Storyboard pro 2 vs Storyboard pro 4

hello guys,

i just want to ask what is the difference between Storyboard pro 2 and Storyboard Pro 4? Do i need to upgrade my SB ?

thanks,

ihmoiy

…could be to check here:
https://www.toonboom.com/products/storyboardpro/features
A bit down you find “What’s new”.