MediaWiki:Apihelp-options-extended-description
Only options which are registered in core or in one of installed extensions, or options with keys prefixed with userjs- (intended to be used by user scripts), can be set.
Even for a low-activity wiki, hosting & rendering many HQ image files takes significant resources and comes with high monthly server costs.
If you're able, please consider contributing to keep the site running to help support this independent, ad-free, fan-run site. Thank you!
Only options which are registered in core or in one of installed extensions, or options with keys prefixed with userjs- (intended to be used by user scripts), can be set.