Specifies which render front-end to use. This option used to have more scope in earlier versions of wezterm, but today it allows two possible values:
OpenGL- use GPU accelerated rasterization (this is the default)
Software- use CPU-based rasterization.
You may wish (or need!) to select
Software if there are issues with your
WezTerm will automatically select
Software if it detects that it is
being started in a Remote Desktop environment on Windows.