jDM 5.3 Release Notes
A performance update improving segment handling, task creation, and overall download reliability.
jDM Release Notes
Includes updates from versions 1.0 through 5.3
November 2015 - March 2025
Explore the full evolution of jDM — the fast, reliable, and beautifully designed download manager for macOS. Since its debut in 2015, jDM has transformed how users handle downloads on the Mac — combining speed acceleration, smart multi-connection logic, and elegant design to deliver an effortless experience. Each major version introduced deeper system integration, advanced performance optimizations, and new levels of customization.
From the foundational jDM 1.0 release that laid the groundwork for multi-threaded download acceleration, to the cutting-edge jDM 5 series featuring a redesigned interface, dynamic segmentation, Finder tag support, and intelligent scheduling — every update refined stability, performance, and usability. Browse below to see the complete release history, version highlights, and milestone updates that shaped jDM into the ultimate download manager for macOS.
Requires macOS 10.13 (High Sierra) or later
Need help with this release? Visit our Support page or contact us at support@sientosh.com.
jDM 5
jDM 5.2 Release Notes
A stability update enhancing download list management, progress tracking, and macOS compatibility.
jDM 5.1 Release Notes
Refines task creation, layout consistency, and automation features across macOS versions.
jDM 5.0 Release Notes
Major redesign introducing a new download core, unified toolbar, and improved macOS integration.
jDM 4
jDM 4.12 Release Notes
Introduces dynamic segmentation for faster downloads and improved file handling reliability.
jDM 4.11 Release Notes
Improves authentication reliability, toolbar validation, and overall app stability.
jDM 4.10 Release Notes
Adds batch downloads, improved cookie handling, and enhanced sorting and inspection tools.
jDM 4.9 Release Notes
Fixes data duplication issues during auto-resume for more stable and accurate downloads.
jDM 4.8 Release Notes
Improves resume handling, adds per-thread logging, and enhances overall app stability.
jDM 4.7 Release Notes
Adds customizable retry options, refines duplicate link detection, and boosts performance.
jDM 4.6 Release Notes
Enhances link parsing, cookie handling, and browser-based download detection accuracy.
jDM 4.5 Release Notes
Adds built-in browser for authenticated downloads and introduces Simplified Chinese localization.
jDM 4.4 Release Notes
Introduces cookie management per host and a new status bar for overall download activity.
jDM 4.3 Release Notes
Major update adding Site Grabber, redesigned Safari extension, and enhanced filter organization.
jDM 4.2 Release Notes
Adds macOS Mojave Dark Mode support and key fixes for directory selection and stability.
jDM 4.1 Release Notes
Boosts performance with up to 32 connections per file and improved multi-window stability.
jDM 4.0 Release Notes
Major upgrade introducing multi-threaded downloads, stream support, and better file management.
jDM 3
jDM 3.0 Release Notes
Introduces download scheduler, enhanced sorting, and a redesigned categories manager.
jDM 2
jDM 2.0 Release Notes
Major update adding New Task, Inspector, and Preferences windows for smarter workflows.
jDM 1
jDM 1.1 Release Notes
Adds download filters, improved search, and multilingual localization for global users.
jDM 1.0 Release Notes
Initial release introducing fast, reliable downloads with smart resume and browser integration.