There are two known "good" releases of the 34.005 version of the 1.3 ROM: the Amiga 500/2000 one (CRC-32 C4F0F55F) and the improved Amiga 3000 one (CRC-32 E0F37258).

Here is a list of changes between the two versions, as analyzed by Toni Wilen:

While the Amiga 3000 version is considered the best and final version of the 1.3 series, Amiga Forever also includes the original Amiga 500/2000 version for maximum compatibility.