This is among the reasons why I houseruled Complex Forms to be used with Tasking. So essentially, Tasking is the umbrella "do technomancer stuff" skill at my tables, and its specializations are Weaving, Compiling, Registering and Decompiling (the latter being also used for the killing or"despelling" of Complex Forms)
Kinda vexes me how the skill conversion from 5th to 6th was handled here. Using the Software skill in 5th was already a bit weird, but at least it was a seperate skill that wasn´t strictly necessary for other Matrix users. Splitting Complex Forms over two seperate skills that are both not exclusive to Technomancers is counterintuitive, adds unnecessary confusion and further adds to the impression that complex forms are just variations of existing Matrix actions instead of truly unique, paranormal feats. Not the worst fail in 6th Edition, but a missed opportunity.