Or maybe the current version was finally made near perfect and it is proving to be too difficult to improve upon it!
Although, program can always be updated and improved further I think MyDefrag is near perfect!

He has the knowledge of how to do it. Maybe he is just too busy with his life, but he still responds to suggestions and others. Developing this as a hobby is admirable.
Whether there will be updates or not this is and will be the best disk defragmenter/optimizer available even if it is now two years old.
My thanks, and have faith!