Sonarr
Sonarr (Servarr / Open-Source-Projekt) · current v4.0.20.3014
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The current version of Sonarr is v4.0.20.3014 (as of 16/09/2026). patchletter checks the official source daily and emails you new releases.
Sonarr at a glance
Sonarr is a self-hosted application for automating TV series collections. It monitors configured indexers and feeds, downloads new episodes through connected download clients, and then handles sorting, renaming and library maintenance. In IT environments Sonarr is typically run as a container or as a service and managed through a web interface.
New versions are released frequently and at short intervals, with separate stable and develop branches and continuous build numbers. Updates include bug fixes, adjustments to indexer and download-client integrations, and occasionally larger changes to the database and runtime. A built-in update mechanism can apply updates automatically; in container setups the update is done by pulling a new image.
When updating, administrators should back up the configuration and database beforehand, since migrations across major jumps are not backward compatible. It is also worth checking requirements of the underlying runtime and the compatibility of connected clients. Those using the develop branch should expect more frequent, less thoroughly tested releases.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| v4.0.20.3014 | STABLE | 16/09/2026 | Release notes → |
| 4.0.19.2979 | STABLE | 26/06/2026 | Release notes → |
| 4.0.18.2971 | STABLE | 24/06/2026 | Release notes → |
| 4.0.17.2952 | STABLE | 19/03/2026 | Release notes → |
| 4.0.16.2944 | STABLE | 05/11/2025 | Release notes → |
| 4.0.15.2941 | STABLE | 20/06/2025 | Release notes → |
| 4.0.14.2939 | STABLE | 17/03/2025 | Release notes → |
| 4.0.13.2932 | STABLE | 12/02/2025 | Release notes → |
| 4.0.12.2823 | STABLE | 05/01/2025 | Release notes → |
| 4.0.11.2680 | STABLE | 27/11/2024 | Release notes → |
| 4.0.10.2544 | STABLE | 26/10/2024 | Release notes → |
| 4.0.9.2244 | STABLE | 26/08/2024 | Release notes → |
| 4.0.8.1874 | STABLE | 16/07/2024 | Release notes → |
| 4.0.7.1863 | STABLE | 15/07/2024 | Release notes → |
| 4.0.6.1805 | STABLE | 01/07/2024 | Release notes → |
| 4.0.5.1710 | STABLE | 30/05/2024 | Release notes → |
| 4.0.4.1491 | STABLE | 13/04/2024 | Release notes → |
| 4.0.3.1413 | STABLE | 01/04/2024 | Release notes → |
| 4.0.2.1183 | STABLE | 27/02/2024 | Release notes → |
Frequently asked questions
- What is the latest version of Sonarr?
- Sonarr v4.0.20.3014, released 16/09/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the Sonarr 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 Sonarr updates?
- Tick Sonarr 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 Sonarr 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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