Hi All,

Unraid OS 7.3.0-rc.1 is now available for testing.

This release candidate includes the full 7.3 feature set for users upgrading from 7.2.4, with major updates across onboarding, internal boot, licensing, Docker, storage, virtualization, hardware support, and bundled packages.

Highlights (vs 7.2.4):

• New onboarding wizard for first-time setup, including language, time zone, theme, activation code settings, and boot option selection.

• Internal boot support, including dedicated boot pools and improved boot-device workflows.

• TPM-based licensing for new and replacement keys where supported.

• Docker updated to 29.3.1.

• New fixed MAC address field for Docker templates, with MAC addresses shown in Advanced View.

• Fixes for Docker MAC persistence, duplicate user templates on case-sensitive boot storage, and stale phantom containers after the Docker 27 to 29 upgrade path.

• ZFS improvements, including corrupted-file visibility and a WebGUI control for zfs_arc_max.

• Storage fixes for 4Kn/XFS compatibility, larger pool-device names, mover availability, parity swap spin-down behavior, and daily ZFS wakeups.

• WebGUI and system fixes for boot configuration, System Devices, CPU isolation, rclone persistence, proxy checks, notifications, and interface parsing.

• File Manager UI, performance, upload, move, rename, and path-handling improvements.

• Hardware support updates for AMD XDNA/ACP, AMD NPU firmware, Intel Bluetooth firmware, Intel wireless firmware, and the amdxdna kernel module.

• New Settings → Tailscale stub page for easier plugin discovery.

• QEMU updated to 10.2.2, libvirt updated to 12.2.0, and OVMF refreshed.

• Linux kernel updated to 6.18.23-Unraid.

• Security package updates for bind, runc (docker) and libpng CVEs.

• Base package refreshes including bind, btrfs-progs, docker, glib2, gtk+3, mesa, nfs-utils, xfsprogs, and zfs.
  

Changes from beta.2:

• Docker fixed MAC handling now has a dedicated template field and live MAC display in Advanced View.

• Docker template lookup now handles case-only filename differences on case-sensitive boot storage.

• Boot pool and pool-device display fixes for missing, wrong, or larger device names.

• CRLF handling for Syslinux and GRUB configuration files.

• File Manager theme fix on the Main tab.

• QEMU 10.2.2, libvirt 12.2.0, refreshed OVMF firmware, and virtiofs hang fix.

• dynamix.unraid.net updated to 4.32.3.
  

Just a note about 7.2.5 - we're still cooking up this release and wanted to get this RC out to the community a bit sooner so you can benefit from these awesome changes - expect that release sometime in the next week or two.

Nice! Up and running with the random mac-problem solved (I have added fixed macs to my containers).

Edited April 22Apr 22 by Niklas

about the note, does this release have the security updates from 7.2.5?

Yes it does @Ockingshay sorry for the confusion. We're making sure that is directly included in the release-notes.

Do you know if its still on the roadmap for a migration assistant to go from split pool to dedicated pool? Or some sort of documented guide on how to accomplish this? I know its probably me being lazy but i really dont want to mess with going back to USB then migrating to internal boot again after going to a split pool in beta1. I know I know, but I also think the wizard would be helpful for future needs as well.

Not sure if it was this version or the last, but the "Motherboard" temp on the main dashboard is no longer reporting, and Plex transcoding on the i915 driver and the iGPU in my Core 2 Ultra 7 265k is no longer working.

14 minutes ago, Subsven said:

Not sure if it was this version or the last, but the "Motherboard" temp on the main dashboard is no longer reporting, and Plex transcoding on the i915 driver and the iGPU in my Core 2 Ultra 7 265k is no longer working.

Two of my Docker containers (JellyFin and Ollama) broke as well with the Nvidia going Beta 2 to RC. Rolling back hasn’t fixed so I haven’t been confident enough to say this update broke it and slap it on the feedback. It worked Beta 2.

Thanks for the reports. We'll look into these and please remember to post feedback in this board: https://product.unraid.net/b/unraid-os-prerelease-bugs-feedback

Additionally, to answer your question: @chog - we're likely (not 100% sure we'll do this yet) going to publish a tool to do this BUT we'll likely not endorse the usage, as it could be destructive if used incorrectly. I'll try to remember to update this post (or the next one), but likely @SimonF will post this on the forum at some point with the tool.

1 hour ago, Intrepid00 said:

Two of my Docker containers (JellyFin and Ollama) broke as well with the Nvidia going Beta 2 to RC. Rolling back hasn’t fixed so I haven’t been confident enough to say this update broke it and slap it on the feedback. It worked Beta 2.

Yeah, I just dug into it more and it's most likely a driver and package version mismatch issue. I don't normally do Beta releases, but I was really excited to get the new kernel 6.18 for Xe support, and the internal boot support, so I might have jumped the gun. Xe still doesn't work, but at least my server no longer hangs like it used to with USB on reboots, even on a brand new purpose built system.

Specifically with the motherboard temp issue, I just checked the Dynamix plugin and when I refreshed it, I went from like 60 available temp sources to barely 20, and none of the CPU or Motherboard temps were available anymore. Guess I just have to wait for more updates.

