There is a typo (well 2 actually) in the template file GPIOShutdown_settings.jinja2 which disable the use of GPIO 4
<option value="4>GPIO 4</option>
Should be
<option value="4">GPIO 4</option>
(the current version is missing a quote in both GPIO 4 options)
There is a typo (well 2 actually) in the template file GPIOShutdown_settings.jinja2 which disable the use of GPIO 4
<option value="4>GPIO 4</option>
Should be<option value="4">GPIO 4</option>
(the current version is missing a quote in both GPIO 4 options)