I wrote up a blog post after going through a bit more effort than I expected to setup a custom Scrollbar (behavior and visuals) for the built-in Scroll Box widget. In case anyone here is interested in what I went through or if you’re looking to do the same, here you go:
As you may already know, UMG provides a built-in Scrollbox widget for easily displaying scrollable content. This widget handles all of the hard bits and gives you the ability to, mostly; customize its look to your liking. However, the scrollbar behavior is set in stone from UMGs side of things. Meaning you cannot have a scrollbar that has a constant size and does not change opacity on rollover.
But, this was exactly the behavior we needed!
Continue reading here: https://www.vicogamestudio.com/development-blog/item/quick-and-dirty-custom-scrollbar-for-the-built-in-scrollbox-umg-widget
Happy to answer questions here! And any feedback is welcome, this is my first blog post here 