<div>
  <gallery></gallery>
  <h3>Description</h3>
  <mat-card>
    <div *ngIf="app" [innerHTML]="app.description"></div>
  </mat-card>
  <h3 *ngIf="this.showCurrentReleaseInfo">Changes in version {{app.currentReleaseVersion}}</h3>
  <mat-card>
    <div *ngIf="this.showCurrentReleaseInfo" [innerHTML]="app.currentReleaseDescription"></div>
  </mat-card>
</div>

<div>
  <gallery></gallery>
  <h3>Description</h3>
  <mat-card>
    <div *ngIf="app" [innerHTML]="app.description"></div>
  </mat-card>
  <h3 *ngIf="this.showCurrentReleaseInfo">Changes in version {{app.currentReleaseVersion}}</h3>
  <mat-card *ngIf="this.showCurrentReleaseInfo">
    <div *ngIf="this.showCurrentReleaseInfo" [innerHTML]="app.currentReleaseDescription"></div>
  </mat-card>
</div>

Hide card if no release info is provided
Hide card if no release info is provided
