The MorphOS development team is proud to announce the public release of MorphOS 3.20! This release brings major advancements across the operating system, including new hardware support, extensive graphics and 3D improvements, new utilities, filesystem enhancements, and broad modernization work throughout the platform.
MorphOS 3.20 introduces support for the new Mirari architecture together with several dedicated system components, drivers, thermal management support, and updated networking functionality. Radeon graphics support has been significantly expanded with support for additional GPU families, improved HDMI, DVI and DisplayPort handling, enhanced multi-monitor support, improved 3D compatibility, and major updates to TinyGL and Radeon drivers for better rendering performance and stability.
This release also introduces SFS2 support across the operating system, enabling support for files larger than 4GB and partitions up to 2TB. Many filesystem components and utilities have been updated for nanosecond timestamp precision and dates beyond year 2038. Ambient received numerous usability, performance and stability improvements, including enhanced icon handling, improved search functionality, better drag-and-drop support, external panel support, and updated multimedia format handling.
Several new applications and utilities are included in MorphOS 3.20, such as DriveImager, MirrorBackup, SMARTDoctor, OFHTTP, OFHash, OFDNS, Replace, and Automator for scripting and controlling MUI applications. Iris has been updated to version 1.53 and now includes the new Contacts companion application for CalDAV-based address books. FlowStudio received extensive improvements for project management, printing, Markdown support, and development workflows.
Networking and connectivity have also been improved with updates to OpenSSH 10.3p1, TLS 1.3 support in RDesktop, expanded SMB2 filesystem improvements, and improved USB, audio and multimedia subsystem stability. Numerous system libraries and frameworks including MUI, ixemul, Cairo, Harfbuzz, Freetype, OpenSSL4, and ObjFWRT have been updated or significantly modernized.
MorphOS 3.20 additionally contains a very large number of bug fixes, performance improvements, memory handling corrections, rendering fixes, and usability refinements across the operating system. For a complete overview of the changes included in MorphOS 3.20, please read the release notes.
We strongly urge new users to carefully read our installation and troubleshooting guides before they attempt to install MorphOS for the first time. Existing users can upgrade via the familiar procedure but are encouraged to read the guides as well. MorphOS 3.20 is available for download in our files section.
The MorphOS development team is proud to announce the May 2026 release of the MorphOS Software Development Kit!
This SDK release delivers a major modernization update for the MorphOS development environment, featuring GCC 15.2.0, Python 3.14.4 with pip and virtual environment support, updated HTML documentation, and extensive updates across the toolchain and bundled utilities. Numerous core development components have been refreshed, including binutils 2.45.1, git 2.54.0, OpenSSL 4.0.0, OpenSSH 10.2p1, ffmpeg 4.4.7, perl 5.42.2, cmake 3.18.6, autoconf 2.73, automake 1.18, and many others.
One of the most important changes in this release is the migration of both ixemul and libnix to 64-bit time_t, off_t and fpos_t types, enabling proper support for dates past 2038 and large files throughout the SDK and newly compiled applications. Due to these ABI changes, developers are strongly encouraged to fully rebuild all existing libraries and object files. This release also includes many stability and compatibility improvements, including significant pdksh rework.
Our new SDK can be found in our files section. As usual, a separate source package is available for download as well.
