Please add capability to copy text from a name of params and from a warning. It should be easy to ask help and make bug report.
P.S. This is common problem in Ubuntu, more info. But I think this is bad design which we should not apply in Shotcut.
No, we are not going to make every piece of text in the UI selectable like a web page. That is just not how Qt and its mapping to platform GUI toolkits work without a lot of custom work that is not worth the effort.
Also, it is kind of rude to spam the forum with so many suggestions in one day like this.