A recent article in How-To-Geek provides more details and compares ReFS to NTFS.
The points covered are:
- What Is ReFS?
- ReFS Protects Against Data Corruption
- ReFS Drops Some Old NTFS Limitations
- ReFS Can Be Faster, Sometimes
- ReFS Can’t Replace NTFS (Yet)
- How to Use ReFS
There's also a good video explaining ReFS.
And a series of really technical blog posts covering ReFS.
In a related event, Microsoft has "corrected" an error that allowed OneDrive to use ReFS. The same "error" impacted older file systems, such as FAT32 and exFAT, as well.
Winaero has reported that in Windows 10 Fall Creators Update Microsoft has "removed the ability to create ReFS partitions from regular retail editions of Windows 10. The updated list makes the ability to create new ReFS partitions exclusive to Windows 10 Pro for Workstations and Enterprise edition."