A very nice compatability chart. The format is very good. I would suggest that you include W. Britains figures in your chart. The latest ones are 1/30 58-60mm and compatable with First Legion,
Figarti, Thomas Gunn and some K&C vehicles. K&C vehicles can range from 1/32 to 1/28 scale. The older ones are 1/32. The ones from 2008 to 2014 are 1/30 and the last three M4A3E8 Shermans are 1/28 and their may be others. Figarti figures are hard to classify. I have a Panther G Panzer Kommander that is 65mm; so their figures can vary quite a lot in size. I would use a date of maufacture range on your chart like 2009 to 2016; which would eleminate the early 1/32 scale figures and vehicles from Figarti, K&C and W. Britains and avoid confusion.