9 minutes ago, Subsven said:

my server no longer hangs like it used to with USB on reboots

My server did that from time to time when rebooting. Just showing a blinking cursor after post when the boot menu was supposed to load. Had to push reset when that happened.
Haven't seen that happening with internal boot.

Edited April 23Apr 23 by Niklas

Hello,

Was running 7.3.0-beta.2 (upgraded from a fresh 7.3.0-beta.1 installation), then upgraded to 7.3.0-rc.1.

Unable to launch Windows 11 VM - displays the following error:

"Execution error - unsupported configuration: Emulator '/usr/local/sbin/qemu' does not support machine type 'pc-q35-4.2'"

Edited Windows 11 VM configuration - "Machine" type showing as "Q35-10.2" (see screenshot) but XML file showing value as:

<type arch='x86_64' machine='pc-q35-4.2'>hvm</type>

Clicked on "Update" (without making any changes) - VM then successfully started (XML file showed entry updated to <type arch='x86_64' machine='pc-q35-10.2'>hvm</type> ).

Just thought I would highlight in case this is an issue or maybe just a blip that affected my installation.

2 minutes ago, PPH said:

Hello,

Was running 7.3.0-beta.2 (upgraded from a fresh 7.3.0-beta.1 installation), then upgraded to 7.3.0-rc.1.

Unable to launch Windows 11 VM - displays the following error:

"Execution error - unsupported configuration: Emulator '/usr/local/sbin/qemu' does not support machine type 'pc-q35-4.2'"

Edited Windows 11 VM configuration - "Machine" type showing as "Q35-10.2" (see screenshot) but XML file showing value as:

<type arch='x86_64' machine='pc-q35-4.2'>hvm</type>

Clicked on "Update" (without making any changes) - VM then successfully started (XML file showed entry updated to <type arch='x86_64' machine='pc-q35-10.2'>hvm</type> ).

Just thought I would highlight in case this is an issue or maybe just a blip that affected my installation.

It would change the highest value. We will need to raise the minimum values as looks like the depreciated minimum versions has increased. We update ones no longer support. Please can you raise a bug report at product.unraid.net

28 minutes ago, SimonF said:

It would change the highest value. We will need to raise the minimum values as looks like the depreciated versions has increase. We update ones no longer support. Please can you raise a bug report at product.unraid.net

Bug report raised. 👍

Have we Mover Improvings like a Progress State of his? https://forums.unraid.net/topic/51179-mover-bar-or-information

Would the internal boot work with a 16G Optane drive? Found one for CHEAP on amazon and picked it up for this purpose.

Anyone try booting from an Optane disk?

why usb creator doesn't have this version available?

why is not listed with the other .zip?

It's quite confusing seeing the blog announcing that it's available, with a video to create a fresh boot with usb creator, just to realise, that there is no way of creating an usb to make a fresh install. Have I missed something?

1 minute ago, vmasip said:

why usb creator doesn't have this version available?

why is not listed with the other .zip?

It's quite confusing seeing the blog announcing that it's available, with a video to create a fresh boot with usb creator, just to realise, that there is no way of creating an usb to make a fresh install. Have I missed something?

Select "Unraid OS Releases (Next Branch)" as this is a release candidate.

Edited April 23Apr 23 by Niklas

15 minutes ago, Niklas said:

Select "Unraid OS Releases (Next Branch)" as this is a release candidate.

I didn't see it! Thanks!

7 hours ago, door-to-door-oddball3058 said:

Would the internal boot work with a 16G Optane drive? Found one for CHEAP on amazon and picked it up for this purpose.

Anyone try booting from an Optane disk?

It sure does.

9 hours ago, _cjd_ said:

It sure does.

Score! looking forward to Wed when it gets here

On 4/23/2026 at 9:02 PM, door-to-door-oddball3058 said:

Would the internal boot work with a 16G Optane drive? Found one for CHEAP on amazon and picked it up for this purpose.

Anyone try booting from an Optane disk?

It will. The requirement is a TPM actually

1 hour ago, gyto6 said:

It will. The requirement is a TPM actually

You can still use the flash for the license guid or change to TPM.

On 4/23/2026 at 1:43 PM, Revan335 said:

Have we Mover Improvings like a Progress State of his? https://forums.unraid.net/topic/51179-mover-bar-or-information

Or more Mover Options like: https://forums.unraid.net/topic/70783-plugin-mover-tuning/

I am running in to a firefox issues after the update where it doesn't want to connect until restarted.

It works in edge or if I restart Firefox

Edit: Without rebooting, I had to wait for a couple of hours to finally show up in Firefox correctly. I have no clue why.

Edited April 28Apr 28 by starbetrayer

I have had a constant reboot of my Unraid Server in the past month. After ripping it apart and spending two weeks diagnosing it to learn it was the USB boot drive failed, I was very ready for this update. This is one of those don't do what I do, but what I did comments: I am running 7.3.0-rc.1 in PRODUCTION. Only error I have seen so far is docker advanced mode shows everything needs upgrades all the time. Back in standard mode it does not. So far I have been at it a few hours and enjoy it.

Edited April 28Apr 28 by gumby327