zfs-2.3.0-rc1

We are excited to announce the first release candidate (RC1) of OpenZFS 2.3.0! This milestone marks a significant step forward in our continuous efforts to enhance the performance, reliability, and features of the OpenZFS file system.

Key Features in OpenZFS 2.3.0 RC1:

• 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.
• 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.
• Supported Platforms:
  • Linux kernels 4.18 - 6.11,
  • FreeBSD releases 13.3, 14.0, and 14.1.

How to Participate:

We encourage users and developers to test this release candidate and provide feedback. Your input is invaluable in ensuring the final release meets our community's needs. Please report any issues you encounter in our GitHub repository.

Full Changelog: zfs-2.2.0-rc1...zfs-2.3.0-rc1