Elementor
1. Are you referring to the News Ticker? If so, it’s available also with elementor.
2. What do you mean freezes the page? You need to go out and start from the beginning?
Builder
1. Did you notice that there is Posts widget and Posts Group widget?
If you are using the posts widget you can display it as a simple list, for example.
2. You can insert it into the widget area called “Title bar area” and than go to:
Homepage > Title Bar > Background Style > Widgets Area > Title bar area.
3. See answer no. 1.
4. Correct. We will add other features to Elementor during the next weeks, and i hope you will find it more and more suited to your needs.