Synology DSM 7.2 Release Candidate (RC) Released

The Synology DSM 7.2 Release Candidate (RC) is Now Available

(This article has been updated on 25/04/23)

If you have been holding out for the full release of Synology DSM 7.2, then good news! Synology has now rolled out the official RC (release Candidate of DSM 7.2). A release candidate is generally accepted as the final release of a software/service that is intended as a full release. We have already spent some time with the DSM 7.2 Beta (HERE) and although the changes between the DSM 7.2 RC and DSM 7.2 beta are small at a quick glance (indeed, I only found 2-3 at first), there has been a large number of background improvements, with the implementation of security updates that have been applied to DSM 7.1 over the last few months, all arriving at the same time to this Release Candidate.

Added Features in DSM 7.2 RC since the DSM 7.2 Beta

Here are the surface/noticeable changes that have occurred to DSM 7.2 in this release candidate compare with the beta:

  • More devices Now Support M.2 NVMe SSD Storage Pools. These now include: DS1823xs+, DS923+, DS723+, DS423+, DS1522+, DS1821+, DS1621xs+, DS1621+
  • Added more Synology NAS models to support the M2D18 adapter card: RS822RP+, RS822+, RS1221RP+, and RS1221+
  • Large number of security patches, fixes and changes (way, WAY too long to list here, but I have added them to the bottom of this article, or you can find the link to the official page here – HERE)

Although all those security updates will be music to the ears of users who gave the beta release a miss, for reasons of security and stability, the thing that really stands out for me is the improved range of devices that support M.2 NVMe SSD storage Pools. The DS423+ (an Intel Gen 2 system) will now allow M.2 NVMe SSD Storage pools. However, still no mention of devices such as the DS420+, DS920+ or DS720+ – All of which use this same CPU, in some cases have more default memory, and feature M.2 NVMe SSD bays. Still, overall, at least the DSM 7.2 Release Candidate now has all of the wide-ranging security fixes introduced.

Release Notes for DSM 7.2 Release Candidate

Here is the full list of improvements to the user experience for those moving from DSM 7.1 to DSM 7.2 RC:

  • Added support for WriteOnce shared folders. This feature is based on the Write Once, Read Many (WORM) technology and can be enabled to prevent files from being modified, deleted, or renamed for a specified period.
  • Added support for volume encryption. All volume encryption keys are stored in the Encryption Key Vault, which can be set up on a local Synology NAS or via KMIP on a remote Synology NAS.
  • Added more Synology NAS models to support M.2 NVMe SSD storage pools. Learn more
  • Added more Synology NAS models to support the M2D18 adapter card: RS822RP+, RS822+, RS1221RP+, and RS1221+.
  • Added more SSD cache group management options, including changing the RAID type and replacing a drive.
  • Added support for inline zero-block removal to increase the efficiency of data deduplication.
  • Adjusted how drive information is presented in Storage Manager. Users can now quickly check the condition of their drives by looking at the “Drive Status” field.
  • Users can now view the amount of used and free space for each storage pool and volume in Storage Manager.
  • Added a warning notification for when the available shared folder quota is low.
  • Supports deleting individual desktop notifications.
  • Supports sending DSM notifications via additional webhook providers, including LINE and Microsoft Teams.
  • Supports creating custom notification rules for system events, giving users greater control over what notifications to receive.
  • Supports exporting a list of users and of groups.
  • Added support for SAML to integrate DSM with external SSO servers.
  • Added the option to allow non-admin users to safely eject USB devices.
  • Users can now manually input the IP addresses or FQDNs of one or more domain controllers in the trusted domain. This allows Synology NAS to sync domain data directly with the specified domain controllers.
  • Users can now enable Synology’s email server to send DSM notifications directly to their Synology Account.

Original Article from April 21st 2023 Below:

Synology DSM 7.2 Release Candidate Confirmed

An example of a question we have received regularly in the NASComapres free advice section these last 2-3 months:

“When is the expected release date for DSM 7.2? I’m eagerly waiting to upgrade my Synology NAS and take advantage of the latest features. Can you provide any insights or predictions on when the official release will be available? Thank you!”

