What is the expected state of ReFS for consumer use as of now?

The correct answer reflects the current status of ReFS (Resilient File System) as being in development and not ready for general consumer use. ReFS was introduced by Microsoft as a new file system with the goal of providing improved data integrity, scalability, and resilience, primarily aimed at enterprise environments and specific data center applications rather than consumer-level usage.

ReFS has not been fully rolled out for general consumer use and remains limited primarily to server operating systems and certain specialized applications, as Microsoft has focused on perfecting its capabilities before wider implementation. This development phase indicates that while ReFS may show potential, it is not yet optimized or intended for average consumers who often rely on NTFS (New Technology File System) or other established file systems.

Understanding this context clarifies why the other options do not correctly describe the state of ReFS. It is not widely available and used by consumers, nor is it a legacy system being phased out or discontinued by Microsoft. Instead, Microsoft continues to refine and innovate ReFS, pertinent to their goals for enhanced performance in specific contexts.