How to show user's name next to avatar in the navigation when logged in?

Hello, welcome back Auston!

Could you try this custom HTML/CSS, please?
This should work fine with all notifications badges with/out the new notifications menu enabled.

I suggest you create a theme component. In case you don’t know, everything is explained here: Beginner's guide to using Discourse Themes

Note: It’s disabled on mobile view.
Note: CSS is based on the default theme; you might need to adjust it. Feel free to ask.

I did not test extensively, but I hope this will work for you!

<script type="text/discourse-plugin" version="0.8.13">

api.decorateWidget('header-notifications:after', dec => {
    const { currentUser, site } = dec.widget;

    if (site.mobileView) {
    return dec.h('span.username', currentUser.displayName);

html:not(.mobile-view) #current-user {
    span.username {
        display: inline-block;
        vertical-align: middle;
        margin-left: 5px;
    .icon.btn-flat {
        width: auto;
    .user-status-background {
        left: 22px;
    .badge-notification {
        & {
            left: -3px;
            right: auto;
            top: 4px;
    .unread-notifications {
        left: 25px;
        right: auto;
    .ring {
        left: -3px;
        right: auto;