About changes. "Missing" and "not needed" different things. To list of changes can adding - removed hww, added gpu mining at ui, added cpu mining for start network, fixed compilation errors, fixed ui bugs, updated core and consensus rules, fixed connecting bugs, updated bp, increased block size, and etc.  We do not following to the direction of development of beam, and talk about new or old version is wrong. In any case Grimm was born and only first release was published. We develop it You can like it or not.  Grimm have own directions. Grimm is community driven project.