https://wccftech.com/patch-tuesday-windows-10-update-kb5004237-is-out-for-v21h1/

Microsoft has today released KB5004237 for Windows 10 May 2021 Update, version 21H1, the October 2020 Update, version 20H2, and the May 2020 Update, version 2004. Since these three versions share a core operating system, they receive similar updates every month. Builds 19041.1110, 19042.1110, and 19043.1110 are now available for these three latest versions of Windows 10.

Some of the highlights of today's update include: