Well, it is academic software. I work at ailab.si and a lot of my work concerns Orange, especially its bioinformatics addon. Its development is slow because we

Well, it is academic software. I work at ailab.si and a lot of my work concerns Orange, especially its bioinformatics addon. Its development is slow because we also need to do some other things, like research. New features are usually added when we need them. It is actively maintained/developed but by only few developers, so its progress can seem slow at times.