Environment:
motionEye Version | 0.39.3
Motion Version | 4.1.1
OS Version | Linux 4.14.81-v8
Raspberry Pi 3 B+
(Hass.io) Home Assistant 0.84.6
Recreate:
Changing settings:
Expected behaviour:
Observed behaviour:

I think thats on purpose i don't know the reason behind it but just make a new camera entry.
That is indeed on purpose. Editing them in the UI would have required a more complex code on the server side. Given that they are not details that one would edit on a daily basis, users can remove and re-add their camera in case those settings change.
Workaround: backup settings, modify config files and restore.
Workaround: backup settings, modify config files and restore.
Hi, where did you find the config files on the Home Assistant vm? Thank you.
Theoretically, you should be able to use backup/restore for the WebGUI (http:[ip_address]:8765 under Settings, General Settings, Di a Backup, save somewhere, edit the file using a Linux compatible text editor (NotePad++ in Windows is good) and then re-upload using Restore
If you need further suggestions, you could enable a volume share when starting the docker in HA, share /etc in the docker image to a local to the host folder. Step by step is beyond the scope of my support here. You could try asking over in HA.