Website Widget Customization

I like that there is this useful widget option, but it would be great if the widget could be edited (colors, fonts, displayed channels, etc.). Currently, we have only two options around colors (light theme and dark theme) and they do not always fit in all websites, and the channels that will be displayed on the widget can only be adjusted via 'Can connect' and 'Can view channel' permissions, but what if I want the channel to be on the widget but not everyone can get into it but only certain roles? It also has very few third party widgets and they all go through the same API. So the conclusion is that it would be good to add more customization options for the widget itself. Regards.