You are on the good road of trying to fix warnings because they are potential sources of bugs in the code :) You can even use a compiler flag to report warnings as errors ("-Werror" for GCC) to enforce fixing warnings....
Hi!
I just released a 2D/3D graphics library EmberGL in GitHub and which should also be available via the Arduino IDE soon: https://github.com/EmberGL-org/EmberGL. It's a low-level graphics library featuring a tiled...