https://wccftech.com/windows-10-kb5005101-build-19043-1198-v21h1-release-preview-channel/

Microsoft has released Windows 10 21H1 Build 19043.1198 to Insiders in the Release Preview Channel. Windows 10 May 2021 Update Build 19043.1198 (KB5005101) brings the following improvements:

Microsoft has also mentioned one known issue in today's release for Insiders currently running Windows 10 May 2021 Update, aka version 21H1. The Windows maker said that the Windows Update settings page "may hang after you download an optional update."