On 30 September 2009, Hyperion Entertainment and Amiga, Inc reached a settlement agreement where Hyperion is granted an exclusive right to AmigaOS 3.1 and market AmigaOS 4 and subsequent versions of AmigaOS (including AmigaOS 5 without limitation).

During the judicial procedure (between Hyperion and Amiga, Inc), OS4 was still being developed and distributed. However this is both unofficial and unsupported as of today, and very incomplete, especially regarding drivers. Also, a third party bootloader, known as the 'Moana', was released on torrent sites it allows installation of the Sam440ep version of OS4 to Mac Mini G4's. The Italian computer company ACube Systems has announced Sam440ep and Sam440ep-flex motherboards, which are AmigaOS 4 compatible. Nevertheless, AmigaOS 4.0 was released commercially for Amigas with PowerUP accelerator cards in November 2007 (having been available only to developers and beta-testers until then). On 20 December 2006, Amiga, Inc abruptly terminated the contract with Hyperion Entertainment to produce or sell AmigaOS 4. Main article: History of the AmigaOS 4 disputeĭuring the five years of development, purchasers of AmigaOne machines could download Pre-Release versions of AmigaOS 4.0 from Hyperion's repository as long as these were made available.

6.5 AmigaOS 4.0 February 2008 update for CyberStormPPC and BlizzardPPC.

6.4 AmigaOS 4.0 for Classic Amiga (with PPC accelerator card).

6.1.5 AmigaOS 4.0 (Developer Pre-release Update 4).

6.1.4 AmigaOS 4.0 (Developer Pre-release Update 3).

6.1.3 AmigaOS 4.0 (Developer Pre-release Update 2).

6.1.2 AmigaOS 4.0 (Developer Pre-release Update).

6.1.1 AmigaOS 4.0 (Developer Pre-release).

'The Final Update' was released on 24 December 2006 (originally released in April 2004 ) after five years of development by the Belgian company Hyperion Entertainment under license from Amiga, Inc. It is mainly based on AmigaOS 3.1 source code, and partially on version 3.9 developed by Haage & Partner.

C, C++, ARexx, Pascal, COBOL, BASIC, Python, PHP, Perl, E, Amiga E, Modula-2, C64 Basic, REBOL, Ruby, Java 1.4.1, Hollywood ĪmigaOS 4, (abbreviated as OS4 or AOS4), is a line of Amiga operating systems which runs on PowerPC microprocessors.

Amigaos 4.1 final edition torrent