# SABnzbd 5.1.0RC1 — SABnzbd 5.1.0RC1

- Product: SABnzbd (https://whatsnew.fyi/product/sabnzbd)
- Vendor: SABnzbd
- Date: 2026-07-16
- Version: 5.1.0RC1
- Original notes: https://github.com/sabnzbd/sabnzbd/releases/tag/5.1.0RC1
- Permalink: https://whatsnew.fyi/product/sabnzbd/releases/5.1.0rc1
- Labels: Pre-release

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **added** — Refreshed the interface
- **changed** — When retrying a job, only the actually missing articles are tried again for jobs downloaded in 5.1.0 or newer
- **changed** — RSS items are now stored in the database instead of on disk
- **added** — New RSS Age rule to filter jobs based on their age
- **changed** — Downloaded RSS items are cleared from the RSS database after 3 days
- **added** — Added support for filename and path pattern matching to the Cleanup List
- **changed** — Unwanted extensions will also be removed after unpacking
- **added** — Allow job setting changes directly from Extra queue columns
- **added** — Added support for unpacking .tar files during post-processing
- **changed** — Improved anonymization of the logs when using Show Logging
- **added** — Added SAB_FILES environment variable to Post-processing scripts, listing all files that resulted from the job
- **changed** — New Servers will default to 16 connections instead of 8
- **changed** — Use media duration as part of Ignore Samples detection
- **changed** — Improved support for screen readers
- **changed** — Parsing of header-encrypted RARs will use significantly fewer resources
- **removed** — Removed redundant INSTALL.txt file
- **removed** — Dropped support for Python 3.9
- **fixed** — Prevent incorrect warnings about non-writeable directories
- **fixed** — Files unrelated to job could get removed by the Cleanup List logic
- **fixed** — Prevent path traversal in orphaned job APIs

Release Notes - SABnzbd 5.1.0 Release Candidate 1
=========================================================

This is the first release candidate of version 5.1.
Like many other projects out there, we were able to use the
shiny new AI tools to add quite a lot of long-requested features!

##### New features in 5.1.0

* Refreshed the interface.
* When Retrying a job, only the actually missing articles are tried again.
  This only works for jobs downloaded in 5.1.0 (or newer).
* RSS items are now stored in the database instead of on disk.
* New RSS `Age` rule to filter jobs based on their age.
* Downloaded RSS items are cleared from the RSS database after 3 days.
* Added support for filename and path pattern matching to the `Cleanup List`.
* `Unwanted extensions` will also be removed after unpacking.
* Allow job setting changes directly from `Extra queue columns`.
* Added support for unpacking `.tar` files during post-processing.
* Improved anonymization of the logs when using `Show Logging`.
* Added `SAB_FILES` environment variable to Post-processing scripts,
  listing all files that resulted from the job.
* New Servers will default to 16 connections instead of 8.
* Use media duration as part of `Ignore Samples` detection.
* Improved support for screen readers.
* Parsing of header-encrypted RARs will use significantly fewer resources.
* Removed redundant `INSTALL.txt` file.
* Dropped support for Python 3.9.
* Windows and macOS: Updated Python to 3.14.6, Unrar to 7.23 and 7zip to 26.02.

##### Bug fixes in 5.1.0

* Prevent incorrect warnings about non-writeable directories.
* Files unrelated to job could get removed by the `Cleanup List` logic.
* Prevent path traversal in orphaned job APIs.
* `Disk Full` errors from unrar were not handled gracefully during unpacking.
* Memory leak could occur during article decoding.
* Windows: Uninstall would not remove Settings or Windows Service.
* Windows: Warn for OS-limit if more than 1024 connections are configured.
* macOS: AppleDouble files could result in failures in `Moving` stage.
* macOS: Restarting the application resulted in Terminal window.

##### Upgrade notices

* You can directly upgrade from version 3.0.0 and newer.
* Upgrading from older versions will require performing a `Queue repair`.

##### Known problems and solutions

* Read `ISSUES.txt` or https://sabnzbd.org/wiki/introduction/known-issues

##### Code Signing Policy

Windows code signing is provided by SignPath.io using a SignPath Foundation certificate.

##### About

SABnzbd is an open-source cross-platform binary newsreader.
It simplifies the process of downloading from Usenet dramatically, thanks to its web-based
user interface and advanced built-in post-processing options that automatically verify, repair,
extract and clean up posts downloaded from Usenet.

(c) Copyright 2007-2026 by The SABnzbd-Team (sabnzbd.org)