The release date for DSM 7.2 has not been officially announced by Synology. That said, a Release Candidate (RC) for DSM 7.2 has been indicated as arriving in the last week of April. A release candidate is a final version that a software developer creates that is intended for full public release. Additionally, Synology has something of a habit of aiming at ‘Tuesday’ when releasing things (I have genuinely no idea why!), so keep an eye on Tuesday, 24th April 2023. (Note – NOW AVAILABLE HERE)

What makes a Release Candidate of DSM 7.2 Different from a Beta Version of DSM 7.2?

As of April 2023, the DSM 7.2 beta version is available, which was announced during the 2023 and Beyond event. The beta version is typically released a few months before the official release to allow users to test and provide feedback. In the past, it has taken around two months for the DSM release candidate (RC) to be released after the beta version. After that, it took another one and a half months for the official DSM release to be available. Based on this pattern, we can assume that the DSM 7.2 RC might be released in late April or early May 2023, followed by the official release in June or July 2023.

What is the Predicted FULL Release Date of Synology DSM 7.2?


It’s difficult to make an accurate prediction since Synology has not officially announced any release dates for DSM 7.2 RC or final version. However, based on the previous release pattern, we can make an educated guess. DSM 7.1 beta was released on February 22, 2022, and it took two months for the release candidate to be released on March 24, 2022. After that, it took another one and a half months for the official DSM 7.1 release on May 10, 2022. Therefore, we can assume that DSM 7.2 RC might be released in late April or early May 2023, followed by the official release in June 2023. However, this is purely speculative, and the actual release dates might vary. It’s best to keep an eye on Synology’s official announcements for any updates regarding the release of DSM 7.2.

Previous DSM Release Dates for Comparison:

DSM Version

Beta Release Date

RC Release Date

Official Release Date

DSM 3.1

Oct 2011

Feb 2012

DSM 3.2

Apr 2012

Jul 2012

DSM 4.0

Aug 2012

Dec 2012

DSM 4.1

Jan 2013

Mar 2013

DSM 4.2

Jun 2013

Sep 2013

DSM 5.0

Dec 2013

Mar 2014

Apr 2014

DSM 5.1

Apr 2014

Jun 2014

Jul 2014

DSM 5.2

Nov 2014

Apr 2015

May 2015

DSM 6.0

Dec 2015

May 2016

Mar 2016

DSM 6.1

Nov 2016

Mar 2017

Mar 2017

DSM 6.2

Feb 2018

Apr 2018

May 2018

DSM 7.0

Sep 2020

May 2021

Jun 2021

DSM 7.1

Mar 2022

May 2022

May 2022

In the meantime, if you’re eager to upgrade your Synology NAS, you can try out the DSM 7.2 beta version. Keep in mind that beta versions are typically not recommended for use in a production environment and may contain bugs or other issues. It’s best to use the beta version in a test environment to evaluate the new features and provide feedback to Synology. That will be good news for anyone keenly following the software development of Synology Diskstation Manager, with Synology releasing the beta for their next big NAS software update, DSM 7.2. Originally previewed back in November 2022 at their global launch event online, this is new update to DSM includes a number of improvements in access, data integrity, scalability and security, along with notable improvements within individual existing featured Synology applications. Synology has a long history of rolling out long-running betas of their larger DSM updates (as well as big updates to their individual Apps in the package center > beta section), so it was always largely assumed that they would do the same for DSM 7.2. Indeed, around 2 months ago, DSM 7.2 downloadable tools appeared in their resource center for developers and software partners to begin modifying their services to DSM 7.2’s new feature set, so a DSM 7.2 Beta ware pretty much inevitable. Synology has launched access to the downloadable beta, and you can access the DSM 7.2 Beta HERE. You can see our early testing of the Synology DSM 7.2 Beta below in our YouTube video:

As mentioned in the Introduction to this article, here is the FULL list of security improvements and updates in the DSM 7.2 rELEASE cANDIDATE:

