I doubt we're the only ones who stumbled across the neat little KWiKSert tool. For those of you who have not found this delightful productive time saver, what it does is allows you to select anything with a curved surface and insert-constraint place it in as many places as you and click on. For example if you have 20 holes and you want to put a fastener in each of them, you place one fastener, run KWiKSert and select the surface under the head you would insert it using, then you just click on the top edge of you holes and in 20 mouse clicks you've places and constrained 20 fasteners! Saves a literal ton of time. And you can constrain anything with a curved surface even a radius, anything you can use the insert command on.
Problem is they will not be updating the software beyond what it currently is and even licensing what is out there now is an issue (trust me on that). So not guarantees it will work with updates to Inventor.
So my (OUR) suggestion is for Autodesk to gobble this cool, super, fantastic, amazing, time-saving, clean running, stupendous function up and add it as an out of the box feature of Inventor. PUH-lease?!?!?!?!?!?