I have just completed the finishing touches on Technic pin support:

There were a few potholes encountered on the journey and as always, they were solved with excellent community support:

• Behaviour of Object.Tip with PartDesign LinearPattern
• Particular Assembly4 model fails to render correctly

As I now have pins available in my assemblies, I was able to try out the animation support within the Assembly4 Workbench:

I will be pushing the Technic pins support and various improvements in the next couple of days to:

https://github.com/vectronic/freecad-legify-macros