Not sure it is worth the bugreport.
CudaText cannot load Python 3.9 dylib file if it is from 'universal' installer.
Python has 2 installers:
Python 3.9.6 - June 28, 2021
Download macOS 64-bit Intel installer
Download macOS 64-bit universal2 installer
Mac with Mojave 10.14.6, Intel x64.
CudaText is based on FPC 3.2.1.