Hi,
Please see our responses below:
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It depends on the case:
- Settings configured via the GL.iNet UI will be retained (major updates may affect some settings, but upgrading from v4.8.3 to v4.8.4 should be fine).
- LuCI configurations are generally preserved, unless some third-party plugins do not use the standard UCI method to store their settings.
- Shell scripts may or may not be retained depending on where they are stored. For details, please refer to Part 3: Optional Items → Check the Backup List.
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Yes, since third-party plugins and custom scripts are not officially supported, there will be no related prompts in the GL.iNet UI.
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You can try upgrading the firmware while keeping the configuration. If everything works properly, you can then create a backup for future use.
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- For applications, you can refer to this thread to export a list before upgrading and reinstall them afterward:
HOW-TO: Script: List My OPKGs (to a file for backup) - #6 - For scripts, you can refer to Part 3: Optional Items → Customize the Backup List to add them to the backup list so they are preserved during firmware upgrades. Be sure to verify that they still work correctly after the upgrade.
- For applications, you can refer to this thread to export a list before upgrading and reinstall them afterward: