Etabs v21 and Etabs v16

[Ramajhh]

hello for everyone
i have a model which i opened it in those tow Etabs version, i noticed there is a different result specialty in column design, there are some column which was verified ın Etabs v16 but ın Etabs v21 was not verified so can anyone explain to me? (the check was in the same load combination)

 

[BulbTheBuilder]

compare the stresses in the members and observe the differences. With the design, maybe there are new features and buttons you need to push to match V16 and V21.