talk/plugins/talk-plugin-member-since/README.md

title, permalink, layout, plugin

title	permalink	layout	plugin
talk-plugin-member-since	/plugin/talk-plugin-member-since/	plugin	name default depends provides talk-plugin-member-since true name talk-plugin-author-menu Client

It will show the date that the member/user joined when you hover over the username as retrieved from the createdAt time on the user.