There are a few common trends in user interface design that seem to be emerging in recent years. One is the use of minimalism, which is characterized by clean lines, simple shapes, and a focus on functionality over form. This trend is likely a reaction to the rise of mobile devices and the need to create interfaces that are easy to use on small screens.

Another common trend is the use of flat design, which is also characterized by clean lines and simple shapes. However, flat design goes a step further by eliminating unnecessary elements, such as shadows and gradients, that can make an interface appear cluttered and busy. This trend is also driven by the need to create interfaces that work well on mobile devices.

Finally, we are seeing a trend toward more personalized and customizable user interfaces. This is in response to the fact that we are now using a variety of devices with different screen sizes and orientations, and we need interfaces that can be adapted to work well on all of them. This trend is also driven by the increasing popularity of voice-controlled interfaces, such as Amazon Alexa and Google Assistant, which require a different approach to design.

All of these trends are driven by the need to create interfaces that are easy to use, efficient, and accessible. As we continue to use more devices and technologies, we will likely see even more trends emerge in user interface design.