The console can __not__ be used with gfx.start() on a screen. You don't have to gfx.render() while print()ing, but you should do it when you are in the main loop.
The SSL sockets don't work with Citra.
As the color order of the sf2dlib changed, you have to change it in your code, or use the color.hex() function.
To fix the problems, just change "0xRRGGBBAA" to "0xAABBGGRR".
Also, the shader compiler changed to Picasso, so you'll need it in order to compile.
https://github.com/fincs/picasso