MediaWiki:Apihelp-echomarkread-param-all
If set, marks all of a user's notifications as read.
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!
If set, marks all of a user's notifications as read.