Before this change, flash attributes could only be added if via RedirectAttributes.addFlashAttribute(..) if the method returned a view name or a View instance. With this change, the above is supported with a ModelAndView return value as well.
Before this change, flash attributes could only be added if via RedirectAttributes.addFlashAttribute(..) if the method returned a view name or a View instance. With this change, the above is supported with a ModelAndView return value as well.