https://wccftech.com/kb5007253-windows-10-update-is-now-available-for-insiders/

Microsoft has released another update for Windows Insiders in the Release Preview Channel who are currently testing Windows 10 builds. The fixes being dropped are likely to end up in the next month's Patch Tuesday updates. The Windows maker has today delivered Windows 10 KB5007253, Build 19044.1381 for version 21H2 testers and Build 19043.1381 for version 21H1 users.

We fixed an issue that might affect devices that use Windows Hello for Business and are joined to Azure Active Directory (AD). These devices might experience issues when they access on-premises resources, such as file shares or websites.