Almost every form has broken and inconsistent input field height. Some are 27px, some are 28px, some 29px and some are 30px. Having them side by side looks terrible.

Mostly this issue is seen in 8.0
These fields really stand out. Especially if the difference is 3px in height.

Some controls like radio buttons partially affected in 7.0 and 7.4 but it's barely noticeable since they have 1px difference.

See example: