Aria2 Next is a Open Source Windows program in the Other category, developed by AnInsomniacy. The current version is 2.4.6; you can download it safely from its official source with the download button above.
aria2 is remarkable open source software. For over a decade it has been one of the most capable
download engines available, trusted by countless tools and users worldwide. We are deeply grateful
to the original authors and contributors of the aria2 project. They built something that has stood
the test of time, and that enduring quality is the best testament to their vision and craftsmanship.
But upstream development has slowed dramatically in recent years. Dependencies grew stale, builds
broke on modern platforms, and a backlog of bugs went unaddressed. We picked up the baton: migrated
the codebase to a modern build framework, triaged and fixed a substantial number of upstream issues,
and introduced ED2K protocol support for the first time. A full audit trail is preserved in
docs/maintenance/upstream-issue-review/matrix.csv.
Aria2 Next is an actively maintained aria2-compatible engine for everyone, and it is also the embedded
engine used by Motrix Next. Original interfaces, including options, configuration, sessions, JSON-RPC,
and libaria2, remain intact so downstream projects get a seamless upgrade. The focus is straightforward:
release reliability, current dependency baselines, and ongoing compatibility fixes. Same engine, renewed
foundation.
📝 Release notes (2.4.6)
## Summary
This release fixes a Linux startup compatibility regression in the standalone aria2-next engine. It
removes the runtime dependency on the OpenSSL legacy provider for ARC4 handling, so packaged builds
can start in environments where OpenSSL provider modules are unavailable or hidden by AppImage and
sandbox runtime paths.
## Changed
- ARC4 encryption now uses aria2-next's internal implementation consistently instead of selecting an
OpenSSL, libgcrypt, or nettle backend at build time.
- Unused ARC4 backend source files were removed from the maintained CMake source inventory.
## Fixed
- Fixed engine startup failure on Linux systems where OSSL_PROVIDER_load("legacy") could not find
the OpenSSL legacy provider module.
- Fixed AppImage and distribution runtime compatibility for environments that do not expose
/usr/lib/ossl-modules to the bundled engine.
SHA-256: E20D830557428CEFC732D4246A0BBF17FC50263409EB8539A022020940F5795E
