first commit

wp-includes/blocks/accordion-item/style-rtl.css

@@ -0,0 +1,11 @@
+.wp-block-accordion-item.is-open>.wp-block-accordion-heading .wp-block-accordion-heading__toggle-icon{
+  transform:rotate(-45deg);
+}
+@media (prefers-reduced-motion:no-preference){
+  .wp-block-accordion-item{
+    transition:grid-template-rows .3s ease-out;
+  }
+  .wp-block-accordion-item>.wp-block-accordion-heading .wp-block-accordion-heading__toggle-icon{
+    transition:transform .2s ease-in-out;
+  }
+}