Release 2.5.2

src/player/public/css/player.css

@@ -214,6 +214,8 @@ body.thumbnail-preview .player-offline-banner {
   height: 100%;
   opacity: 0;
   transition: opacity 560ms ease;
+  will-change: opacity;
+  backface-visibility: hidden;
 }
 
 .slide-shell.is-visible {
@@ -243,7 +245,8 @@ body.screen-blackout #app {
   height: var(--player-canvas-height, 100vh);
   max-width: 100vw;
   max-height: 100vh;
-  transform: translate(-50%, -50%);
+  transform: translate3d(-50%, -50%, 0);
+  backface-visibility: hidden;
   z-index: 9999;
   pointer-events: none;
   display: flex;