Databricks Runtime 6.4 is an older version of Databricks’ platform for data engineering, machine learning, and analytics. While it was once widely used, it has reached end-of-life and is no longer supported.

Key points about Databricks Runtime 6.4:

• End-of-Life: Databricks no longer provides updates, bug fixes, or security patches for this version.
• Compatibility: It may not be compatible with newer libraries, tools, or features introduced in later Databricks Runtime versions.
• Security Risks: Running unsupported software can expose your environment to potential security vulnerabilities.

Recommendation:

If you are currently using Databricks Runtime 6.4, it is strongly recommended to upgrade to a supported version to benefit from the latest features, improvements, and security updates.