Is it possible to constrain sizes or does each need to always be entered manually?
Yes! You can set max/min width/height in the Size panel on the right (you have to expand that section if it’s collapsed - I see your other feedback on that 
)
Is it possible to constrain sizes or does each need to always be entered manually?
Yes! You can set max/min width/height in the Size panel on the right (you have to expand that section if it’s collapsed - I see your other feedback on that )