UPDATE 10/29: KB4580364 CU Windows 10 v2004 and v20H2 build 19041.610 and 19042.610
Source: https://support.microsoft.com/en-us/help/4579311/windows-10-update-kb4579311
Windows 10 update servicing cadence
UPDATE 7/31: KB4568831 Cumulative Update Windows 10 v2004 build 19041.423 - July 31
Source: https://support.microsoft.com/en-us/help/4565503/windows-10-update-kb4565503
Direct download links for KB4565503 MSU file from Microsoft...
UPDATE 6/18: KB4567523 Cumulative Update Windows 10 v2004 build 19041.331 - June 18
Source: https://support.microsoft.com/en-us/help/4557957/windows-10-update-kb4557957
Direct download links for KB4557957 MSU file from Microsoft...