November 28, 2023 Releases

Unraid 6.12.5 Now Available

6 12 stable 6

The Unraid 6.12.5 release includes a mitigation for a ZFS data corruption issue, along with other bug fixes and security updates.

All users are encouraged to read the release notes and upgrade.

Upgrade Notes

Known Issues

There is a mitigation included for a ZFS Data Corruption issue. This is accomplished by including this option in the default




Please see the 6.12.0 release notes for general known issues.

Rolling back

If rolling back earlier than 6.12.4, also see the 6.12.4 release notes.

Need an Unraid Easy Button?

We now offer custom, 1-on-1 support with Unraid experts in the English, French, and Spanish languages.

Changes vs. Version 6.12.4

Bug fixes and Improvements

  • Replaced the very old 'MemTest86+' with Memtest86+ version: 6.20
  • When 'mirror syslog to flash' is enabled, view syslog-previous at Tools -> Syslog, and in diagnostics


  • Docker containers were not always stopping, preventing docker from unmounting
  • Docker containers using IPv6 on custom networks were unable to start


  • if User Shares was not enabled, update_cron was not called during array Start sequence

rc.nginx stop

  • force nginx to stop


  • Allocation method was not working correctly if 6 or more disks were specified in the 'include' mask


  • Downgrade.php was not updated for 6.12
  • always show ipvlan / macvlan setting


  • use 'zfs import -f' to ensure pools from other systems get imported
  • prevent auto-spindown of unformatted devices

Package Updates

  • curl: version 8.4.0 (CVE-2023-38546 CVE-2023-38545 CVE-2023-38039)
  • firefox: version 119.0.r20231106151204 (AppImage)
  • intel-microcode: version 20231114
  • kernel-firmware: 20231024_4ee0175
  • qemu: version 7.2.0
  • samba: version 4.17.12 (CVE-2023-3961 CVE-2023-4091 CVE-2023-4154 CVE-2023-42669 CVE-2023-42670)
  • smartmontools: version 7.4
  • zfs: version 2.1.13

Linux kernel

  • version 6.1.63
  • CONFIG_NFS_V4_1: NFS client support for NFSv4.1
  • CONFIG_NFS_V4_1_MIGRATION: NFSv4.1 client support for migration
  • CONFIG_NFS_V4_2: NFS client support for NFSv4.2
  • CONFIG_NFS_V4_2_READ_PLUS: NFS: Enable support for the NFSv4.2 READ_PLUS operation
  • CONFIG_NFSD_V4_2_INTER_SSC: NFSv4.2 inter server to server COPY

Got Bugs?

If you discover a bug or other issue in this release, please open a Stable Releases Bug Report and include your system diagnostics.

Forum Release Announcement

Please check out our friendly forums for general comments and quick questions.