Explorer, Microsoft Edge, Microsoft scripting engine, Windows kernel, Microsoft graphics component, Windows Server, Windows cryptography, and Windows datacenter networking