Unraid 7.4 makes it easier to see what your server is doing and manage what’s running. Track Mover progress, keep background tasks in view, and control your Docker containers’ memory use and network connections - all from the web interface.

Unraid 7.4.0-rc.1 is ready for testing ahead of the stable release. This is a release candidate so please install on a test system.

Security

The cumulative 7.4 changes validate OpenTerminal inputs before shell commands, display guest-agent network-interface names as text, and anonymize public IPv6 addresses in diagnostics. Community contributions also remove curl -k from public notification agents, restoring certificate verification.

The 7.4.0-rc.1 release uses the same base package versions as 7.3.3. Notable security-related packages compared with beta.3:

• OpenSSL 3.5.8-2 - unchanged from beta.3.

• Samba 4.22.11-2_LT - unchanged from beta.3.

• PHP 8.4.24-1_LT → 8.4.26-1_LT.

• nginx 1.30.4-1_SBo_LT - unchanged from beta.3.

The release-diff report annotates a pcre2 security update and a util-linux update referencing CVE-2026-78408. See the full release notes for package details.

Linux Kernel

The Linux kernel advances from 6.18.52-Unraid in beta.3 to 6.18.54-Unraid.

Docker

You can now connect a container to multiple custom networks. Those connections stay in place when you update or recreate the container.

Advanced View adds a memory limit field, giving you control over how much memory each container can use. The Add/Edit form also previews your container’s icon, with a fallback if the image is missing or invalid.

Update checks now support OCI images and refresh local image information. Fixes also prevent repeated attempts to load missing icons, preserve the shared default icon, and display the correct creation date for orphaned images.

Docker Engine is updated to 29.8.2.

Storage / File Manager

Mover now shows progress and status, so you can see how file transfers are going. It also preserves hard links between files in different subfolders of the same share.

File Manager keeps the source file if a move between shares on different pools or drives fails. Exclusive shares stay under /mnt/user, keeping navigation consistent.

Fixes to the user-share filesystem prevent freezes and a crash that could make shares unavailable.

Drive identification now supports SGPIO/IBPI-capable controllers when SES is unavailable. You can also start an encrypted array by entering a valid passphrase and pressing Enter.

ZFS remains at 2.4.4, rebuilt for the updated Linux kernel.

WebGUI / System

A new task tray brings background plugin, Docker, and virtual machine operations into one place. Queue tasks and reopen them from any browser tab to check progress. Task windows also adjust to your screen size.

Plugin installs now show progress as it happens. Update checks run independently, so one slow plugin no longer holds up the whole page. Plugins with available updates stay at the top, and failed checks show an explanation instead of incorrectly reporting “up to date.”

You can configure your server’s physical power button under Settings > Power Settings > Power Button. These settings also work alongside the Dynamix System Buttons plugin.

Other fixes

• License checks retry after temporary connection problems.

• Stopped arrays show their offline status instead of 100% utilization.

• Boot-device space usage remains visible when the array is stopped.

Networking / Hardware

Since beta.3, the firmware inventory adds 12 files for Intel wireless, MediaTek Bluetooth, Marvell, and Realtek Bluetooth hardware.

The cumulative 7.4 series also expands Intel, MediaTek, and Realtek wireless support, including RTW88 8812A/8814A/8821A and RTW89 8851BU/8852BU. It adds controller, sensor, and audio-codec support, provides the optional netconsole module, and aligns network defaults with Fedora’s sysctl baseline.

Virtualization

Unraid 7.4 adds support for running under Hyper-V, including drivers for storage, memory management, keyboards, and communication with the host.

This release also fixes an unnecessary warning during VM startup and updates QEMU helper messages.

Unraid API

Updated dynamix.unraid.net from 4.37.4-5 in beta.3 to 4.37.5-2. See the Unraid API changelog.

Base Distro

This release updates the underlying system packages with security fixes and maintenance improvements. It includes 41 package updates since beta.3 and uses the same base package versions as Unraid OS 7.3.3.

See the full release notes for the complete package list.

Known Issues

The current rc.1 draft lists no new release-specific known issues and refers to the 7.4.0 release notes for previously documented issues.

Rolling Back

The current rc.1 draft lists no release-specific rollback warnings. See the 7.4.0 release notes for prior guidance.

Upgrading

For step-by-step upgrade instructions, see Updating Unraid.

