Motrix Release Notes

Motrix 2.0.0-beta.22

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Motrix 2.0.0-beta.22 updates the bundled download engine to aria2 1.37.0-motrix.10, makes custom upstream aria2 replacements safe, fixes an engine task-adoption race, adds a lower-memory desktop mode, and polishes the New Task window. It is intended for public distribution only after every protected release gate passes.

Highlights

• Desktop, Server, Docker, and Flatpak packages now use the verified Motrix aria2 fork 1.37.0-motrix.10. Every supported platform asset is pinned by name, size, and SHA-256 digest in the engine lock.
• Motrix checks aria2c --version before starting the engine. A version must carry the Motrix suffix and the fork-only SQLite persistence feature to be recognized as the bundled fork; this detection does not depend on RPC, so an incompatible engine cannot crash before it is identified.
• When an upstream or otherwise non-Motrix aria2 executable is detected, Motrix warns the user and durably changes max-connection-per-server and split to the upstream limit of 16. The adjusted settings use the Custom performance profile so validation cannot restore an incompatible value.
• URI creation also handles aria2 error code 28 defensively. If a custom engine rejects connection options above 16, Motrix retries the request once with compatible values instead of losing the task. …

Motrix 2.0.0-beta.21

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Motrix 2.0.0-beta.21 restores verified HTTPS downloads across Linux distributions, adds performance profiles with up to 64 connections, makes settings and engine recovery more reliable, redacts sensitive log data, and returns AppImage packages with user-controlled desktop integration. It is intended for public distribution only after every protected release gate passes.

Beta.20 did not reach public distribution because release assembly rejected electron-builder's valid AppImage-first Linux update metadata. Beta.21 carries the same user-facing changes and normalizes those compatibility fields to the DEB updater asset before final verification and publication.

Highlights

• Linux launches aria2 with a fresh CA bundle assembled from the system trust store on every run, falling back to bundled roots when necessary. This fixes valid HTTPS downloads on distributions where the static engine's build-time OpenSSL paths do not exist, without disabling certificate verification.
• Desktop, Server, Docker, and Flatpak packages use the Motrix aria2 fork 1.37.0-motrix.6. Server and Docker packages carry the verified Motrix binary instead of depending on a distribution-provided aria2 executable.
• Download settings offer Automatic, Balanced, High speed, Maximum, and Custom …

Motrix 2.0.0-beta.19

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Motrix 2.0.0-beta.19 makes the in-app updater hand off to the installer reliably, restores clipboard link autofill in New Task, tightens plugin and task-removal safety, and fixes tray and window-control behavior across platforms. It is intended for public distribution only after every protected release gate passes.

Highlights

• Restart and install now completes the update handoff reliably: the updater prepares the quit policy before installing, so hide-to-tray windows close instead of leaving the old version running. The About dialog's update action and channel selector are consolidated into one compact control.
• Opening New Task on the Links tab with an empty URL field reads the clipboard once and autofills it when every non-empty line is a downloadable link (http/https/ftp/magnet). This restores the v1 behavior, is gated by a new General setting (default on), and never watches the clipboard in the background.
• Each line pasted on the Links tab now creates its own independent task instead of being submitted as mirrors of one file. Partial failures are reported with created/failed counts.
• Removing tasks never pre-checks Delete downloaded files based on task status. Deleting data is always an explicit opt-in; only the Shift shortcut pre-checks the box. …

Motrix 2.0.0-beta.18

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Motrix 2.0.0-beta.18 updates the bundled aria2 engine and improves DNS resolution reliability. It is intended for public distribution only after every protected release gate passes.

Highlights

• Updates the bundled desktop aria2 engine to 1.37.0-motrix.4, with pinned archives and binary checksums for every supported target.
• Adds Auto, System DNS, and Built-in DNS choices under Network settings on both the desktop app and Server web UI.
• In Auto mode, Motrix starts with aria2's built-in asynchronous resolver. If aria2 cannot contact any DNS server, Motrix switches the active engine session to the system resolver and retries the affected task once.
• Limits automatic fallback to recognized DNS transport failures. Deterministic DNS answers and unrelated network failures are not retried, and each task is retried at most once per session.
• Adds a localized notification when an automatic DNS fallback retry occurs.
• Adds Traditional Chinese (zh-TW) throughout the application.
• Expands the Plugin SDK development guide with clearer setup, capability, sandbox, packaging, and distribution guidance.

Before testing

This is prerelease software. Back up existing Motrix application data and downloads before installing it. Migration from Motrix v1 data has not yet been …