https://www.bleepingcomputer.com/news/microsoft/windows-10-kb4577063-update-fixes-internet-connectivity-wsl2-issues/

​Microsoft released the Windows 10 2004 KB4577063 non-security preview cumulative update with fixes for Internet connectivity and Windows Subsystem for Linux 2 (WSL2) issues.

Microsoft says that Windows 10 users who install the KB4577063 non-security update might experience issues with input, receive unexpected results, or might not be able to enter text it using the Microsoft Input Method Editor (IME) for Japanese or Chinese languages.