Key Features in OpenZFS 2.3.0:

• RAIDZ Expansion (#15022): Add new devices to an existing RAIDZ pool, increasing storage capacity without downtime.
• Fast Dedup (#15896): A major performance upgrade to the original OpenZFS deduplication functionality.
• Direct IO (#10018): Allows bypassing the ARC for reads/writes, improving performance in scenarios like NVMe devices where caching may hinder efficiency.
• JSON (#16217): Optional JSON output for the most used commands.
• Long names (#15921): Support for file and directory names up to 1023 characters.
• Bug Fixes: A series of critical bug fixes addressing issues reported in previous versions.
• Numerous performance improvements throughout the code base.
• Supported Platforms:
  • Linux kernels 4.18 - 6.12,
  • FreeBSD releases 13.3, 14.0 - 14.2.