Bug Fix: Arrows were not shown in fade mode because of z-index.

dist/css/splide-core.min.css

@@ -1 +1 @@
-@keyframes splide-loading{0%{transform:rotate(0)}to{transform:rotate(1turn)}}.splide__container{position:relative;box-sizing:border-box}.splide__list{display:flex;margin:0!important;padding:0!important}.splide__pagination{display:inline-flex;align-items:center}.splide__pagination li{list-style-type:none;display:inline-block;line-height:1;margin:0}.splide{position:relative;visibility:hidden}.splide__slide{position:relative;box-sizing:border-box;list-style-type:none!important;margin:0}.splide__slide img{vertical-align:bottom}.splide__slider{position:relative}.splide__spinner{position:absolute;top:0;left:0;right:0;bottom:0;margin:auto;display:inline-block;width:20px;height:20px;border-radius:50%;border:2px solid #999;border-left-color:transparent;animation:splide-loading 1s linear infinite}.splide__track{overflow:hidden}.splide--draggable>.splide__track>.splide__list>.splide__slide{-webkit-user-select:none;user-select:none}.splide--fade>.splide__track>.splide__list{display:block}.splide--fade>.splide__track>.splide__list>.splide__slide{position:absolute;top:0;left:0;z-index:0;opacity:0}.splide--fade>.splide__track>.splide__list>.splide__slide.is-active{position:relative;z-index:1;opacity:1}.splide--rtl{direction:rtl}.splide--ttb>.splide__track>.splide__list{display:block}
+@keyframes splide-loading{0%{transform:rotate(0)}to{transform:rotate(1turn)}}.splide__container{position:relative;box-sizing:border-box}.splide__list{display:flex;margin:0!important;padding:0!important}.splide__pagination{display:inline-flex;align-items:center}.splide__pagination li{list-style-type:none;display:inline-block;line-height:1;margin:0}.splide{position:relative;visibility:hidden}.splide__slide{position:relative;box-sizing:border-box;list-style-type:none!important;margin:0}.splide__slide img{vertical-align:bottom}.splide__slider{position:relative}.splide__spinner{position:absolute;top:0;left:0;right:0;bottom:0;margin:auto;display:inline-block;width:20px;height:20px;border-radius:50%;border:2px solid #999;border-left-color:transparent;animation:splide-loading 1s linear infinite}.splide__track{position:relative;z-index:0;overflow:hidden}.splide--draggable>.splide__track>.splide__list>.splide__slide{-webkit-user-select:none;user-select:none}.splide--fade>.splide__track>.splide__list{display:block}.splide--fade>.splide__track>.splide__list>.splide__slide{position:absolute;top:0;left:0;z-index:0;opacity:0}.splide--fade>.splide__track>.splide__list>.splide__slide.is-active{position:relative;z-index:1;opacity:1}.splide--rtl{direction:rtl}.splide--ttb>.splide__track>.splide__list{display:block}

src/sass/core/object/objects/_track.scss

@@ -1,5 +1,7 @@
 .splide {
   &__track {
+    position: relative;
+    z-index: 0;
     overflow: hidden;
   }
 }