  1. Updated Mbed-TLS to version 2.28.2 to fix multiple security vulnerabilities (CVE-2021-36647, CVE-2022-46392, CVE-2022-46393).
  2. Updated Libksba to version 1.6.3 to fix a security vulnerability (CVE-2022-3515).
  3. Updated SQLite to version 3.40.0 to fix a security vulnerability (CVE-2022-46908).
  4. Updated Certifi to version 2022.12.07 to fix a security vulnerability (CVE-2022-23491).
  5. Updated Node.js to version 14.21.1 to fix a security vulnerability (CVE-2022-43548).
  6. Updated cURL to version 7.86.0 to fix multiple security vulnerabilities (CVE-2022-27774, CVE-2022-27775, CVE-2022-27776, CVE-2022-27781, CVE-2022-27782, CVE-2022-32205, CVE-2022-32206, CVE-2022-32207, CV E-2022-32221, CVE-2022-35252, CVE-2022-42915, CVE-2022-42916).
  7. Updated PHP to version 8.1.9 to fix multiple security vulnerabilities (CVE-2019-11043, CVE-2021-21705, CVE-2022-31625).
  8. Updated Sysstat to version 12.7.1 to fix a security vulnerability (CVE-2022-39377).
  9. Updated OpenSSL to version 3.0.7 to fix multiple security vulnerabilities (CVE-2022-2068, CVE-2022-2097, CVE-2022-2274, CVE-2022-3358, CVE-2022-3602, CVE-2022-3786).
  10. Updated Expat to version 2.5.0 to fix a security vulnerability (CVE-2022-43680).
  11. Updated Libtirpc to version 2.87 to fix a security vulnerability (CVE-2021-46828).
  12. Updated GnuPG to version 2.2.39 to fix a security vulnerability (CVE-2022-34903).
  13. Updated OpenVPN to version 2.5.8 to fix a security vulnerability (CVE-2022-0547).
  14. Updated libxml2 to version 2.9.14 to fix a security vulnerability (CVE-2022-23308).
  15. Updated GMP to version 6.2.1 to fix a security vulnerability (CVE-2021-43618).
  16. Fixed a security vulnerability regarding Netatalk (CVE-2022-45188).
  17. Fixed multiple security vulnerabilities regarding Python3 (CVE-2020-10735, CVE-2021-28861, CVE-2022-45061).
  18. Fixed multiple security vulnerabilities regarding iproute2 (CVE-2022-3527, CVE-2022-3529, CVE-2022-3530).
  19. Fixed multiple security vulnerabilities regarding D-Bus (CVE-2022-42010, CVE-2022-42011, CVE-2022-42012).
  20. Fixed a security vulnerability regarding syslog-ng (CVE-2022-38725).
  21. Fixed a security vulnerability regarding inetutils (CVE-2022-39028).
  22. Fixed a security vulnerability regarding DNSmasq (CVE-2022-0934).
  23. Fixed a security vulnerability regarding BusyBox-udhcp (CVE-2019-5747).
  24. Fixed multiple security vulnerabilities regarding Linux Kernel (CVE-2021-22600, CVE-2021-38209, CVE-2021-4037, CVE-2022-0168, CVE-2022-1016, CVE-2022-1729, CVE-2022-1786, CVE-2022-20141, CVE-2022-20368, CVE-2022-2078, CVE-2022-2639, CVE-2022-2905, CVE-2022-29581, CVE-2022-32250, CVE-2022-3524, CVE-2022-3566, CVE-2022-3567, CVE-2022-36879, CVE-2022-36946, CVE-2022-42703).
  25. Fixed a security vulnerability regarding Nginx (CVE-2022-3638).
  26. Updated ImageMagick to version 6.9.12-61 to fix multiple security vulnerabilities (CVE-2020-25664, CVE-2020-25665, CVE-2020-25666, CVE-2020-25667, CVE-2020-25674, CVE-2020-25675, CVE-2020-25676, CVE-2020-27560, CVE-2020-27750, CVE-2020-27751, CVE-2020-27752, CVE-2020-27753, CVE-2020-27754, CVE-2020-27755, CVE-2020-27756, CVE-2020-27757, CVE-2020-27758, CVE-2020-27759, CVE-2020-27760, CVE-2020-27761, CVE-2020-27762, CVE-2020-27763, CVE-2020-27764, CVE-2020-27765, CVE-2020-27766, CVE-2020-27767, CVE-2020-27768, CVE-2020-27769, CVE-2020-27770, CVE-2020-27771, CVE-2020-27772, CVE-2020-27773, CVE-2020-27774, CVE-2020-27775, CVE-2020-27776, CVE-2020-29599, CVE-2021-20176, CVE-2021-20224, CVE-2021-20241, CVE-2021-20245, CVE-2021-20246, CVE-2021-20309, CVE-2021-3574, CVE-2021-3596, CVE-2021-39212, CVE-2021-4219, CVE-2022-1114, CVE-2022-1115, CVE-2022-28463, CVE-2022-32545, CVE-2022-32546, CVE-2022-32547).
  27. Updated FFmpeg to version 4.1.9 to fix multiple security vulnerabilities (CVE-2020-20892, CVE-2020-20902, CVE-2020-21688, CVE-2020-21697, CVE-2021-3566, CVE-2021-38114, CVE-2021-38291).


