Microsoft has announced that the Windows May 10th 2021 Update (21H1) is complete and being prepared for release. Microsoft believes build 19043.928 is the final build for the May 2021 Update. Windows 10 21H1 will likely be released as an optional update during the upcoming May 2021 Patch Tuesday updates. Microsoft has not provided a specific date when the update would begin to rollout, but it is likely to be offered to more people to increase testing and provide Microsoft with more diagnostics.
Source: https://www.bleepingcomputer.com/news/microsoft/microsoft-is-preparing-to-release-the-windows-10-may-2021-update/