Windows 11 now lets users choose their default user folder name during setup. The new OOBE option fixes the 5-letter folder issue.
The latest Windows 11 preview build introduces the ability to specify a custom user directory for your account, something both macOS and Linux have had forever.
Microsoft's latest Windows 11 Beta and Dev updates (KB5079458 and KB5079464) introduce a custom user folder naming option during setup, new driver security policies, and better system recovery tools.