Auto-complete of member names when tagged with @ seems to be gone

FYI error console:



Failed to load resource: net::ERR<em>BLOCKED</em>BY<em>CLIENT
2115326-auto-complete-of-member-names-when-tagged-with-seems-to-be-gone-p1.html:221 Uncaught ReferenceError: AddktHeader is not defined
    at 2115326-auto-complete-of-member-names-when-tagged-with-seems-to-be-gone-p1.html:221
2115326-auto-complete-of-member-names-when-tagged-with-seems-to-be-gone-p1.html:241 Uncaught ReferenceError: AddktHeader is not defined
    at 2115326-auto-complete-of-member-names-when-tagged-with-seems-to-be-gone-p1.html:241
2about:blank:1 Failed to load resource: net::ERR</em>UNKNOWN<em>URL</em>SCHEME
2115326-auto-complete-of-member-names-when-tagged-with-seems-to-be-gone-p1.html:687 Uncaught ReferenceError: AddktHeader is not defined
    at 2115326-auto-complete-of-member-names-when-tagged-with-seems-to-be-gone-p1.html:687
2115326-auto-complete-of-member-names-when-tagged-with-seems-to-be-gone-p1.html:691 Uncaught ReferenceError: AddktHeader is not defined
    at 2115326-auto-complete-of-member-names-when-tagged-with-seems-to-be-gone-p1.html:691
dashboard.min.js:10 Uncaught TypeError: Object(...) is not a function
    at Module.<anonymous> (dashboard.min.js:10)
    at u (runtime.min.js:1)
    at Object.<anonymous> (dashboard.min.js:15)
    at u (runtime.min.js:1)
    at r (runtime.min.js:1)
    at Array.t <a href="runtime.min.js:1">as push</a>
    at dashboard.min.js:1
about:blank:1 Failed to load resource: net::ERR<em>UNKNOWN</em>URL_SCHEME