This is literally never going to get better despite promises. It’s a filesystem limitation of NTFS. Small files cause MFT contention due to the architecture of NTFS.

This has always been a problem. Check out a really big git or SVN repo on the native box using native windows tools and compare to a native Linux install on ext4. Ext4 can take 10% of the time to complete.

ReFS suffers the same fate too.

I can’t say anything more than walk away.

Using a VM is orders of magnitude faster.