For now I feel ActiveForm is still a bit early to transition to a gem as there are still things to improve and work out. One day I'll invest more time into making it extendable and release it as a gem. For now I feel it's an unnecessary complexity.
If he's like most of us, though, this means it will never happen...
It works very well, especially since the current Gimp roadmap relegates CMYK support to a version Gimp 3.2 However to be fairquoteShould a new developer join the team to specifically work on CMYK-related features, we will do our best to help him/her to complete this project and get it to our users as soon as possible.unquoteNot holding my breath.