Bug #3647 / Dynamic Update: Multiple Elements in a row not updated properly.
Current fix is just a workaround. Further implications might exist. E.g. 'text' and 'date' should be fine, but 'select' / 'checkbox' / 'radios' / ... are not tested and probably won't work. Support.php: set flags for 'row' / '/row'. AbstractBuildForm.php, BuildFormBootstrap.php: $flagRowUpdate switches logic between full 'row update' (only one FE in the row) and 'per element'. In 'per element'-Mode, not all input types are updated properly.