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      67 thoughts on “Synology DSM 7.2 Release Candidate (RC) Released

      1. I had 7.2 RC installed for few weeks, all worked well. Today I saw that 7.2-Update 1 is available in the download center, but when I tried to manually update using the incremental .pat file, it told me that my version is incompatible. I assumed that was because the RC had a bit lower build number than actual release 7.2. So I downloaded the final 7.2 release .pat file and initiated a manual update. After the update the NAS booted and I was able to log in, but shortly afterwards the web interface stopped responding. Now router can’t even see the NAS on the network. Something’s wrong and I can’t access the NAS at all to figure out what’s that. I guess I am screwed.

      2. Because of these holes in the volume encryption which doesn’t protect against physical theft of the NAS at all I’m forced to change my choice in favor of QNAP.

      3. Now this is very interesting indeed. I’m tempted to trade in my 920+ for a 423+. Sure, I’ll lose the potential for adding an expansion unit via eSATA, but the ability to use NVME drives as a storage pool (without a hack) may be worth it. Well, the 423+ can only have up to 6GB of RAM instead of 8GB, but with the NVME drives, 6GB should be more than enough. Decisions, decisions….

      4. What are the chances … that Synology will during one of these DSM updates, add functionality where continuous popups and reminders that we should be using Synology brands HDD’s in our older Synology NAS’s … like new unit buyers are discovering? When they go full hardcore proprietary on us? Do ya think they’re that dumb?

      5. Thanks for this quick update on DSM 7.2 RC! Anxious awaiting the confirmation that only SynologY branded NVMe (I have WD RED SN700) can be used to create Storage Pool / Cache combo in de final version of DSM 7.2 for my DS1821+.

      6. 2:45 “I’m not gonna be going into a lot of detail”

        Some hopefully helpful criticism: you just talked for 2 whole minutes about how beta software can be unstable when one sentence would have sufficed. Detail isn’t the issue. It’d be easier to follow if you’d structure your thoughts with an outline and, in general, try to use fewer words.

      7. NVME Storage Pool is a nice addon and welcome addon on few models but what about expansion card like E10M20-T1. I wouldn’t get why a RS822+ with this card could not get this feature too.

      8. One interesting thing to ask Synology about their volume encryption implementation would be to know if the volume is unlocked prior to logging in for the first time after a boot. If it’s not, then it’s ok for protection against robberies as far as users with access to the volume have a strong password. If it is unlocked upon start-up before logging in, then there may be a way to read the RAM content and find the key depending on the robber skills (very unlikely I know but I wish to be 100% relaxed if I know some unknown bad guy has all my data).

      9. *Note* – I did a terrible job of explaining my thoughts @ 09:30 regarding Volume Encryption and new user logins! I meant to say that there should be an option to LOCK the volume by choice by a user, to ensure that new user and/or the same user on a new IP/Identity needs to unlock. This is a separate point from what I meant later in this video regarding when the Synology restarts and auto-mounts the encrypted volume using the storage internal vault key. Apologies for the confusion!!!

      10. I love your videos, but you’ve spent 8 minutes talking about something you can clearly read in 25 seconds on the beta landing page. Not for production environment, selected units supported… oh man… 😉

      11. I’d suggest the following topics for later videos:

        1. Upgrading from encrypted shared folders in DSM 7.1 to encrypted volumes in 7.2

        2. Multichannel SMB performance comparison—test e.g. connecting from a 2.5GbE PC to 2-3x 1gig ports on the NAS

      12. I will wait until 7.2 is well out of beta before considering it. The only feature that interests me in 7.2 is SMB multi channel, so look forward to seeing how well this is implemented.

      13. *IMPORTANT* I missed this in the video, but Synology have also enabled Containers in DSM 7.2 for certain Realtek NAS devices (DS223, DS123 and DS420j) with the new ‘Container Manager’ Application!!!!!

      14. Full Volume encryption as well as Vaultwarden and paperless in Docker. Is there a new instance of docker as well?
        As well as encrypting a full volume for the first time. How does it work? How long does it take?