Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, erlef/setup-beam@61e01a43a562a89bfc54c7f9a378ff67b03e4a21, actions/cache@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

Application.get_env/3 is discouraged in the module body, use Application.compile_env/3 instead

this clause cannot match because of different types/sizes

variable "cfg" is unused (if the variable is not meant to be used, prefix it with an underscore)