Try it you will like it.
This May, YouTube introduced a new design to the channel page which is easier to customize and resizes itself automatically on screens of multiple sizes, be it desktops, notebooks, tablets or phones. We can customize the videos that appear on the channel page much better than ever before, making it easier for visitors to see a variety of videos from our channel’s library. Best of all, we can create a channel trailer that helps those who are new figure out what our channel is about. It gets shown automatically to those who aren’t yet subscribed. Those who already are see viewing suggestions instead. Here’s my channel’s trailer:
If you haven’t yet subscribed, now is a good time.