Available since 0.11.0.
Neovide also support configuration through a config file in the toml format.
Settings specified in the config file override settings from the environment variables, but are overridden by command line arguments.
Settings currently available in the config file with default values:
wsl = false multigrid = false vsync = true maximized = false srgb = false idle = true neovim_bin = "/usr/bin/nvim" frame = "Full"
See Command Line Reference for details on what those settings do.