The current version of Synology DSM is 7.4-90075 (as of 08/07/2026). patchletter checks the official source daily and emails you new releases.
Synology DSM at a glance
Synology DSM is the operating system on Synology NAS devices — file services, backup, virtualization and apps in one web-managed package, widespread in SMBs and homelabs. Synology ships DSM version updates plus security fixes; as an internet-adjacent storage appliance it's a frequent target, so updates are time-sensitive.
For admins DSM makes updating convenient (web UI, optional auto-update for security patches), but discipline still pays: back up the configuration before major DSM jumps, and check package/app compatibility. Keep the admin interface off the open internet, disable the default admin account, and enable two-factor. Snapshots and off-box backups are the real protection against data loss and ransomware — a NAS reachable from outside is a prime ransomware target.
Support cycles (endoflife.date)
| Cycle | Latest version | Status |
|---|---|---|
| 7.4 | – | EOL 30 Jun 28 |
| 7.3LTS | – | EOL 31 Oct 28 |
| 7.2 | – | End of Life |
| 7.1LTS | – | End of Life |
| 7.0 | – | End of Life |
| 6.2LTS | – | End of Life |
| 6.1 | – | End of Life |
| 6.0 | – | End of Life |
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 7.4-90075 | FIRMWARE | 08/07/2026 | Release notes → |
| 7.4.1-90080 | FIRMWARE | 23/07/2026 | Release notes → |
| 7.3-81180 | FIRMWARE | 08/07/2026 | Release notes → |
| 7.3.2-86009 | FIRMWARE | 08/07/2026 | Release notes → |
| 7.3.1-86003 | FIRMWARE | 08/07/2026 | Release notes → |
| 7.2.2-72806 | FIRMWARE | 08/07/2026 | Release notes → |
Frequently asked questions
- What is the latest version of Synology DSM?
- Synology DSM 7.4-90075, released 08/07/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the Synology DSM release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new Synology DSM updates?
- Tick Synology DSM off in the catalogue and leave your address. From then on new versions go out by email — one at a time, or bundled in the daily or weekly digest.
An email as soon as a new Synology DSM version ships
We reconcile the vendor source daily. When a new version appears, it lands in your inbox right away or bundled as a digest. The update email is free and ends with one click. Alerts about vulnerabilities and end of support are part of patchletter Pro.
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[](https://patchletter.com/en/software/synology-dsm)https://patchletter.com/badge/synology-dsm.svgAlso available: ?v=eol (end of support) and ?v=cve (actively exploited).
