No specific info about version 1.2. Please visit the main page of MP3 Toolkit on Mac Informer.
Extract segments from your MP3 files with just a few clicks.
MP3 Encoder is an application for converting a variety of audio formats to MP3.
MP3-Info lets you view detailed information about your audio files.
Convert iTunes M4P, Apple Music to MP3 on Mac.
Iovsoft MP3 Cutter Joiner is a simple audio edition tool.