src/app/updater/updater.component.html

<div style="display: block">
    <div style="display: inline-block">
        <ng-container i18n="Select a version">Select a version:</ng-container>
    </div>
    <div *ngIf="availableVersions" style="display: inline-block; margin-left: 15px;">
        <mat-form-field>
            <mat-select [(ngModel)]="selectedVersion">
                <mat-option *ngFor="let version of availableVersionsFiltered" [value]="version['tag_name']">
                    {{version['tag_name'] + (version === latestStableRelease ? ' - Latest Stable' : '') + (version['tag_name'] === CURRENT_VERSION ? ' - Current Version' : '')}}
                </mat-option>
            </mat-select>
        </mat-form-field>
    </div>
    <div *ngIf="selectedVersion && selectedVersion !== CURRENT_VERSION" style="display: inline-block; margin-left: 15px;">
        <button (click)="updateServer()" color="accent" mat-raised-button><mat-icon>update</mat-icon>&nbsp;&nbsp;
            <ng-container *ngIf="selectedVersion > CURRENT_VERSION">Upgrade to</ng-container><ng-container *ngIf="selectedVersion < CURRENT_VERSION">Downgrade to</ng-container>&nbsp;{{selectedVersion}}</button>
    </div>
</div>