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New Software Development Kit (SDK) Available for AmigaOS 4.1 Final Edition

Brussels – June 14, 2026

An updated and significantly improved Software Development Kit (SDK) for AmigaOS 4.1 Final Edition is now available. The update brings the SDK up the baseline of Update 3 that was released in October last year.

The SDK contains everything needed for the development of applications, utilities, and games for AmigaOS 4.1 Final Edition.

Among many other improvements, this new SDK includes:

  • Updated GCC 6 and GCC 8, and GCC 11 has been updated to version 11.5.
  • Updated AmigaDOS SDK 54.136, ExecSG SDK 54.32, newlib SDK 53.87, Roadshow SDK 1.15-53.3, AmiSSL SDK 5.27, and the MUI SDK.
  • Updated AutoDocs and include files, as well as an updated version of AutoDocViewer 1.5.

As always, the SDK is free and can be downloaded from the download section.

Thank you to all the developers involved!

Let the fun begin!

 

Update 3 for AmigaOS 4.1 Final Edition Available

Brussels, Saturday, October 18, 2025

Hyperion Entertainment BV is proud to announce the release of Update 3 for AmigaOS 4.1 Final Edition. Update 3 is a maintenance and stability update for AmigaOS 4.1 Final Edition and includes more than 60 new features, 70 updates, and over 135 bug fixes across the system.

Some of the most notable improvements include:

  • The TCP/IP stack Roadshow has been updated to version 1.15, which among many other things greatly improves network stability and speed.
  • New, updated kernels for the X5000, X1000, AmigaOne, Pegasos II, Sam460, Sam440, and Classic Amiga systems, featuring upgraded cache handling and DMA operation on supported hardware.
  • An updated and improved USB stack which, among many other new features, performance improvements and bug fixes, now supports isochronous transfers for streaming devices.
  • An updated version of AmigaDOS with new features, enhancements, and numerous bug fixes.
  • An updated graphics library that now supports automatic detection of 4K/UHD monitors.
  • Updated versions of elf.library, intuition.library, and newlib.library, all featuring many new functions and bug fixes.
  • And many, many more new features, updates, and bug fixes.

Update 3 is available via AmiUpdate. Registered users can also download Update 3 from the download section at www.hyperion-entertainment.com.

Hyperion Entertainment would like to thank all the hardworking developers and testers for their dedication to this release. You keep the dream alive!

 

 

AmigaOS 4.1 Final Edition for Pegasos 2 is now available digitally

Brussels – September 9., 2025

Over the past few months, we have seen a massive increase in demand for AmigaOS 4.1 Final Edition for Pegasos 2. Since all physical copies are sold out, we have decided to make the ISO available for digital purchase.

The ISO can be purchased via 2Checkout. Once you have purchased your copy, you will receive a serial number that can be used to register at www.hyperion-entertainment.com.

As stock of the other versions of AmigaOS 4.1 Final Edition runs out, they will also be made available for digital download.

The price of AmigaOS 4.1 Final Edition has not been adjusted for almost 10 years, even though inflation and rising production costs have increased considerably. Therefore, the price of the digital download version of AmigaOS 4.1 Final Edition for Pegasos 2 is €39.95 including VAT.

The price of the digital version of AmigaOS 4.1 Final Edition for Classic has also been adjusted to €39.95 including VAT.

Thank you for your continued support of AmigaOS.

 

Hotfix for AmigaOS 4.1 Final Edition Update 2 available for download

AmigaOS 4.1 Final EditionBrussels, January 12th, 2021

Some users of update 2 for AmigaOS4.1 Final Edition have experienced stability issues after updating. This hotfix addresses these stability issues and fixes a couple of other minor issues found after the release of update 2.

The hot fix is free to registered users of AmigaOS 4.1 Final Edition and can be found in the download area at https://www.hyperion-entertainment.com/.It will also be made available via AmiUpdate.

The hotfix should only be applied on top of the original update 2 package released on December 23,2020!

The original update 2 package has also been updated with the components in the hot fix and is now available in a new version (version number 53.14)at https://www.hyperion-entertainment.com/ and via AmiUpdate.

This update is the result of the continuing effort of a dedicated group of AmigaOS 4.1 Final Edition developers and beta-testers. Thank you!

AmigaOS 4.1 Final Edition update 2 prerequisites

We strongly recommend that you install update 2 on top of a fresh install of AmigaOS 4.1 Final Edition update 1. If you decide to update your existing installation you should back it up beforehand.

Operating System: Installed AmigaOS 4.1 Final Edition Update 1

Hardware Compatibility: AmigaOne XE & SE, MicroA1, AmigaOne 500, AmigaOne X1000, AmigaOne X5000, Sam440, Sam460, Pegasos 2, Amiga Classic PPC.

Hotfix: The hotfix for update 2, released on January 12,2021, should only be applied on top of the original update 2 released on December 23,2020. Update 2(version number 53.14),downloaded after January 12,2021, has the hot fix integrated.

AmiUpdate: Users who use AmiUpdate to apply update 2 or the hotfix should update to the latest version of AmiUpdate (2.47) before they update and deselect any other updates offered in AmiUpdate.

Classic users should not use AmiUpdate: For AmigaOS 4.1 Final Edition for the classic line of Amiga computers it is recommended, due to limited RAM, to use the single file update from the Hyperion Entertainment website and not AmiUpdate.

For more information contact: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

 

Update 2 for AmigaOS 4.1 Final Edition available for download

AmigaOS 4.1 Final EditionBrussels, December 23rd, 2020

Hyperion Entertainment is proud to announce the immediate release of update 2 for AmigaOS 4.1 Final Edition. Update 2 is by far the largest update ever released for AmigaOS and includes more than 200 updated components with hundreds of bug fixes, improvements and new features and six completely new OS components. The update is the combined effort of four years of AmigaOS development and will bring AmigaOS4.1 Final Edition to a completely new level of stability and usability.

The complete list of updated, improved and new components can be found in the changelog that also contains a list of the major bugs and issues that has been resolved. Some of the highlights of update 2 are.

  • New kernel (exec) version 54.28 with many bug-fixes and stability improvements
  • Improvements and bug-fixes in the graphics.library, workbench.library, dos.library, application.library, elf.library and many other essential libraries making them more robust, bug-free and future proof
  • Bug-fixes and improvements to the USB-stack
  • Many bug-fixes and improvements to console.device, ram-handler, appdir-handler and env-handler
  • Many bug-fixes in all reaction classes, datatypes and device drivers
  • New OS-components such as the append dos command, an OS4.1 version of DiskDoctor from Olaf Barthel, SataControl, appdir-handler, ssh2-handler
  • Many, many more bug-fixes, improvements and new features

Update 2 is free to registered users of AmigaOS 4.1 Final Edition and can be found in the download area at https://www.hyperion-entertainment.com/.

This update is the result of the continuing effort of a dedicated group of AmigaOS 4.1 Final Edition developers and beta-testers. Thank you!

AmigaOS 4.1 Final Edition update 2 prerequisites

We strongly recommend that you install update 2 on top of a fresh install of AmigaOS 4.1 Final Edition update 1. If you decide to update your existing installation you should back it up beforehand!

Operating System: Installed AmigaOS 4.1 Final Edition Update 1 Hardware

Compatibility: AmigaOne XE & SE, MicroA1, AmigaOne 500, AmigaOne X1000, AmigaOne X5000, Sam440, Sam460, Pegasos 2, Amiga Classic PPC.

 
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