FL does tweak the exposures for the materials and constantly improve the support structure system. In a couple of cases the newer exposures didn’t work as well for my and I ended up reverting back to an older version. I pretty much only use the OpenFL now so unless a particular resin is discontinued I have no reason to change. Still have my F1+ and it is serving me well. I like the simplicity and freedom of the F1+. Even though the optics are exposed, keeping a cover on the machine when not in use solves that.