With the major controversy of Unity throwing game devs under the bus, a lot of people have been looking into moving to Godot. I'm writing this post from the ...
I made a blog post about my experience switching from Unity to Godot earlier this year, and some tips for Unity devs.
You can do most stuff with C# just fine, unless you run into one of the C# specific bugs and lack of beginner friendly tutorials.
That said what made me make the jump to GDscript was just how seamless it is to use compared to C#.