Add `backface-visibility`.

src/css/core/object/objects/list.scss

@@ -2,11 +2,11 @@
   $root: &;
 
   &__list {
+    backface-visibility: hidden;
     display: flex;
     height: 100%;
     margin: 0 !important;
     padding: 0 !important;
-    backface-visibility: hidden;
     transform-style: preserve-3d;
   }
 

src/css/core/object/objects/slide.scss

@@ -1,5 +1,6 @@
 .splide {
   &__slide {
+    backface-visibility: hidden;
     box-sizing: border-box;
     flex-shrink: 0;
     list-style-type: none !important;
@@ -7,6 +8,7 @@
     outline: none;
     overflow: hidden;
     position: relative;
+    transform: translateZ( 0 );
 
     img {
       vertical-align: bottom;