Question for Unreal Engine game developers?

Question

Game development

Hello.
I wanted to know about the possibilities of Unreal, I don't know what to choose Unity or Unreal.
The question is related to the possibilities of using other languages ​​in Unreal?
For example, when creating a UI (inventory, life or stamina, etc.), should I write the game interface in HTML CSS JAVASCRIPT, so that you can easily edit the game interface (menu, inventory, etc.)?

For example, when creating GTA V servers, you can connect Node js in which you can create any interface using HTML CSS JAVASCRIPT

I also wanted to know if this is possible, is it difficult to figure it out, I will be glad for any information

For example, the picture shows how the speedometer was changed


I also wanted to know If this is possible, is it difficult to figure it out, I will be glad for any information

Answer 1

python is supported, but xs who uses it - the development environment is quite simple: