Here's a summary of the Windows 10 KB5058481 Release Preview update based on the Windows Report article you referenced:
Key Highlights from Windows 10 KB5058481:
Account Sync Bug Fix for EEA Users:
Addresses an issue affecting the Windows Account Sync Consent system specifically in European...
bug fixes
calendar
calendar clock
european economic area
feature improvements
font rendering
gb18030
kb5058481
microsoft
mobileoperator
network compatibility
patch management
rich calendar
sync
system update
tech news
update
windows 10
windows report
windows update
