Improvements and fixes
This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:
- Reliability improvements and fixes for cellular connectivity.
- Addressed issue in Microsoft Edge where on first launch after installing KB4038788, or periodically thereafter, users may observe performance issues or unresponsiveness until the next launch of the browser.
For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.
Known issues in this update
Installing KB4034674 may change Czech and Arabic languages to English for Microsoft Edge and other applications.
Microsoft is working on a resolution and will provide an update in an upcoming release.
How to get this update
This update will be downloaded and installed automatically from Windows Update. To get the standalone package for this update, go to the Microsoft Update Catalog website.
For a list of the files that are provided in this update, download the file information for cumulative update 4040724.