Bug when moving from Electron 9.3.2 to 11.0.3

Hello,
My app works fine with Electron’s version 9.3.2, but with 11.0.3:
There are slowdowns in the game on Windows 10 32-bit (2Go RAM).
The splash screen gif is not visible on every Windows versions.
My GitHub repository :
https://github.com/Lob2018/Choux-Win
I don’t understand why