Release 2.0 Alpha 3.

• Fixed tags encoding support.
• Fixed progress updates
• Fixed cancellation button
• Removed dependency on JLayer and jid3lib
• Removed dependency on Faac and MP4V2

Release 2.0 Alpha 2.

• Removed dependency on Faac
• Switched to single pass decoding-encoding via ffmpeg.
• Fixed bug with some m4b being unreadable by IBook (ITunes worked well)
• Fixed bug with chapters
• Overall stability was improved by reducing performance (replaced faac with ffmpeg)

Release 2.0 Alpha 1.

• Performance improved from 5 (due to fresh x64 faac) to 30x times (depending on numbers of cores).
• Improved (both speed and quality) of mp3 decoding due to switch to ffmpeg from java decoding.
• Improved tag support according to MP4 specification.
• Added chapters support via MP4v2 project (Thanks to https://github.com/TechSmith for maintaining the fork).
• Added super-fast experimental mode of parallel encoding of MP3 files. (Works well for me).
• Keeping the same bitrate as original files to preserve quality
• Major re-engineering of internal architecture.