Questions about your license? See the Licensing FAQ.

Release Links

• Unraid 7.4.0-rc.1 Release Notes

Community contributions

• Thanks to junkerderprovinz for live plugin-install progress

• Mainfrezzer for the registry User-Agent and OCI support

• Joly0 for the Docker fallback-loop fix

• chodeus for the shared-icon and orphan-image date fixes

• Sacred-Shadow for removing curl -k from public notification agents

Okay, I'll go first

Current Version: Unraid 7.3.2

New Version: Unraid 7.4.0-rc.1

All working well!

Running 7.4.0-rc.1 for a couple of days. Same working well. No issues.

Upgraded from 7.3.3

Motherboard: X399 SLI PLUS

AMD Ryzen Threadripper 1920X 12-Core @ 3500 MHz

Memory: 96 GiB DDR4

GeForce RTX 4060 Ti

Edited October 17Oct 17 by OuticNZ

Updated from 7.3.3 to 7.4.0-rc.1 no issues

Thank you for the upgrade

Made the move no issues so far

7.3.3 to 7.4.0-rc.1

This is my current production server Grok Bot said go for it LOL

AMD AMD Ryzen 7 5800X 8-Core

64gig DDR4

GeForce RTX 3090

Intel X550-T2 NIC Ethernet Card with X550-AT2

Can we get some clarification/guidance on the supported installation and licensing steps for running unraid under hyper-v? This is something that I've wanted to do for ages on my primary server that runs windows. My backup server is unraid on bare metal, but I would love to consolidate a couple of my linux hyper-v vm's that I use for docker under a single unraid vm for easier management and storage mapping.

AFAIK, it is not officially supported. It's always been a situation of "If you want support you need to run bare metal".

1 hour ago, BRiT said:

AFAIK, it is not officially supported. It's always been a situation of "If you want support you need to run bare metal".

It looks like they're at least adding less friction to running under hyper-v based on the changes. I know I'm in a small minority of users that would want to do this for a production system, but I would imagine this will be extremely useful for those looking to test version upgrades or use it for plugin development without requiring dedicated hardware.

My assumption is that licensing will have to be handled by virtual tpm as USB passthrough isn't really an option for hyper-v. Some clarification on the expected installation/boot method and licensing would be nice. Hopefully someone from the dev/support team can chime in on this.

Since TPM licensing is unavailable for VM installs that's indeed an interesting question...

Mover: files and folders whose name ends in a space are never moved (and a same-named neighbour can be moved instead)

Seen on 7.4.0-rc.1, and the same move binary behaves this way on 7.3.3.

The Mover seems to strip trailing whitespace from every path it reads on stdin. A file or folder whose name ends in a space (or tab) is then looked up without it, fails with «No such file or directory», and stays where it is. The mover still exits 0. With «Mover logging» disabled (the default) nothing is logged about it, so a share looks fully moved while some files are still on the pool.

It gets worse when a file 'twin' sits next to 'twin ' asking for 'twin ' moves 'twin' instead.

It only bites real trailing spaces (byte 0x20) in the name on the server. Names written by apps on the server have them: Nextcloud (synced from a Mac), containers, the terminal, NFS clients. In my case it was folders like '06 June ' inside a Nextcloud data share. A name with a trailing space made in the macOS Finder over SMB is not affected, because Samba stores the trailing space as U+F028, so such a folder moves fine.

Edited October 18Oct 18 by UnraidSecretaryOffice

13 hours ago, UnraidSecretaryOffice said:

Mover: files and folders whose name ends in a space are never moved (and a same-named neighbour can be moved instead)

Please create a bug report in https://product.unraid.net/b/unraid-os-prerelease-bugs-feedback

Thanks! Done.

Edited October 19Oct 19 by UnraidSecretaryOffice

One of my servers has been on this version for 8 days now and it's working well. 😊

It hasn't had any problems.

Up-time 6 days non-stop, no issues. Thank you guys for the hard work, Unraid is running beautifully.

Would you recommend waiting for 7.4.999 to be released before updating from 7.3.999? In other words, updating from the latest version to the latest version?

Or should I just install every update right away, since these versions are very stable? Maybe wait another month, in case there’s a quick fix for minor issues?

P.S.: This is a NAS that’s only accessible on the LAN and can be accessed from a cell phone via WireGuard.